It’s that time of year again, when a student’s thoughts turn to looking fashionable while still staying warm (hahahahaha, as if) and, more importantly, the students from the University of Guelph’s Crop 4240 class launch their weed identification and control videos. This is the second year that instructor Francois Tardif and lab lead Mike Cowbrough… Read More

The advent of glyphosate resistant weeds has and will continue to complicate pre-plant weed removal. Farmers need to match herbicide resistance management and control options with targeted weed species to ensure not only an effective kill, but also to avoid limiting control options later. Glyphosate-resistant giant ragweed has been confirmed in Ontario, and farmers set… Read More

By Mike Cowbrough for FieldCropNews.com It seems to be an annual question. Do I add ammonium sulfate (AMS) to glyphosate? Will it improve weed control especially if my water source is hard? The short answer is no. Skeptical? I understand. There are many areas within the United States that insist the addition of ammonium sulfate… Read More

This semester at the University of Guelph, Ontario Agriculture College, Francois Tardif and Mike Cowbrough‘s Crops 4240 – Undergraduate Weed Science students were given the assignment of making a weed identification  video for a weed commonly found in Ontario. The objective is for the students to discuss identification at different growth stages and  methods of control of… Read More

Eliminating weed competition is critical to corn development during it’s initial growth stages. Weed pressure during that growth period can decrease yield significantly depending on the intensity and duration of that pressure. Timing your herbicide application properly can ease back weed pressure while keeping your crop from being damaged. Depending on the herbicide you use,… Read More

Early weed control in any crop is important. This especially true when it comes to difficult weeds like lambs quarters. A difficult weed like that often calls for an aggressive strategy.   An extra level of care and attention is required when formulating a strategy with non-gmo soybeans. It involves a good look into your… Read More

Growing a good yielding soybean crop starts before it’s even in the ground. Planting into a field with the potential for heavy weed pressure can cost you anywhere up to 80 percent of your yield. It’s incredibly important therefore to make sure that ground is as clean as possible both before you plant and after… Read More

Red clover planted after your winter wheat harvest provides huge advantages to growers in Ontario.   A good stand of red clover can be extremely beneficial in preparing your land for spring planting. To be able to enjoy those benefits however, that stand of red clover has to be managed properly. One of the key factors involved in… Read More