夏季是河蟹生长的旺季,也是河蟹病害高发季节。因此,加强河蟹养殖夏季管理对于提高产量、抑制病害至关重要。 优选水草沉水性植物虽有部分降温作用,但不能改变浅水滩夜晚水温较高的缺陷;水花生则易疯长过密,引起底层水体发臭,同时过度繁殖,不易控制。设置水面遮阳的水生植物,最好是空心 Summer is the season of crab growth, but also the season of high incidence of crab disease. Therefore, strengthening summer management of crab farming is crucial for increasing yield and inhibiting disease. Although the submerged plants in submerged macrophytes have partial cooling effect, they can not change the defects of higher water temperature in shallow shoals at night; the peanuts are easy to grow and grow too dense, causing the stinking of the bottom water body and overproducing and are not easy to control. Aquatic plants to set the water surface shade, it is best hollow