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Special

PRODUCTS AND ADVICE YOU NEED FOR COMPLIANCE APPROVAL NZ Dairy Exporter | Effluent Management Solutions | November 2020

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RAVNOV2020-DX-EMS

Effluent treatment. The solution is clear.

A fully automated system for treating farm dairy effluent (FDE). Award-winning ClearTech produces clarified water for yard wash-down and reduces environmental risks from land application of effluent. Able to be retrofitted between your dairy shed and effluent pond, ClearTech is the future of FDE systems.

Smarter farming for a better New ZealandÂŽ

To find out more call the Customer Centre or visit ravensdown.co.nz/cleartech

0800 100 123 ravensdown.co.nz


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

TAKE THE FIRST STEP TO COMPLIANCE Welcome to our NZ Dairy Exporter special publication, Effluent Management Solutions. This publication replaces our usual Official Guide to the annual Effluent & Environment Expo which fell victim to the Covid-19 uncertainty and was cancelled for 2020. Our aim with this publication is to focus on solutions for today’s effluent management challenges. We’ve sourced editorial and advertising from a range of national and regional companies who service the dairy farm sector with effluent management products and services. Included in this publication is advice from DairyNZ and independent advisors on effluent system design and compliance. The first step to create or maintain a compliant effluent system on your dairy farm could be as simple as calling one of the advertisers who have supported this publication. They are all committed to providing value to the dairy farm sector. Achieving compliance is not avoidable. It is a requirement to continue supplying milk to your chosen milk company. The rewards are tangible, but so is the financial and emotional pain for those who continue

to remain non-compliant. Look out for advice early next year on the 2021 Effluent & Environment Expo dates. The Expo’s organisers Amanda and Matt Hodgson are committed to it returning in November 2021. They were disappointed not to be able to go ahead this year, knowing the need was there from dairy farmers looking for advice and information on effluent management. However, they also know that need won’t disappear in the next year and they are determined to make 2021 a great one-stop shop for everything farmers need to manage dairy farm effluent safely, efficiently and within compliance requirements. Like many of you who are second or third generation farm owners with links to the land dating back 100 years, NZ Dairy Exporter is approaching its 100th year of publishing. The first issue was printed in 1925 and we’d love you to join us soon on the journey to another 100 years. If you’re already a subscriber to NZ Dairy Exporter, we thank you. If you’re not a subscriber, then visit nzfarmlife. co.nz to find out how you can enjoy the country’s most trusted dairy publication. Tony Leggett, Publisher

AgFirst Engineering Aquafit Archway Group DairyNZ Dung Beetle Innovations Effluent & Irrigation Design Enviroline NZ Flexi Tanks NZ Forsi Innovations Forward Farming Hill Laboratories IS Dam Lining Kliptank Laser Electrical Putaruru Lely NZ Ltd Matamata Ag Centre Numedic PPP Industries Paeroa Precast Concrete Precise Dairy Effluent Prime Pumps Ravensdown Ltd Reid & Harrison Ltd TechniPharm Tow & Farm Ultimate Solutions Vantage NZ Viking Containment Williams Engineering WSP

9 32 22 8, 25 14 30 10 20 10 16 18 11 24 19 17 11 23 26 16 28 12 4 21 2/3 7 13 19 27 15 31

Front cover: Bay of Plenty farmer Fraser McGougan makes full use of dairy cow effluent to grow pasture. Find out how this family business manages effluent to reduce fertiliser application in the August 2020 issue of NZ Dairy Exporter. Visit nzfarmlife.co.nz to become a subscriber and receive access to all our content.

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

TALK FIRST BEFORE TACKLING EFFLUENT CHALLENGES CHOOSING A NEW OR UPGRADED effluent system often involves a considerable capital spend, so being involved in the decisions about what will work best for you and your farm is crucial. This is particularly important if you’ve got someone doing your effluent storage calculation for you. There is not a specific volume of storage your farm needs as it will vary depending on your farm’s location, soils, size, infrastructure and your management. Take ownership of the decisions being made to ensure the final outcome is a good fit for you and your farm. It’s not all about getting the smallest storage volume, it’s about the ‘right’ storage volume that best fits your farm. Regional Councils require storage volumes to be calculated using the Dairy Effluent Storage Calculator (DESC). The DESC has a library of more than 30 years of daily climate data (rainfall and evapotranspiration) for most dairying areas throughout the country, and uses this information to model a soil water balance. The DESC calculates how much effluent is generated each day, and using the historical climate data determines how often soil moisture conditions were suitable for effluent irrigation. If irrigation could take place, it calculates how much effluent would be removed from storage. If effluent irrigation couldn’t take place it calculates how much effluent will be sent to storage. From these calculations it can

determine how much storage you will need. There are many inputs to the DESC that will determine how much storage your farm needs. These include soil risk, water use in the shed, effluent application depths, pump rates, milking season length, herd size, climate, catchment areas, and storm water diversions to name a few. Some of these will be “fixed” on your farm, such as climate, catchment areas, herd size and season length. Others can be variable and up for consideration as a mitigation in reducing storage requirements. You must get involved with whoever is running the DESC for you. Ask them for a variety of scenarios showing the impact of options on storage and your farm’s management. Where do you want to spend your money; on mitigations or extra storage? Get them to run a number of scenarios that help you decide which options you want to pursue - make them earn their money! You can cost all the different options to get an idea of what you want to pay for. These are some useful questions to ask yourself as you work through the DESC: • Do I have any low risk soil on my farm that is not currently in my effluent block? • What would a low depth irrigation system look like on my farm? How easy or hard would it be to manage? • What would a storm water diversion cost to install? What reduction in storage

Independent effluent management advisor Logan Bowler.

volume would it give me? • How much water does my dairy shed currently use? • Did they measure/calculate my water use or just use an “industry average”? Using industry average will not result in an accurate calculation for your farm • What would water reduction look like on my farm? • Green water recycling can have huge savings- did my consultant consider this option? • How much storage would I need if I chose not to irrigate over calving? When you do the cost benefit of all the options - don’t forget to include the time it would take to manage your system as it’s pointless to choose options that give you the smallest possible storage requirement, but are a nightmare to manage. Choose a system that fits you and your farm- both from a labour/time point of view and cost. • Logan Bowler is an independent advisor on dairy effluent systems. Call 021 225 9415

TECHNOLOGY AIDS REPORTING IN 2020 VANTAGE NZ PICKED UP A range of proven tools and technologies to help ensure that effluent is managed as accurately and efficiently as possible. To ensure that effluent is being applied effectively on-farm, soil moisture and environmental monitoring are vital. Incorporating soil moisture monitoring into your effluent management ensures farmers are keeping an accurate record of how they are affecting soil moisture levels, giving them the insight to adjust application rates based on soil moisture levels as required. 6

Another easy addition to an effluentbased soil moisture monitoring solution is a weather station to record rainfall and help automate record-keeping of rainfalls compared to when effluent was being applied on-farm. Utilising an integrated solution through Vantage NZ, with the ability to also work off existing Halo Milk Vat Monitoring systems, provides the best value for money while ensuring that farm information is centrally stored for ease of reporting when it comes to compliance. While monitoring environmental

factors to manage effluent is very important, so is proof-of-placement. Vantage NZ brings to the NZ market the industry-leading suite of Trimble Agriculture precision hardware. For farms that apply effluent through slurry spreaders, the Trimble GFX350 with Precision IQ and Trimble Ag Software allows proof-of-placement maps to be easily captured, the slurry applicator controlled, and the map automatically sent through to the Trimble Ag Software for easy recordkeeping.

NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

CLEVER TEAM ON HAND NATIONWIDE AGFIRST ENGINEERING SPECIALISES in design and construction of dairy effluent systems. The company is renowned for its highlevel design knowledge, experience in the industry and capability to deliver the highest quality solutions. AgFirst Engineering has system designers, engineering work shops and installation/service crews located in Te Awamutu, Te Puke, Gisborne and Hastings. AgFirst Engineering staff work predominantly in the greater Waikato, Taranaki, Bay of Plenty, Gisborne, Hawkes Bay and Manawatu regions. It is also involved in projects nationwide by client demand. Davieth Verheij leads the Waikato Engineering team and is head of Dairy Effluent solutions nationally for AgFirst. Davieth is supported by two of the AgFirst Engineering workshops located on Bond

Road, Te Awamutu and King Street, Te Puke. From Te Awamutu, effluent irrigation equipment is manufactured in house along with importation of key products such as irrigators, pumps, stirrers, The Weta’s low application at low speeds is a major advantage hoses, and fittings. over other travelling irrigators. A key product developed by Davieth and the AgFirst team is the Weta low-rate travelling rainThe Weta has speed control via a speed gun irrigator. The Weta can achieve low selection dial (in meters per hour) and application depths at low speeds which turbine by-pass valve. provides major operational advantages. Given the efficiency of the hydraulic The Weta irrigator is self-propelled via a winch system, most of the flow can be highly efficient turbine-driven hydraulic directed to the rain gun itself thus reducing winch system. The turbine drives a flow and pressure loss through the turbine hydraulic pump and winch motor. This and providing more flow and pressure to drive system requires a lot less energy than the gun itself. This in turn increases wetted a conventional gearbox solution often width of the irrigator, reduces application found on low rate irrigators. rate/depth and required travel speed.

how fit is your effluent system? Find out with a dairy effluent ‘Warrant of Fitness’ assessment. This assessment is performed by certified, experienced and independent professionals. It gives you peace of mind that your system is fit for purpose and capable of being compliant 365 days a year. A WOF assessment gives you a reliable tool to guide your decision making.

Who’s it for? • Farmers who have upgraded their system themselves or planning to upgrade. • Anyone buying or selling a farm. • Sharemilkers moving onto a new property.

Ensure your effluent system is in shape. Find a certified assessor at effluentwof.co.nz and book your assessment today.

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NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

NO STOPPING THIS DAM LINING TEAM LOCKDOWN FOLLOWING THE Covid-19 outbreak in New Zealand could not have come at a worse time for IS Dam Lining Ltd, with 30 farm dairy effluent ponds to be lined with HDPE plastic and welded. Dam lining crews stood down as Lockdown Level 4 came into force, and the company regrouped to consider their best next move. Staff with health concerns would clearly be unable to work. Technical sales manager Brook Newson says the company had to adapt quickly to the new operating environment; after a stand down period of a few weeks, IS Dam Lining became an accredited company under the Ministry of Primary Industries Essential Services protocols. “We had the right infrastructure and communication in place to ensure that we could operate under the new and very changed circumstances,” he says.

Dam lining technicians formed ‘work bubbles’, followed stringent accommodation and on-site Covid rules as they sought to ensure ponds met their consent requirements. Communication key during lockdown – from left IS Dam Electronic tracking of vehicles Lining managing director Adrian Mannering, commercial manager Sarah Johnson, technical sales Brook Newson meant team movements could and operations manager Andrew Taylor. be easily be recorded; and Commercial Manager Sarah Johnson put in a Herculean effort to complete outstanding jobs to catch up ensure materials were delivered to site with pandemic related delays. prior to the crew’s arrival. Trucking and “It all came down to communication, crew movement protocols became part of first with MPI at the time of the audit, to the daily routine. the client, earthworks, accommodation Two landfills were completed after providers and freight companies, he says. Easter, then the teams began in earnest to “Being a small agile team, we were able catch up for lost time, and by late June, 50 to ensure solid workflow to complete a ponds had been completed in the North range of jobs from herd homes, to frost and South Island. protection ponds, water retention ponds Operations manager Andrew Taylor says for wind farms and of course farm dairy the crews sacrificed time with family to effluent ponds,” he says.

Low rate effluent irriga�on made easy. Even nutrient applica�on with automated irrigator speed control and hydraulic winch system. Even spread from 50m – 100m ACCURATE | DURABLE | USER FRIENDLY | EFFICIENT

NZ Dairy Exporter | Effluent Management Solutions | November 2020

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E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

ADVICE ON TAP VIA DAIRYNZ WEBSITE EFFECTIVELY MANAGING EFFLUENT available to all dairy farmers, including A is hugely important – to farmers and the Farmer’s Guide to Building a New Effluent environment. Optimising effluent use Storage Pond. Trusted advice can also is one of the ways farmers can reduce be accessed through Accredited Effluent greenhouse gas emissions while also System Designers and Warrant of Fitness contributing to better water assessors, both of which are quality. DairyNZ supported programs. Most dairy farmers are doing Meanwhile, more dairy the right thing with how farmers are adopting innovative they manage effluent on their solutions and technology onproperties and have invested farm to improve their effluent considerably in reliable and management, Caleb says. Here sustainable systems, DairyNZ are some of the options farmers environmental change specialist are reporting favourably on: Caleb Higham says. Irrigation monitors – Caleb Higham. “Well-designed and minimise or prevent discharges constructed effluent storage provide a lot from stalled irrigators and broken pipes, of benefits – better flexibility for irrigation, make managing systems more efficient, better environmental management, peace prevent environmental mishaps and of mind and reduced risk of effluent nonsave farmers stress and time. Most can be compliance.� operated from a smartphone. Advice on effluent management systems Travelling rain guns – use ‘water wheel’ is available from dairy companies and type turbines to irrigate with greater speed regional councils. DairyNZ resources are control, creating greater wetted diameters,

meeting slower soil infiltration needs and the ability to target only part or half circles. Hydrofan washdown nozzles – reduce water use by about half in dairy sheds. DairyNZ’s effluent spreading calculator app – helps contract effluent spreaders and farmers to know how much land they needed to spread over to match desired nutrient levels. DairyNZ’s Envirowalk app – is used by farmers as they walk around the farm to help identify risk areas and possible solutions. Plans can be saved and updated. A ‘green water’ approach – using recycled effluent to ‘green wash’ dairy shed yards is also making effluent management easier for a growing number of dairy farmers. Water use in and around the farm is reduced by up to 65 per cent and effluent storage requirements by around 50 per cent. Visit www.dairynz.co.nz/effluent for more advice.

WATER  Nationwide Quality Dairy Effluent Liners & Installation COMMERCIAL & EFFLUENT LINING SPECIALISTS

0800 1 LINER (0800 154 637) Email info@environlinenz.co.nz 10 

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Forsi Innovations Ltd | 14 Waihou Street | Matamata | Ph 07 880 9479 | Fax 07 880 9486 | www.forsi.co.nz NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

SMALL COMPANY TAKES MAJOR LEAPS IN WATER FILTRATION FORSI INNOVATIONS IS A SMALL family owned and operated company that has been at the forefront of groundbreaking water filtration technology for more than 16 years. In that time the company has made impressive moves to help farmers and industrial companies deal with water-related issues. The team at the Matamata-based company has spent many years testing and refining their water filtration systems to help farmers and industrial companies with water quality issues. Its flagship system for iron and manganese removal has sold right throughout the country from Mangawhai to Invercargill and has succeeded where other filters have failed. National and international interest was

sparked in 2015 with the release of Forsi’s effluent filtration system. The system separates the solids from effluent and filters the water until it is completely clean with no pathogens, viruses or smells. A big advantage to the Forsi effluent filter system A Forsi Innovations water filtration system set up to tackle dairy is it eliminates the need effluent. for large ponds, meaning farmland is not wasted for fine particulates before heavy duty water storage. polishing is completed to give high water The screening and solids separation quality as a result. process has been developed to work This system is ideal for dairy effluent effectively, with minor maintenance. and it also works perfectly in any industry The in-house design of a specialty wanting to clean up a dirty waste stream separation system is the key in removing for compliance.

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The KTwo range of twin vertical beater rear discharge muck spreaders offers a wide range of models to suit most farmers and contractors looking for a versatile manure spreader, capable of spreading a range of products with good accuracy and outputs. If you would like to know more about any of our machines please don’t hesitate to get in touch

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It has its own kind of big payout. E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

German designed and manufactured Wangen agricultural pumps, from Prime Pump, have been around the dairy industry since 1969. And improving all the time. Their durability and long service life is absolutely legendary. One customer in Austria went 35 years without having to dismantle his pump or replace any parts. Highly-engineered, the progressive cavity pumps are also helping New Zealand farmers maximise efficient effluent pumping and minimise environmental impact. Slow-running, the pumps achieve or exceed the performance of others while dramatically reducing

Call now 0800 482 747 12 

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the cost of ownership and significantly lessening disruptions caused by the need for maintenance or even replacement. The Prime Pump team say once an owner tries a Wangen Pump they’ll never look back, one reporting “catastrophic” failing with some other pumps, but none with Wangen. Ask your local effluent management specialist about Wangen today!

As they say in Germany, “ Anfangen ist leicht, Beharren eine Kunst.”* *“Starting is easy, persistence is an art.”

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NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


HYGIENE-CLAD E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

The durable and chemical resistant panelling Our white high gloss PVC tongue-and-groove interlocking panels feature a unique inner web which gives Hygiene-Clad outstanding strength and durability. Quick and easy to install & remove New builds or retrofit Reusable panels

Agricultural Industrial Commercial Residential Ravensdown’s product manager for ClearTech Carl Ahlfeld says monthly water savings at the Lincoln University Dairy Farm equate to the average daily use of 3000 people.

CLEARTECH CONTINUES TO PROVE ITS WORTH NOW IN ITS SECOND SEASON, THE ClearTech effluent treatment system installed at Lincoln University Dairy Farm (LUDF) continues to prove its worth. It has saved more than 600,000L of freshwater in a single month just by using the clarified water from the system for yard washdowns. That 600,000L equates to the average daily water use of 3000 people. If adapted across the New Zealand dairy industry, ClearTech effluent treatment systems have the potential to save millions of litres of freshwater. Ravensdown’s product manager for ClearTech, Carl Ahlfeld, says the water saving was an impressive achievement. Other efficiencies have been observed too. “The volume of coagulant required has been less this spring, specifically because the cow hair and older effluent has been kept out of the fresh effluent, an initiative that LUDF implemented this year. This has kept costs down.” ClearTech efficiencies are being duplicated daily with eight other units now operating on dairy farms in Canterbury and the Waikato, and more recently in the transport industry. “We are now cleaning livestock transport trucks with recycled effluent wash from ClearTech, saving millions of litres of fresh water in the process as well as dramatically reducing the

disposal of effluent,” says Carl. “This is both environmentally beneficial and a major cost saving for the industry.” A scientific paper published recently outlined considerable environmental benefits when clarified water from the ClearTech system was applied directly to pasture soil. Compared to untreated farm dairy effluent (FDE), E. coli concentrations leached from the ClearTech-treated effluent and clarified water were reduced by up to 99.99%. Total-P losses from the lysimeters measured 90.5% and 85.7% lower than untreated FDE lysimeters and the dissolved reactive phosphate (DRP) reductions from clarified water and treated effluent were 99.9% and 99.5% respectively. Reductions in phosphate leaching loss can lessen the impact of agriculture on water quality and help when preparing a farm environment plan. The continued innovation and development of ClearTech is the result of a partnership between Lincoln University and Ravensdown, built on robust science with a clear drive to provide smarter farming solutions to reduce environmental impacts in New Zealand. Future innovation for ClearTech is ongoing with the plant undergoing regional testing at the Waikato LIC innovation farm.

NZ Dairy Exporter | Effluent Management Solutions | November 2020

Strength & Durability The uniquely durable and abuse-resistant structures of Hygiene-Clad panels make them ideal for both walls and ceilings of agricultural and animal containment facilities. ind An industry-leading 1/2 inch thick panel with unique inner webs withstands frequent bumps and abuse from large animals, giving Hygiene-Clad panels an outstanding strength not found in thinner panels.

Low Maintenance & Easy To Clean Easily power wash with soap and water or bleach for easy sanitation and a bright, clean appearance that never needs painting or refinishing. Hygiene-Clad panels are chemical resistant. They repel and drain water, keeping moisture out of the panels and ensuring a long life.

Unparalleled Disease Protection

Hygiene-Clad panels won’t support mould growth like plywood or other commonly used materials. Chemical resistant and impervious to dirt, moisture, and animal waste, it has the NZBC Verification Method C/VM Appendix A - Group number Classification 3

Adjustable Sizes & Easy Installations

Hygiene-Clad panels are easy to install, remove and resize. Panels are 9mm thick with unique tongue-and-groove interlocking system, 45cm wide and come in standard 3.6, 4.6 and 5.8 metre lengths. We can also customise lengths.

Talk to us today 0800 160 101 info@modularwallsystems.co.nz www.modularwallsystems.co.nz 13


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

MODULAR WALL SOLUTIONS TAILORED TO SUIT AFTER JUST COMPLETING A retro fit of Hygiene-Clad panels into a Northland dairy shed, Modular Wall Systems (MWS) says feedback from the farm owners highlight the company has the right products in its lineup. MWS has been advising, supplying, and installing site segregation and temporary hoarding or partitioning solutions for many years. Based throughout NZ, MWS offers a range of PVC panels to meet all farming requirements. Using a modular tongue-and-groove interlocking system, it is quick and easy to install, saving up to 70% in installation time, compared with other wall systems. It can be removed or resized to meet site specific needs. Panels are BRANZ approved for production in the food industry,

including dairy products and deer velvet. Not only are they extremely durable, they are also fire safety rated, and chemical resistant with a clean finish that does not support mould growth, creating a safe environment Hygiene-Clad panels fitted to a Northland dairy shed by MWS. which is hygienic and safe for stock and workers. safely; building a separate office/storage/ Panels are easy to clean resulting in huge processing area within an existing cost savings to the annual maintenance structure or standalone or creating animal budget as there is no need to repaint, pens which can be moved and resized as plaster or gib, before inspections. necessary. Uses for Hygiene-Clad, Hoardfast, or The company has branches in Auckland, Fastwall panels include lining walls and Tauranga, Wellington, and Christchurch ceilings for a hygienic safe finish; creating and can offer supply and install or supply a lockable space to store agrichemicals only, nationwide.

Thinking outside the [tree and fence lined] box Dung beetles will deliver upon the promise to restore and protect our freshwater while increasing production and drought tolerance. We need to be smarter than just focusing on planting and fencing. Without question that is where dung beetles fit in. There is absolutely no better scientifically proven way of reducing overland flow than dung beetles. They deliver an up to 80% reduction in overland flow. This results in a 97% reduction in sediment, and equally includes reduced e. coli and phosphorus. Seed dung beetles to fix the broken nutrient cycle and boost production.

“I would seriously recommend investing in dung beetles. It’s a short term cost with a long term benefit.” – Kurt Portas Award-winner farmer at Palliser Ridge Farm

Contact us Dung Beetle Innovations

Shaun 021 040 8685 | shaun@dungbeetles.co.nz For more information or to order online go to www.dungbeetles.co.nz

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DUNG BEETLES NOW ON 350 FARMS NEW ZEALAND FARMING IS transforming and those at the leading innovative edge are looking back at our past. In fact, 100 million years ago! Dung beetles evolved with our large exotic herbivorous and should have been on the boat with them. While a bit slow off the mark we can now rebalance our farming systems. There are around 350 farmers who have released over 1000 dung beetle colonies the full length of the country. The two people driving the rebalancing of New Zealand’s farming system are Andrew Barber and Dr Shaun Forgie. Andrew Barber project managed the Dung Beetle Release Strategy Group, an MPI farmer led project to import dung beetles into New Zealand, while internationally recognised entomologist Dr Shaun Forgie was the lead scientist for the project.

Inspired by their desire to see the dung beetle improve New Zealand’s soils and waterways, the two men established Dung Beetle Innovations as a commercial enterprise. Now they want to see as many farmers as possible enjoy the benefits provided Thousands of dung beetles are already at work in NZ soils, by dung beetles. tirelessly working to improve soil and plant health. There are 11 species allowed in New Zealand “It takes two or three years to get with seven presently being mass reared established. Then by about year five there at the world’s largest dung beetle breeding is a noticeable population. Around year facility in Auckland. Shaun matches the nine they are at the farms carrying capacity species to the type of farm they will be and start fanning out.” released on, and gives advice on where For a one-off cost of $6000 for the to release them, which is extremely easy average sized farm dung beetles will bring to do. multiple benefits to a farm and pay for Raising dung beetles is like planting themselves in greater farm productivity trees, says Andrew. and improved water quality, Andrew says.

Farm Effluent Equipment Full System Design Installation Service New Zealand Wide Dealer Network

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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NZ DEALER NETWORK FROM WAIKATO BASE WILLIAMS ENGINEERING HAS BEEN effluent focused for the past 40 years, manufacturing products that have taken the brand throughout New Zealand and all over the world. The Spider range of travelling irrigators have been an undisputed leading machine on thousands of farms, known for its reliability, simplicity, and ongoing service to the dairy industry. Williams Engineering has a travelling irrigator to suit every farm, including the GB Magnum with a static raingun that delivers a wetted area that is more than twice as wide as a standard travelling irrigator. Its largest irrigator, the Greenback Spider, provides an even spread pattern with its wide boom design. The Spider Deluxe is a smaller version, suitable for average sized farms, followed by a Deluxe Junior, with

shorter arms, designed for smaller units. With a proven range of products from irrigators to hydrants and filters, Williams has become a complete onestop-shop for all farm effluent needs. Being Farm Dairy Effluent Design accredited, its team of in-house designers work directly with farm owners to get an effluent plan in place. The whole installation is managed by the company, Williams Engineering offers a total solution for dairy working with the farmer’s preferred farm effluent management. contractors, including electrical and earthworks. Williams Engineering’s team works Williams Engineering has a New closely alongside a pond lining crew and Zealand-wide dealer network, with a 24/7 manufactures its own precast panels for Waikato-wide service team for all effluent bunkers, weeping walls, and stone traps. breakdowns. Williams Engineering has the It also has diggers and trenchers to install proven experience and expertise to solve mainline systems and hydrants. any effluent problem either big or small.

NZ DISTRIBUTOR

Pond crust is caused by pathogenic bacteria in the effluent that separate the effluent fibres and send them to the surface. How do you counter these bad bugs? With good bugs. That’s what Slurry Bugs are – helpful bacteria that eat the pond crust. Literally. Not only do Slurry Bugs remove the crust, they transform the effluent nutrients into organic forms that are easily used by plants. In other words, they liquefy your pond and turn it into an effective, spreadable fertiliser.

Using Chlorine will kill these good bugs! We have the solution! DX50 is an eco-friendly chlorine-free sanitiser that kills pathogens 2.46x better than chlorine but leaves the good Slurry Bugs alone. A chlorine-free Alkali and Acid complete the cleaning system. Our environmental initiative to reduce Total water pollution is by implementing an Replacement 8-step method leading farmers from a Therapy chemical fertiliser system using synthetic nitrogen applications, to a quick and profitable clover-based biological system that enhances feed quality, animal health and effluent.

NEED TO KNOW MORE? Go to www.forwardfarming.co.nz and www.totalreplacementtherapy.com to read more or call David Law on 027 490 9896.

Let us capture your asset Let us capture your asset We manufacture: • Stone Traps • Effluent Tanks • Troughs • Solids Bins • Bunkers We supply: We manufacture: • Masonry • Paving • Landscaping Products • Stone•Traps • Effluent Tanks • Troughs Outdoor Fireplaces • Solids Bins • Bunkers We supply: • Masonry • Paving • Landscaping Products • Outdoor Fireplaces

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"When we are going to the shed to look at our cows that's all we are doing, we focus completely on them." Rebecca and Hayley Turner (Kaukapakapa, New Zealand)

Lely Automatic Milking System The Automatic Milking System allows cows to find their own milking rhythms. Cows in this system are more productive, healthier amd less stressed as they decide themseleves when to eat, drink, relax and be milked. This is because the system fits with their needs and frees up farmers' time to give attention to cows

To learn more about our product and services, please visit: www.lely.com/nz or contact Mark Saunders on +64 (0) 21 921 952

Register for our webinar series at: www.lely.com/nz/webinar/

NZ Dairy Exporter | Effluent Management Solutions | November 2020

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A BALANCED SYSTEM IS KEY TO EFFICIENCY EXPERIENCED BIOLOGICAL consultant David Law says he can tell a lot about a dairy farm from the depth of crust on top of the effluent pond. “It is now clear to me that every part of the farming system plays an important role for the whole farming enterprise to function correctly, economically and sustainably – yet few farmers and qualified experts have connected all the dots,” he says. He has developed a concept he calls the BioCircle, which shows the important interaction of all activities on the farm. This includes showing not only the success which can be achieved, but also the damage which can occur if any particular area of the BioCircle is not performing to its best. He says a dairy farm effluent pond, which is generally used as a dumping

ground, will show the biggest visual picture of what the whole BioCircle is doing. Consultant David Law says crust depth on a pond says a lot Many people think the about the balance of the entire dairy farm. problems associated with effluent start in the effluent pond, which leads to farmers investing and legumes, will also feed the microbes supporting a whole industry of machines which then move through the system to process it. to beneficially affect the feed grown and In fact, the effluent pond and its the correct balanced rumen in the cow, associated problems is the result of all the creating the best conditions to digest the activities which come before the pond. feed eaten. These include chemicals used in the The more feed digested by these quality cowshed; cow health and her ability conditions created by a perfectly balanced to digest feed efficiently; feed quality soil, means not only higher production, including fullness of nutrition with trace but also a resulting effluent pond naturally elements; soil quality including the level free of crust. of nutrients and pH; and trace minerals to “After all, a crust on an effluent pond grow quality feed for the cow. is merely undigested feed. A crusted pond A good balanced soil, which allows signals an inefficient farming system,” balanced nutrients to feed grass and he says.

Measure your FDE nutrients

Now more than ever it is important that you get your systems right to ensure that your farm meets the high standards that define our primary sector. Have all of your farm dairy effluent testing needs met by a New Zealand owned laboratory with methods developed specifically for our unique conditions.

FREEPHONE 0508 HILL LAB | hill-laboratories.com

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NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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TURN FARM EFFLUENT INTO MEASURED NUTRIENTS EFFLUENT WAS ONCE DISMISSED AS a waste product, yet farm dairy effluent (FDE) can have good levels of nitrogen and potassium, making it a suitable fertiliser for maize and other crops. Effluent “waste” can effectively be recycled - utilising it either on its own or in addition to fertiliser nutrients depending on the paddock history and crop yield targets. When slurry or sludge is applied to land, the solids content also contributes to the soil organic matter. This can be of benefit where paddocks have been repeatedly cropped. What’s more, the nutrients in effluent

applied to land tend to be slow release, with only about 50% of the N and P available in the first year of application. K is almost all available. So, paddocks with a long history of effluent application may have a large ‘bank’ of nutrients in the soil, waiting to be utilised. That’s why such areas show no response to added fertiliser in the first year out of pasture – and why there is an environmental benefit by planting deep-rooted crops such as maize to extract nutrient that otherwise could be lost to waterways. At Hill Laboratories, the team sees effluent testing as a vital part of nutrient

management. It offers a dairy effluent sampling kit with instructions on how to collect and send an FDE sample. The Certificate of Analysis (report) provides test results in an easy-to read table, and shows a worked example for N, P and K results calculated on a kg/ha basis, for two different application depths. Getting an effluent test done a few times per year is recommended, as the nutrient composition can change according to season, and also cow diet. Contact the team at Hill Laboratories today for more information on farm effluent testing or try our new online ordering through our customer portal.

How do you manage and control your Effluent System?

YOUR PARTNER IN PRECISION AG

Have you ever wanted to have full control of your effluent pumping equipment locally and remotely, wanted fail safe security in case of burst pipe or no movement at irrigator as well as offering placement data on Google Maps, wanted to have the flexibility to set flow rates, pumped quantity or pumping times?

“Control your effluent system with our integrated automation solution”

How do you manage and control your Milking Plant and Vat Wash System? Have you ever wanted to have your Milking Plant and Vat Wash System fully automated and free up valuable time to do the things that matter?

“Control your Plant and Vat Wash system with our integrated automation solution” Call Laser Electrical • A Laser Electrical Representative will call around to discuss your application. • A tailored control solution can be created • Preliminary costings can be provided. • Ascertain loading requirements for new installations and offer solutions around this. (07) 883 7677 •

Trimble GPS Displays, Precision IQ & Trimble Ag Software delivers accurate effluent machinery spreading controls, proof of placement and record keeping including coverage maps. ISOBUS compatible with after-market options available. Complete soil moisture and weather monitoring solutions to effectively manage application rates, timing and environmental reporting. Effluent management is made easy with integrated solutions, to learn more call your local rep on 0800 482 682.

www.vantage-nz.com Proud to partner with:

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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YARDMASTER CONTINUES TO LEAD THE SECTOR THE TREND TO SHORE-MOUNTED systems is well recognised in the dairy effluent industry. It was driven initially by health and safety demands, but the benefits in ease and cost of maintenance are the main drivers. Reid & Harrison has continued to develop its range of in-house products and is regarded as a leader in the sector. The latest version of its shore-mounted stirrer is a hybrid of two earlier models. Taking the ease of the bank-end fixing system and the advantages of a winch for lifting, this was combined with the relative simplicity of the original belt driven model. The result is a stirrer that provides better end-user functionality and easy

maintenance. The stirrers come in two length and two power options, which coupled with flexibility to alter height and angle, A shore-mounted stirrer and pump system available from makes maximising Yardmaster. coverage and effectiveness of stirring easy. rather than complete and expensive rotors. This stirrer complements the shoreWith a truly nationwide coverage, based Yardmaster self-priming multi-stage the trained Yardmaster Certified Dealer pump which can be located from the network is there to design and install same concrete pad, making access of all your system with the Matamata factory equipment from one spot. providing product design, customised The high performing multi-stage pump manufacture and certified effluent system is ideal for cannon-style irrigation as well design capability if needed. as for more challenging terrains. The pump Having a New Zealand based capability has been designed for quick and modular is a good option in these Covid-19 parts so farmers only replace what is worn, affected times.

THE ORIGINAL

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flexitanksnz.com NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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LOW CAPITAL OUTLAY FOR FLEXI TANK OPTION TARANAKI DAIRY FARMER GLENN Taylor is a happy man after Flexi Tank installed a French designed and made effluent storage bladder on his Ngaere farm in June, 2018. “Basically it’s done what I wanted it to do. It’s somewhere to put effluent safely when I’m not on the farm,” he says. Glenn is a part-owner and leases the balance of his family’s farm. He runs 340 dairy cows on 107ha (effective) plus a 30ha runoff where he grows maize and silage, and grazes young stock. Glenn says his Flexi Tank is easy to use and simple to put together without a lot of capital outlay. There are no consents required, no extra pumps are needed. It just takes a few extra fittings and a flat

surface. The effluent can be transported to and from the tank using an existing pump or gravity. For Glenn, it only Glenn Taylor says the simplicity of his Flexi Tank was a big drawcard. took five people 90 minutes to roll it out. He cleared a few trees before putting it in, and effluent on to a paddock it can be applied has plans to add a few plants so that it will all at once, so the entire paddock can have be unseen by anyone passing nearby. the same consistency before it’s time for With the Flexi Tank being enclosed there the cows to go on. is no risk of rainfall getting in or people Flexi Tanks are an increasingly popular falling in. For anybody who may have option. The tanks have a depreciation rate neighbouring properties nearby there is of 25%/year, so can be written off in 4-5 the added benefit that smells are almost years. The construction material is sturdy non-existent. and comes with a 10 year manufacturer's Rather than gradually putting the guarantee.

NZ Dairy Exporter | Effluent Management Solutions | November 2020

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NUTRIENT 22 

| EFFLUENT | CONTAINMENT

NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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STOP WORRYING ABOUT EFFLUENT SIMPLIFY YOUR SYSTEM HAVING A SIMPLE EFFLUENT system is the best thing since sliced bread says John Climo who farms 530 cows at Wharepapa South, Waikato. John’s previous set up might sound familiar- a manikin tank, sump, and pumped straight to pasture which had to go every day, even if it’s wet. It was a constant worry. It was a nightmare if the pump broke down, the power was off, or if it blocked and didn’t pump, John says. “We had to shift the irrigator and manage it every milking, it was so labour intensive, especially when it blocked.” Now with his Archway Weeping Wall system he doesn’t have to worry. “We went to the weeping wall because the pumps couldn’t handle the sand,

stones and plastic, but the weeping wall separates everything that goes down the drain and leaves the pond clean. “I couldn’t believe how long the weeping wall bunkers took to fill A new weeping wall has simplified the management of and how quick it was to empty effluent for Waikato dairy farmer John Climo. them out. We looked around at a few “We believe that simple systems attract different systems and we were lucky here great people. Having a well-designed with the gravity from the cow shed, so this system which makes these unattractive new system worked out perfectly.” John tasks easier ultimately takes the pressure says. off and makes the people on the ground Archway Group’s Amanda Hodgson happier.” says effluent can be one of the most The wellbeing of people needs to be unfavourable jobs on-farm so it’s part of the design process for a sustainable important to make your system as low operation. The effect it can have on people maintenance and simple for yourself and with a good system versus those with an your staff as possible. inadequate system is huge.” Amanda says.

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Call us now on 0800 255 222 Find us online at www.kliptank.com Or email us at info@kliptank.com

E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

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“The perfect s*** stirrer!” - Dave Stephens, milking 160 cows in Ngakuru 600,000 Litre Kliptank with our patented Klipjet Stirring and Aeration System 24 

BUILT TOUGH FOR N.Z. CONDITIONS NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

FEEDBACK ENHANCES NUMEDIC PRODUCTS

STORAGE CHALLENGE SORTED BY KLIPTANK

MANY FARMERS WILL NEED TO INSTALL A NEW effluent system or upgrade the existing one to achieve compliance. A few key considerations include: • Simplicity – it is important that the equipment is easy to operate, saving on time, labour and frustration. • Capital cost - effluent systems are not a low-cost infrastructure. You only want to install it once and do it right, and pay for what you need. • Environmental compliance and footprint - your system needs to comply with your local council requirements. • Reliability – it is important to have equipment that does the job well and does not break when you need it most. • Maintenance cost – with so many things to be maintained on a farm, you do not want high maintenance bills for your effluent system every year. • Suitability – a system that will work well in the future. Whether it is pumps, stirrers, hydrants, filters, reticulation lines or irrigation systems, Numedic products provide options suitable for a wide range of applications and budgets. These products are designed based on farmer feedback and the way the equipment is used on farms to address the most common issues they have with effluent equipment.

KLIPTANK PRODUCED THE ANSWER TO EFFLUENT storage for dairy farmer Hugh Chisholm, who runs a highly productive 1200 cow farm near Putaruru, Waikato. After years of upgrading his feed pads, covered housing and silage bunkers, the farm had massive concreted catchment areas which put his original effluent system under pressure during heavy rain events. Kliptank constructed a new 4,000,000L effluent storage facility on the highest hill 1.2km away, 40m above the milking parlour. The Kliptank is 45m in diameter and 3m high. Effluent is transferred to the tank through a 180mm pipe. To do this Hugh dug the trench himself and hired a helicopter for the day to shift all the lengths of pipe while a contractor fusion welded it all together. With his new tank Hugh has been able to extend his irrigation system to the entire back end of the farm and can now spread effluent over almost all of his 360ha. The Kliptank was installed on a dished sand foundation with a Centre Base Drain to provide a low point to suck the solids out of. He also installed Kliptank’s patented Klipjet and Crust Buster stirring system – a hydraulic stirring system powered by his 130hp diesel pump which not only blasts the sludge up off the bottom it gets all the solids into suspension before irrigating. At the same time, it also provides much needed aeration to assist the aerobic microbes in breaking down the solids.

Looking to upgrade or install a new effluent system? Do it once and do it right with an effluent system designer from an accredited company Companies have been assessed for their competency and skills in: regulation and legislation soils and climate considerations effluent block allocation estimating pond storage volume integrated management systems hydraulic design of irrigation systems.

Find a local accredited company

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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Where reliability & Performance

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NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


E F F L U E N T M A N AG E M E N T S O L U T I O N S 2 0 2 0

The Larall Smart Hydrant in action.

CLEVER HYDRANT DELIVERS ON-FARM BENEFITS INSTALLING A SMART EFFLUENT management system that delivers benefits like maximum nutrient utilisation and compliance with council regulations, and takes minimal labour to operate, has to be the aim for dairy farmers. The Larall Smart Hydrant (LSH) from Effluent & Irrigation offers those benefits. It utilises 4-6 medium size Rainguns which are controlled intermittently, meaning a very low average application rate of 1.5mm per hour. It also requires relatively low labour to operate and enables high volumes of effluent to be pumped per session, maximising irrigation opportunity. This offers dairy farmers smarter effluent management control with deferred irrigation, effective utilisation of nutrients, as well as labour savings.

When Reliability Matters.

Failsafe features are also available such as if there is a low or high pressure fault registered, caused by either a leak or blockage, the LSH system will shut down the main effluent pump, giving the farm operator added peace of mind. The low application intensity reflects a ‘little and often’ concept enabling nutrients to be maintained within the plant root zone. This is critical to gain the maximum value of the nutrients produced in effluent and maximise the return on investment. This system also allows irrigation to take place when traditional systems may not because of ponding or runoff risks. When effluent enters the LSH its pressure is activated but only one of the valves is opened at one time. The LSH directs the effluent through the open

valve to the raingun for a set duration, for example 15mins. Once the set time has lapsed, the next valve opens as the open valve closes and continues spreading effluent to the next raingun. Over wetter months, the amount of effluent that goes to each raingun could be based on 10 mins of pumping. Based on a 10-minute period there would be a 50-minute rest between each application. The rest time allows the effluent to be absorbed by the soil which limits ponding and run off and maximises nutrient retention. If the LSH was irrigating two 3ha paddocks, there would be 6 shifts per gun to complete the area. The total application depth is relevant to pumping time and should be based on soil moisture levels. For example, to apply 10mm total depth the pumping time would be 7 hours between shifts. The total pumping time to complete the paddocks (after 6 shifts) would therefore be 42 hours. Pumping approximately 18m³ per hour, this would equal 756m³. When based on a herd size of 500 cows and producing 35m3 per day this is about 21 days of effluent irrigated. In this situation the system can be used once every three weeks for deferred irrigation. If the total required depth is higher, say 15mm, then the pumping time between shifts would be 10 hours. The total volume pumped would be 1080m³ or 30 days effluent. Labour savings are a result of setup time, or trips to the paddock, versus the total volume pumped. A common comparison here is with travelling irrigators and the ‘turnaround time’ required for their given output.

Liner solutions for dairy effluent and irrigation water storage ponds: Cost competitive with proven reliability

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

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VORTEX BLADDERS BY PRECISE DE Vortex Bladders not only offer the many advantages of a standard storage bladder/ flexible tank, but also offer an effective and hassle-free solution to removing solids from the bladder. This is done by delivering the solids to the centre and bottom of the bladder where the central drain hole is located, and with a few other innovations it makes the Vortex Bladder a leader in its field. Let’s face it the removal of solids from all types of storage options is a real challenge, but the Vortex Bladder was always designed to help address this issue. When you get a Vortex Bladder from us, you also get expert and Regional Council recognised accredited advice on sizing your storage and how to get your Vortex Bladder to work effectively with the infrastructure you have already or are going to need, as we are experts in “anything and everything dairy effluent” and are “Farm Dairy Effluent System Design Accredited”, we are not just a supplier of bladders/flexible tanks. Brian Nicholson and Allan Crouch

are veterans in the dairy effluent world. With over 40 years of experience in the industry between them, and the designing of hundreds of effluent systems in New Zealand – and further abroad – under their belts. ‘For anything and everything dairy effluent’ is their slogan, and it’s not an exaggeration. At Precise DE Nicholson

and Crouch supply advice; design effluent systems suited to each specific farm they work on; supply products, from storage solutions to irrigation equipment; regardless of where in the country their customers are, through a network of trusted and experienced dealers. Contact us at www.precisede.co.nz

NZ’S BEST PRICED DAIRY EFFLUENT STORAGE BLADDERS Its unique design makes removing solids from the bladder easy PRECISE DE For ANYTHING and EVERYTHING Dairy Effluent

www.precisede.co.nz 28 

Allan Crouch: 021909463 Brian Nicholson: 0274924046

NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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QUALITY SPREADERS POPULAR NATIONWIDE MUCK SPREADERS ARE PROVING a popular addition to the effluent management solutions available to dairy farmers, especially those seeking to use all the nutrients from the farm system back on their grazing land. K-Two muck spreaders from familyowned Matamata Ag have been operating in NZ for almost 20 years from Southland to Northland. Their smart design with extra strength in key areas and low overall weight have been integral reasons for their success. The K-Two Duo and Evo models are rear twin-beater discharge spreaders that provide simple yet accurate spreading with low on-going costs. K-Two have long been respected for their impressive build quality, but they are

also stacked with many other features. These include ease of use, large single tyres which are better in the wet and allow weight to be transferred to the tractor, and a monocoque body One of Gary Rogerson’s K-Two spreaders being loaded. that allows higher capacity and larger tyres without compromising width. are used for a range of products including, The spreaders feature large 16mm chain slurry, manure, barn bedding, compost and with 128-tonne break strength, doublelime. channel floor bars for added strength, Waikato dairy farmer and contractor, LED lights with auto fold-down covers Gary Rogerson, Rogerson Farms, says his and direct drive line to the beaters to keep K-Two Duo and Evo muck spreaders have power requirements low. exceeded his expectations, outperforming An added bonus is the optional weigh all the other brands he’s tried in the past. scales and auto rate control, this gives great “I’ve had fantastic support from the accuracy and traceability. The spreaders team at Matamata Ag,” he says.

NEW OWNERS FOR ENVIROLINE JASON AND ROZ HARRISON ARE putting their knowledge and past experience in farming to great use as the new owners of Enviroline, renowned for supplying quality linings for a variety of ponds including effluent and decorative. “We wanted our own business as we have a young family. The decision to take over at Enviroline came earlier than expected earlier this year,” says Jason. They took ownership on July 1 and look forward to building ongoing relationships. The couple have both been around farms their whole lives. Roz was born on a dairy farm before moving to beef and sheep operations and also worked on horse studs. “I am Te Awamutu born and bred. My father is a vet and we understand the needs of the farming community. I have predominantly worked in the agriculture/ veterinarian industry and have spent the most part of the last 20 years dealing with dairy farmers,” Jason says. Most of Enviroline’s business is in providing the HPE linings for dairy effluent ponds. “We are getting into the commercial sector including stormwater ponds for subdivisions and catchment ponds for industrial sites. We also line decorative

ponds for lifestyle block holders, and farmers,” Jason says. Getting involved early in a farm effluent system design is always better. “We are happy to get involved at any stage of a project and help design the pond as well through our contacts. Farmers need to account for the soil type, number of cows, and the annual rainfall for a pond to be built correctly.” Ponds need to be constructed with the right material and lined the correct way. You need leak protection and there are a number of technical issues to consider. “It’s not like the old days where you just dug a hole and put a pipe in,” Jason says. There is three layers to the lining and it is important to understand what the end product will look like. Getting everyone involved in the construction of a pond as early as possible can substantially reduce potential delays. “It is good to have everyone such as the earth works guys around the table from day one to discuss the process. That is better than discovering you can’t line a pond because of this issue or that issue.” “I believe we have a high quality product. There is always a cheap option but cheap is rarely the best. We have the

NZ Dairy Exporter | Effluent Management Solutions | November 2020

backing of the supplier, can provide a 20-year liner warranty and an eight-year workmanship guarantee.” Being a small business means Jason is on site for each job where he can deal with issues immediately. “If you are looking for quality workmanship, superior liners, successful effluent containment at realistic prices call the team at Enviroline NZ to discuss how we can help you.” 29


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NEW POND LINER COMES WITH 20-YEAR GUARANTEE WHEN CANTERBURY DAIRY farmers Nigel and Amy Rutherford of Malbon Dairy Farm chose to upgrade their clay-lined effluent storage pond, they chose Viking Containment to provide advice and the right product. Increased storage capacity and compliance were the key drivers for the pond design, and it also provided a contingency for possible future expansion. The previous storage was only 4-5 days, but their new High Density Polyethylene (HDPE)-lined pond has increased their capacity to 1800m³, providing 20-25 days storage.

The new effluent system lined by Viking Containment.

Nigel is very happy with the outcome. “In some recent wet weather where the soil capacity was at its maximum, I didn’t have to worry about effluent management issues – it makes the whole operation very efficient and much easier,” he says. The extra storage capacity allows them to put more time and focus into animal health and pasture. The new pond construction involved removal of the existing pond so it was programmed to be completed in the offseason. Earthworks were completed by Roy Hill Construction to a high standard. The excavated pond was 40m x 40m x

3.5m depth with a 2H:1V slope gradient and a 500mm freeboard. The liner system consisted of 1.5mm HDPE Liner, Geotextile protection layer over the subgrade surface, Viking Gas Venting system and Geoladders for safe egress in and out of the pond. The 1.5mm HDPE liner comes in 8.0m wide panels which allows efficient deployment and installation, and was completed in one day. All the seam welding and testing was documented in a comprehensive Quality Assurance Report. For peace of mind and assurance Viking’s HDPE liner also has a 20-year product warranty.

PPP’S SEPARATORS NEVER FAIL How we work with you Effluent and Irrigation Design™ looks at all aspects of your farm including topography, nutrient budgeting, and preferred management to recommend the best solution for you. We understand the concerns relating to how much work managing an effluent system can be. With years of experience, technical training, contact with farmers and understanding of industry requirements our consultants have a wealth of knowledge to call upon. Because Effluent and Irrigation Design™ is made up of independent consultants, we have the ability to provide different system designs. We work with all manufacturers of effluent disposal solutions available in the New Zealand market. Multiple outcomes are often reached allowing farmers to make choices that best suit their farming needs. Rather than simply being sold a specific product, our process allows farmers to become educated buyers of designs precisely suited for their farm.

Let’s talk... 0800 856 544 www.effluentandirrigation.co.nz

30 

PPP INDUSTRIES LTD INSTALLED THE FIRST PRESSscrew separator at a New Zealand dairy farm in Northland in 2001. This was quickly followed by another unit in Manawatu. Since 2001 PPP has installed systems in most provinces of NZ, but the range of customers is now expanded to include piggeries, truck wash stations and meat works. The design and installation are an important part of all its projects but the quality of the separators ensures PPP has never experienced a failure. PPP offers three models catering in size from flow rates of 5-10m3 per hour up to large projects of 80m3 per hour. The separators can deal with heavy flows of solids such as paunch material through to diluted waste such as in the dairy industry. Since the company’s involvement in business waste streams other opportunities have developed such as composting. Its supplier of separators also manufactures “in-vessel composters” so smells can all be contained. These systems have minimal power and labour demand so are very efficient. These composters are part of the success that enable our systems to turn protein waste, such as dead birds from the poultry industry into a biological fertiliser in 24-30 hours. PPP Industries Ltd was established in 1962. Since the inception of the business the company has been a leader within the poultry industry, dairy feeding systems, sheep dipping equipment and now has laid out plans to revolutionise the composting industry. NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020


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Is your pond leaking?

A WSP Pond Drop Test will give you peace of mind that your effluent pond is compliant WHY WSP?

• A Pond Drop test will identify whether there is excessive leakage in your pond • Our test can show whether your pond meets your Council’s requirements • Tests can be carried out on all types of ponds, including concrete, clay or plastic lined • Tests take 2-3 days with minimal disruption to farming activities • The analysis will calculate the leakage rate per day • Your results will be available in an easy-tounderstand report that you can send to your Regional Council • Our team can help you with any post-test questions/concerns.

• The WSP Pond Drop Test is accepted by Regional Council’s throughout NZ • You can trust our rural experts around the country • Receive an ‘Effluent Safe’ badge to show Councils and authorities in future • Talk to our team about: Water Storage Dams, Wetlands, Water Quality, Nutrient Management, Resource Consents, and Farm Infrastructure • Services available across New Zealand.

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NZ Dairy Exporter | Effluent Management Solutions | November 2020

GET $400 OFF YOUR FIRST TEST! Exclusive for Effluent Management Solutions Magazine readers on all pond drop tests booked before Dec 31 2020. Plus speak to our team on how you can save costs. 31


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NZ Dairy Exporter | EFFLUENT MANAGEMENT SOLUTIONS | November 2020

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