Grainews

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Volume 42, Number 16  |  OCTOBER 18, 2016

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PRACTICAL PRODUCTION TIPS FOR THE PRAIRIE FARMER

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TILLAGE RECRUITED TO DEAL WITH MOISTURE ISSUES

photo: lisa guenther

Farmers still want to be zero tillers, but high residue, excess moisture and weeds are putting tillage tools back in the field

By Lee Hart

N

ecessity is the mother of invention, but weather appears to be the mother of necessity, these days. That seems to fit as producers talk about the need for tillage in this October Farmer Panel. Zero-till and direct seeding are still foremost on producers’ minds when they look at overall cropping practices, but with several or frequent growing seasons with often excessive moisture, getting some type of tillage tool on the land to open the soil and deal with heavy residue, presents as a practical management option. While producers are well beyond the “recreational tillage” days, under the current cropping systems some degree of tillage actually has a fit for a number of reasons. Residue management is a leading factor, followed by opening the

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soil a bit so it can breathe and dry out, vertical tillage to fracture the soil profile helps to manage compaction, blackening the soil so it warms faster during cooler springs, a cultivator pass to smooth sprayer and combine ruts in the field, and using tillage to incorporate some of the older but new-again herbicides that help deal with herbicidetolerant crops, all factor into tillage decisions. A return to hot and somewhat drier growing seasons may see tillage tools parked in the machinery row, but in the meantime cultivator bearings are being kept greased. Here is what this Farmer Panel had to say about tillage:

DUSTIN WILLIAMS SOURIS, MAN. Dustin Williams was committed to zero till until the high-moisture growing seasons of 2011 and 2012 hit his south-

west Manitoba farm. And with excessive moisture now every couple years or so, some fall tillage where and when needed is making a difference. Williams has brought two different tillage tools onto his farm in recent years. He has a newer Smart-Till vertical tillage tool, which fractures the soil profile down about eight inches, and he also uses a Horsch Anderson Joker discer to work down heavy crop residue. “We had moved all the way to a zero-till system until those first couple years of excessive moisture,” he says. “In an ideal world we’d like to use more cover crops and have a minimum till system with more mulching. But we also seem to have an endless debate here on the farm about the best way to get the soil opened up and tillage seems the best option.” Williams plans to treat the whole farm with the Smart-Till rotary tiller

once every four years. While it loosens the soil profile, he doesn’t want to over use it either. And the 30-foot wide tool requires a fair bit of horsepower to pull, so cost is a factor as well. “We have already seen benefits on the land we have treated,” he says. “Crop roots are penetrating deeper and I believe some of those deep-down nutrients are moving up through the soil. We’ve seen a yield bump on fields that have been loosened up.” He isn’t concerned about soil erosion as the Smart-Till still leaves 70 to 80 per cent of crop residue on the soil. The Horsch Anderson Joker highspeed discer is effective for working down heavy crop residue. Williams says it works well, for example, to work in heavy oat crop residue in preparation for seeding soybeans the following spring.

In This Issue

» continued on page 4

Wheat & Chaff .................. 2 Features . ........................... 5 Crop Advisor’s Casebook . 12 Columns ............................ 24 Machinery & Shop............. 35 Cattleman’s Corner .......... 45

dealing with fusarium

UTV Challenge results

Julienne isaacs page 10

scott garvey page 35

FarmLife ............................ 52


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