1饲料资源及其利用状况湖南省现已查清有机质饲料源10大类，总量近5．5亿t，目前已被水产上所利用的有机饲料资源近2000万t。无机饲料源总储量20亿t以上，这类资源除化肥，每年使用3万t外，其他在渔业上利用量甚微，稀土养鱼也还处在一定面积的摸索阶段。l·l青绿饲料湖南省青? 1 Feed Resources and Their Utilization Status Hunan Province has now identified 10 major categories of organic matter sources with a total amount of nearly 550 million tons. At present, nearly 20 million tons of organic feed resources have been utilized by aquatic products. Inorganic feed sources total reserves of 2 billion t more than such resources in addition to fertilizers, annual use 30000 t, the other on the use of fisheries is very small, rare earth fish are still in a certain area of ​​exploration phase. l·l green feed Hunan Province Green?