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Volume 43 · number 15 SEPTEMBER 26, 2017 · $4.25 Practical production tips for the prairie farmer www.grainews.ca
By Lee Hart
W
Crop management
Count your canola stubble density
Photo: Lee Hart
Want to optimize next year’s yield? Count your stubble density before snow flies
PLU S
The headaches of cooking for the harvest crew Sarah Schulz has been asking: How many do I need to cook for? What field are they in? 39 CONTENTS 3 | COLUMNS 18 | CATTLEMEN’S CORNER 32
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hile the 2017 crop is going or has gone in the bin, there is one more field operation for canola growers to consider this fall: count your stubble density. Since seeding rate and plant stand are critical components of optimizing canola yield, says Rob McDonald, a senior agronomist with Bayer Crop Science, actually knowing how many plants were in the field and reached maturity is important information. “And there is no better time to do it than after harvest,” says McDonald, manager of product excellence for Bayer. The number of plants that emerge after seeding is one indicator of crop density he says, but it’s the number that make it through to maturity that really tell the story. You can wade through standing canola crop in July and August to make a count. But after harvest is so much simpler. “The plant count for a successful crop is critical,” says McDonald. “If there are too many plants the crop might look good, but the yield isn’t there. And if there are 10- to 12-inch gaps or more between plants in seed rows then you are also losing productivity. There will probably never be perfect spacing over a field, but hopefully you can fine tune it.” McDonald believes in using a 1,000 kernel weight (TKW) formula with each seed batch to determine the actual seeding rate. Following the old or standard five or six pounds per acre seeding rate for canola results in too many variSee CANOLA density on Page 5