Weeds are part of the natural world and so is their presence in biodiverse cropping systems that do not use synthetic products to eliminate them. Nevertheless, they need to be controlled to get good yields. The amount and diversity of weed types that appear among crops depend on crop rotation, nitrogen supply, soil type, soil structure, climate and weed control measures. For example, in arable systems dominated by cash crops and with a low share of perennial grass-clover leys in the crop rotation, perennial weeds like couch grass and thistles can severely hurt production. In general, selecting the right varieties and strengthening their competitive advantage is a precondition for efficient and effective suppression of weeds.

On this page, you can find tools and resources that can help you design a sound weed management plan as well as discuss the topic with others.

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