Organic Farming (Biological Husbandry) It is agricultural production system which avoids or largely excludes the use of synthetically compounded fertilizers, pesticides, growth regulators and livestock feed additives. To the maximum extent feasible organic farming system rely upon crop rotation, crop residues, animal manure, legumes, green manure, mineral-bearing rocks and aspects of biological pest control to maintain soil productivity and tilth to supply plant nutrients and to control insects weeds and other pests. Oil seed crops Primarily soybeans, peanuts, cottonseed, and flaxseed used for the production of oils for cooking, protein meals, and nonfood uses. Less common oil crops include sunflower, safflower, castor beans, and sesame.