| http://www.w3.org/ns/prov#value | - Home ??? Frequently asked questions ??? Your questionFarmingFood and drinkTextilesHealth and beautyGMPesticidesWaste How are perennial weeds, such as thistles and docks, controlled?As all herbicides are prohibited in organic systems weed control must be achieved by management practices and mechanical methods.The key approach is to consider what conditions and environments a particular weed favours
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