Weed infestation of arable and vegetable crops in organic farming.
Preventive measures as well as direct and indirect weed control measures are presented.
This website article explains direct and indirect measures for weed management in organic farming, focusing on the importance of crop rotation.
It recommends for example cultivating broad-leaved, fast growing and soil-improving plants, such as buckwheat, pea, vetches, white mustard, legumes and lucerne. An important element is fodder crops, which weaken annual and perennial weeds through multiannual cutting regimes and cutting of the shoots. The article mentions the major role root crops and intercropping play in suppressing weeds. Insufficiently processed compost and decomposed manure can be a source of weeds as well as unclean seeds and machinery.
Apart from preventive measures, the article lists agrotechnical methods, like stubble cultivation, harrowing at the seedling stage and burning weeds for a successful control.