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近年,江苏宜都县义丰镇推广池塘栽植伊乐藻养青虾模式。此模式可以充分发挥伊乐藻耐低温的优势,使其生长和形成优势种群,时间提前,从而延长虾的生长时间,实行青虾池塘两茬养殖新法。这种养殖方式投资少、见效快。现将有关技术要点介绍如下:
In recent years, Yifeng Town, Yidu County, Jiangsu Province to promote the pond planted Elodea shrimp model. This model can give full play to the advantages of low temperature Elodea, its growth and the formation of dominant populations, ahead of time, so as to extend the growth of shrimp, the implementation of two shrimp pond culture new law. This farming method of investment less effective. The relevant technical points are as follows: