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1.移栽水草蟹池移栽伊乐藻、苦草、轮叶黑藻等水草,使覆盖率达50%左右。水草不仅是河蟹喜爱的植物性饵料,还可为河蟹提供隐蔽场所及附着生物的基质。2.调活水质夏季水温较高,水质极易腐败,应加强水质管理,保持水质活、爽、清、溶氧高,透明度在40厘米以上。管理上,一是适当加深水位,保持池塘正常水位在1.5米左右。二是高温季节,每3～4天换水一次,每次换水量30
1. Transplanting water crab pond transplanting Elodea, Vallisneria, Hydrilla verticillata and other aquatic plants, the coverage rate of 50%. Aquatic plants are not only the favorite plant bait for crabs, but also provide crabs with shelter and attached substrates. 2. Adjusting water quality Summer high water temperature, water quality is extremely perishable, water quality management should be strengthened to maintain water quality, cool, clear, dissolved oxygen high transparency of 40 cm or more. Management, one is appropriate to deepen the water level, keep the pond normal water level at about 1.5 meters. Second, the hot season, changing the water once every 3 to 4 days, each changing the water 30