鱼种池塘套养河蟹,采取以粗代精,精粗搭配,以草换鱼的生态养殖方法,是目前我们提倡的一种低投入,高产出的混养新模式,它能充分利用水体,实行立体养殖,利用自然饵料,达到少花成本,增加效益的目的。1.掌握适期,彻底清塘鱼种池清塘是否彻底以及清塘时间是否适时与培育鱼种有着十分 Fish ponds raise crabs, to take the crude, refined with crude grass to grass for the fish farming method is currently we advocate a low input, high yield of polyculture new model, which can make full use of water , The implementation of three-dimensional culture, the use of natural food, to spend less cost, increase efficiency purposes. 1. Grasp the right period, thoroughly clear pond ponds ponds clear and clear pond time is appropriate and cultivation of fish species are very