When the ricefield is used to cultivate fry and fingerling the labour input is increased a little. Land and Water Resources China is a large country with a large population and a scarcity of agriculture land. Survey of rice fish culture in Sichuan and Jiangxi in 1984. 67.5 Rice alone cannot make full use of the materials and energy in the ricefield. Rice fish culture can greatly increase the use of fertilizer and energy, and transform these materials into human food.
Water is a precious natural resource.
Rice fish culture makes more comprehensive use of available aquatic resources. The efficiency of water use is increased because more than one use is made of the water. Jiang Ci Mao and Dai Ge are with the Aquatic Bureau of Sichuan Province, Chengdu, Sichuan Province. Copyright International Development Research Centre.