Alberta Barley

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Weeds

Weeds can cause serious yield losses in barley crops, competing with the plants for light, moisture and soil nutrients. As a result, effective weed control can increase crop yields significantly. Yield reduction caused by weeds is directly proportional to the number of weeds present in the crop, and in certain areas of the province this can result in losses of 15 to 20 per cent. Weeds can be controlled using a variety of preventative measures, as well as physical, chemical, cultural and biological control measures. Weeds that affect barley crops include kochia, wild oats, wild buckwheat, chickweed, hemp nettle and Canada thistle.

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