Organic agriculture is a production management system, which promotes and enhances ecosystem health, including biological cycles and soil biological activity. It encompasses a range of land, crop and animal management procedures that use little or no external inputs. Organic agriculture promotes the use of local natural resources. Among the major characteristics of organic agriculture are the: * Enhancement of the biological diversity within the whole system; * Increase of soil biological activity; * Maintenance of long-term soil fertility; * Recycling of wastes of plant and animal origin...

Hydroponics is one of the many methods of soilless agriculture through which plants are grown using mineral nutrient solutions in water, without soil. Many commodity crops like tomatoes, Strawberry, Cucumber, onions, lettuce and cabbage have been successfully cultivated through hydroponics, and their produce well-accepted in many markets. The theory behind the method is that the soil is only a mineral nutrient reservoir and hence, it is not very essential to plant growth. The mineral nutrient can be introduced into a plant's water supply artificially which is then readily absorbed by the...