Cropside: Cleavers
AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS
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CLEAVERS IN A field of winter wheat are a pain and I am often asked ‘what is the best way to get rid of this weed in winter wheat?’. I can’t think of a redeeming…
Author: Mike Cowbrough
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Cropside: Perennial sow-thistle
AGRONOMIC INFORMATION FROM ONTARIO'S CROP SPECIALISTS
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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…
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Weed control tips
FALL MANAGEMENT
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Many farmers have witnessed the value of applying herbicides in the fall for the management of winter annual and biennial/perennial weeds (Figure 1). Often, they will see both a reduction in density and a delay…
From the CEO’s desk – April/May 2026
From the CEO's desk
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In an uncertain world, reliability matters. Global agriculture is increasingly shaped by geopolitics, supply chain disruptions, and shifting trade policies. In recent years, input costs, particularly fertilizer costs, have been affected by export restrictions, shipping…