水库网箱养殖虹鳟,其目的是利用冷水性鱼类的生长特点,扬长避短解决夏季渔农争水的矛盾;改变我市养殖品种单一,效益低下的状况;开发本地区冬季垂钓品种;为加速农业结构调整、农业增效、农民增收起示范作用。 一、材料与方法: 1、水域选择:登月湖水域面积3000多亩,水质清澈无污染,透明度70cm以上,pH值6.5—7.5,溶氧量7mg/L以上,养殖期 The purpose of this project is to make use of the growth characteristics of cold-water fish to avoid contradictions between farmers and farmers in summer; to change the situation of single breed and low profit in our city; to develop winter fishing species in this area; to accelerate agriculture Structural adjustment, agricultural efficiency, peasants income demonstration role. First, the materials and methods: 1, water choices: Landing Lake area of ​​3000 mu, clear water pollution, transparency 70cm above, pH 6.5-7.5, dissolved oxygen 7mg / L or more, the breeding period