一、效益低下的原因 1.投入与产出成反比 由于养殖技术差,没有掌握好稻田养殖的技术要领和养殖品种的特性,没有处理好水稻与养殖对象的矛盾,一年到头,养殖的收获量很少,有的甚至没有养出什么产品。 2.有产量无质量 有一部分养殖户,由于放养密度过大,养殖技术不够成熟,虽然产量上来了,但养 First, the reasons for the low efficiency 1. Inversely proportional to the input and output As farming technology is poor, did not grasp the technical essentials of rice farming and aquaculture species characteristics, did not handle the contradiction between the object of rice and aquaculture, year round, the harvest is very good Few, and some did not even raise any product. 2. There is no quality of production Some farmers, due to stocking density is too large, farming technology is not mature enough, although the production up, but raising