organic farming defined as system with no or minimal use of chemicals as fertilizer , herbicides , pesticides , etc. use of bio agents such as cultur of blur green algae . with maximum use of organic manure , bio wastes such as strow and live stocks , etc. it is a system consist of crop rotation , manuring like compost and green manures , it is a system that enhances diversity . it is the best method for farming because we use minimum use of fertilizers , pesticides , etc.