论文部分内容阅读
2002~2004年,笔者在海门市特种水产养殖场选择了50亩主养虾蟹池塘进行伊乐藻在水产养殖上的应用试验。通过比照,在水源、苗种、饲料、放养密度、管理措施等养殖条件一致的情况下,种植伊乐藻的池塘商品河蟹、青虾、鳜鱼、鲢、鳙鱼个体规格平均110克、4.2克、850克、1.8千克、3.
From 2002 to 2004, the author selected 50 acres of main shrimp and crab ponds in Haimen special aquaculture farms for the application of Elodea alga on aquaculture. According to the comparison, in the condition of the same breeding conditions such as water source, seedling, feed, stocking density and management measures, the product specifications of pond crab, freshwater shrimp, bighead carp, bighead carp and bighead carp, Grams, 850 grams, 1.8 kilograms, 3.