Synopsis Organic agriculture' is defined worldwide as 'Farming without the addition of artificial chemicals'. On organic farms, no artificial chemicals are used. They are not used to prepare the soil, to grow the crop or to produce. anything on which the crop feeds, or to store, process or market the produce. In addition, animals are allowed to range as freely as is practicable. Good organic farming is not a backward step. It combines the best  of old knowledge and traditions with the best of modern science. It has much in common with other good management. Organic farms, like other well-run farms, need a high level of management, particularly of soils and pests.