论文部分内容阅读
鱼苗是指鱼幼体从0.4厘米左右体长2.5～3.5厘米时期。鱼种是指鱼体从2.5～3.5厘米长至成鱼阶段。1鱼苗培育1.1培育池及水源要求:培育池面积1～2亩,水深1.5～1.8m,不渗漏,池底平坦,淤泥不超过10cm,水源充足,注排水方便。水质要清新、无污染、pH值6.5～8.5。1.2清塘施肥:用生石灰
Fish fry refers to the larvae from 0.4 cm body length of 2.5 to 3.5 cm period. Fish species refers to the fish from 2.5 to 3.5 cm long into the adult stage. 1 fry breeding 1.1 breeding ponds and water requirements: cultivating pond area of 1 to 2 acres, water depth 1.5 ~ 1.8m, no leakage, the bottom of the flat, silt does not exceed 10cm, adequate water, water drainage convenience. Water quality should be fresh, non-polluting, pH 6.5 ~ 8.5.1.2 Qing Tong fertilization: with quicklime