Organic fertilizer
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Organic fertilizers are fertilizers that are naturally produced. Fertilizers are materials that can be added to soil or plants, in order to provide nutrients and sustain growth. Typical organic fertil
A cement reservoir containing cow manure mixed with water. This is common in rural Hainan Province, China. Note the bucket on a stick that the farmer uses to apply the mixture.
Liming soil
Bone meal and meat meal can be added to soil to stimulate root growth and to release phosphorus.
A large commercial compost operation
Hydroponics
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Hydroponics is a type of horticulture and a subset of hydroculture which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions in an
NASA researcher Ray Wheeler checking hydroponic onions (center), Bibb lettuces (left), and radishes (right)
Inside an ebb-and-flow hydroponic system employing individual buckets connected by fill/drain hoses
A lettuce hydroponic farm in Fellsmere, Florida, USA
The deep water raft tank at the Crop Diversification Centre (CDC) South Aquaponics greenhouse in Brooks, Alberta