【摘 要】
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为了促进鱼类生长,需培肥鱼池水质。但一些水生有害昆虫也会随之大量孳生。它们直接危害鱼苗鱼种,使其出池率降低;或者争食鱼类的适口饵料,使鱼生长缓慢,因此,对鱼池中的有害
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为了促进鱼类生长,需培肥鱼池水质。但一些水生有害昆虫也会随之大量孳生。它们直接危害鱼苗鱼种,使其出池率降低;或者争食鱼类的适口饵料,使鱼生长缓慢,因此,对鱼池中的有害昆虫,必须消灭。但是,在消灭鱼池中的有害昆虫时,往往会影响到池水中的浮游生物量。因此,为避免发生这种情况,故对鱼池中的有害昆虫,就需要巧除。巧除的一般方法是:每亩鱼池
In order to promote the growth of fish, need to cultivate fish pond water quality. But some aquatic harmful insects will also be a large number of breeding. They directly endanger the fish species, so that the pool rate; or fight food-eating fish food, the slow growth of fish, therefore, harmful fish in the pond, must be eliminated. However, the elimination of harmful insects in ponds often affects plankton in pond waters. Therefore, in order to avoid this situation, so the harmful insects in the pond, you need to cleverly removed. In addition to the general method is: mu fish ponds
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