O Mechanical tillage

an important component of organic weed management. Organic Farming Requires Weed Management Organic farmers use a wide variety of tools and strategies to control weeds without synthetic chemicals. Successful organic farmers continually adapt their weed management practices as weed populations shift. Producers should have a good understanding of the philosophies and legalities of organic farming before they plan their weed management strategies. A brief overview of organic agriculture follows; for further details, see Iowa State University Extension publication Organic Agriculture (PM 1880). (See page 8 for ordering instructions.) Organic farmers use a wide variety of tools and strategies to control weeds without synthetic chemicals.