Weeds

A second application of in-crop herbicide is not always economical if the crop is well established, competitive and ahead of the remaining weed population.

Injury from herbicide residue in the soil can only occur in fields with a history of Group 2, 4, 5 and 14 herbicide applications.

How do you spray weeds in a timely fashion when every day seems too windy? Here are some tips….

One of our Alberta agronomy specialists encountered the situation in the photo. Canola emergence was patchy in this small area, but generally good overall.

With warm soils, decent moisture and 1” seeding depth, emergence can occur about a week after seeding. If emergence is slow or patchy, scout

Factors that affect herbicide carryover are herbicide group, field history, soil characteristics, dry conditions and temperature.

A quick quiz to test spraying windows, inversions and timing.

In general, early is the best for herbicide timing. A few early weeds emerging before or at the same time as canola plants are

Adding micronutrient solutions, especially zinc, to glyphosate is highly antagonistic to the herbicide.

It is always good practice to clean the sprayer, especially between pre-seed and in-crop applications. Please read the updated article.

Combining pest control operations to save trips over the field may seem like good economic sense, but consider the following when making this decision:

Buffer zones or strips come in all shapes and sizes, and are designed to protect sensitive areas. Sensitive areas include permanent vegetation to maintain