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Monitor & improve your rehabilitated grazing land Presented by Tom Newsome Outcross Pty Ltd


New Hope Grazing Trial Case Study Overview • New Hope Group engaged in mining coal in Surat Basin region of QLD • Pilot trial conducted in 2012. • Currently undertaking Stage 2 of the project Objectives • Commercially relevant research outcomes to enable them to quantify the performance of the rehabilitation program in terms of productivity and sustainability. • Compare performance of cattle grazing on rehabilitated mining land with cattle grazing undisturbed established pastureland.


Rehabilitated Mining Pasture 1 (30 ha) Animals

- 20-40 head/site, Angus steers & heifers Grazing - 4 grazing periods - Graze sites in Summer, Autumn, Spring Winter Feedlot - Feed for 70 days Abattoir

Soils

Land characterisation - EM, NDVI Pit analysis - Root growth - Pit classification - Soil moisture characteristics Soil nutrients - NO3, SO4, CI Soil structural changes - physical, chemical

Pastures

Stocktake - Land condition Botonal - Yield (kg DM/ha) - Quality (digestibility, metabolisable enery, nitrogen content) SWIFTSYND - Annual yield in absence of grazing (kg DM/ha) - Nitrogen uptake & %N

Rehabilitated Mining Pasture 2 (30ha)

Rehabilitated Mining Pasture 3 (30ha)

Unmined Improved Pasture same age and establishment as rehab site 3 (30 ha)

KPI’s – ADG, kg beef produced/ha/kg dry matter/100mm rain, pasture quality (MJ ME/kg DM) & quantity (kg DM/ha), soil fertility & structure

Analysis – Benchmarking, ANOVA Report


Hope Grazing Trial Case Study Soils • Land characterisation • Pit Analysis • Soil Cores • Monitor four trial sites plus 18 additional benchmark sites


New Hope Grazing Trial Case Study Pastures • Stocktake analysis – Land condition • Botonal analysis • Swiftsynd exclosures on each trial site


New Hope Grazing Trial Case Study Cattle • 156 vendor bred Angus steers and heifers • Weighed in and out of sites • Calculate Average Daily Gain • Collect Faecal samples for NIRS analysis • Continue to monitor cattle through feedlot • Collect liver samples post slaughter to test for contaminates


For more information please contact Tom Newsome 0409 580 732 tom@outcross.com.au www.outcross.com.au

Outcross Project Management Case Study  
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