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南美白对虾养殖周期短,效益高。但池塘闲置时间也相对较长。如何利用闲置时间,发挥池塘更好的效益?该区柳树(瞿阝)镇水产养殖协会利用空闲的虾池蓄养鱼种,收到了良好的效果,探索了一条虾池四季巧利用,鱼虾轮养受双益的好路子。 1 清整池塘 鱼种过冬要求池塘水源要充足,保水性能好,水深要在1.5m以上。在南美白对虾起捕后,清塘除淤,然后注入0.3m的水,每667m~2用生石灰100kg,全池泼洒消毒;过4～5d后,每667m~2施腐熟的有机粪肥500kg做底肥;再过5～6d注满池水;尔后2～3d,即可投放鱼种。
South American white shrimp breeding cycle is short, high efficiency. However, pond idle time is relatively long. How to make use of the idle time to bring better benefits to the pond? In the area, the Willow Quarry Aquaculture Association used its free shrimp ponds to breed fish species and received good results. It explored the use of a shrimp pond in four seasons, Good way to keep double benefits. 1 clear the pond species require winter ponds sufficient water, good water retention, water depth to 1.5m or more. After white prawn catching and catching, clear pond de-silting, and then injected 0.3m of water, 100kg per 667m ~ 2 with lime, Quanchiposa disinfection; after 4 ~ 5d, every 667m ~ 2 applied rotten organic manure 500kg Base fertilizer; then 5 ~ 6d filled with water; after 2 ~ 3d, you can put fish species.