论文部分内容阅读
1.蟹苗池的准备蟹苗池选择在水源充沛,水质良好,进排水方便的塘口边,长方形东西向,池底底质硬,保水性能良好。面积一般为1~5亩。池底要开挖“目”形沟,宽1米,深0.6~0.8米,新建的池埂应夯实,内用塑料膜辅垫,以防逃、防漏和便于挖苗。进出水口用网目拦牢
1. Crab pool preparation Crab pool selection in plenty of water, good water quality, easy access to the pond side of the pond, the east-west rectangle, the bottom of the hard bottom pool, water retention is good. The area is generally 1 ~ 5 acres. The bottom of the pool shall be excavated with “head” shaped grooves 1m wide and 0.6-0.8m deep. The newly built ponds should be compacted with plastic film inside to prevent escaping, preventing leaks and facilitating the digging of seedlings. Out of the water inlet with a prison block