开春养鱼话管理开春及早加强鱼塘管理，能促进鱼类早开食，利于恢复鱼体健康，增强抗病力，延长生长期。主要做好以下工作：１．分期灌水早春水温低，鱼体较小，池塘不宜１次灌满，应逐渐加高水位。一般每半月左右注１次新水，到３～４月份，水位应达８０～１００厘米，注... Early spring fish management Open spring early to strengthen the management of fish ponds, can promote early fish food, help to restore the health of fish, enhance disease resistance and prolong the growth period. Mainly to do the following: 1. Staged irrigation early spring water temperature is low, smaller fish, the pond should not be filled once, should gradually increase the water level. Generally about half a month about a new water injection, to 3 ~ April, the water level should reach 80 to 100 cm, note ...