Ontario Grain Farmer Magazine is the flagship publication of Grain Farmers of Ontario and a source of information for our province’s grain farmers.

Grain Farmers of Ontario

Author: Mike Cowbrough

Cropside: Perennial sow-thistle

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

March 2017 - WITH LATERAL ROOTS that go as deep as two metres and seed production approaching 10,000 per plant, perennial sow-thistle is extremely difficult to eradicate. To minimize its impact, management that reduces top growth will lower…
Cropside: Low soil K and weed control

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

March 2016 - SOILS THAT TEST “low” in potassium can negatively affect weed control in soybean. When soils test low for potassium (K), soybean plants will express deficiency symptoms that reduce canopy closer and allow more weeds to…
Cropside: Pest manager app

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

December 2015 - THE PEST MANAGER app, launched in May 2015, is an identification and treatment tool that can be used to manage weeds, insects, and diseases in your corn, soybeans, or cereals. Pests can be searched by…
Cropside: Seed destructor

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

June 2015 - RAY HARRINGTON, AN innovative farmer from Western Australia, was struggling with herbicide resistant weeds, so he took matters into his own hands by using a cage mill from an old mine and adapting it to…
Cropside: Canada fleabane in soybeans

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

April 2014 - WHAT’S THE GAME plan for glyphosate resistant Canada fleabane in soybeans? There are 12 counties in Ontario (below) that have glyphosate resistant Canada fleabane with six having populations that are also resistant to “group 2”…
Cropside: Minimizing risk

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

April 2013 - With Melody Robinson, Peter Sikkema, and François Tardif TANK MIXING AND CROP INJURY IN WINTER WHEAT how do i minimize the risk of crop injury in winter wheat when I tank-mix herbicides with fungicides? •…
Cropside: Comparing ‘set-up’ residual herbicides for glyphosate tolerant corn

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

April 2012 - With François Tardif, Clarence Swanton, and Peter Sikkema ON AVERAGE THERE is a 4% yield advantage to incorporating a pre-emergent residual herbicide in glyphosate tolerant corn. The yield benefits are much higher when the in-crop…
Comparing herbicide programs in IP soybeans

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

April 2011 - With François Tardif, Clarence Swanton, and Peter Sikkema MANAGING WEEDS IN Identity Preserved, non-GMO soybeans is a constant challenge for growers. With a magnitude of options and various species to control, accurate, non-bias data is…
Cropside: What’s the best herbicide for you?

AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS

April 2010 - A GROWER WALKED into my office about five years ago, frustrated having just come from a soybean field with inadequate weed control. We talked about options for next year and I pulled several University of…