论文部分内容阅读
池塘养蟹是目前农村养蟹的主要方式之一。由于池塘养蟹的条件优于其他养蟹方式,因此产量较高,经济效益较好,在池塘养蟹过程中,养殖户需要做好五“防”:一防池浅。养蟹的池塘,深度以1.5—2米为宜,不宜过浅。在投放幼蟹前,要对池塘进行整修,使池底平坦,池下淤泥不超过20厘米。然后,注入新水,水深约1—1.5米。幼蟹放养后,要勤换水,并保持水位稳
Pond crab farming is currently one of the main ways of crab in rural areas. As the condition of pond crabs is superior to other methods of crab farming, the yield is higher and the economic benefits are better. Farmers need to make good “prevention” in the course of raising crabs in ponds: a shallow pool. Crab pond, the depth of 1.5-2 meters is appropriate, should not be too light. In the delivery of crabs before, to renovate the pond, so that the bottom of the pool, the pool of sludge does not exceed 20 cm. Then, inject new water, water depth of about 1-1.5 meters. After stocking crabs, to change the water frequently, and maintain a stable water level