论文部分内容阅读
一、虾蟹池塘生态高效混养模式(表1)(l)池塘(网围、网箱)条件及有关设备设施(1)池塘面积:每只池面积5一9亩。(2)池塘条件:池宽40米左右,水深1.2米。(3)进出水口设施:水泵底部用皮网包好,水泵出水口用60目纱布过滤。(4)配备设各设施:每只池配弓时水泵1只,2,2千瓦增氧机l只。2.改善养殖环境方法蟹池养殖用水先经鱼池过滤,鱼池水在进入蟹池前用1克/米3漂白粉消毒,养殖池通过种植伊乐藻和放养螺蜘净化水质,每年用3~4次有益生物菌。3.苗种放养(l)准备工作:晒池20天,敌鱼挣清塘,施复合肥,种草。(2)苗种放养前用2毫克/升三氯异氰尿酸消毒巧~30分钟。4_饲料投喂
First, the shrimp crab pond ecological polyculture mode (Table 1) (l) ponds (net enclosures, cages) conditions and related equipment and facilities (1) pond area: each pond area of 5 to 9 acres. (2) pond conditions: pool width of 40 meters, 1.2 meters deep. (3) access to the outlet facilities: the bottom of the pump wrapped with a mesh, pump outlet with 60 mesh gauze filter. (4) equipped with facilities: each pool with a pump when the bow, 2,2 kilowatts aerator l only. 2. Methods to improve the culture environment Crab culture pond water by the first fish pond filtration, fish pond water before entering the crab pool with 1 g / m 3 bleach disinfection, culture pond by planting Elodea and stocking Spirulina clean water every year with 3 to 4 Secondary beneficial biological bacteria. 3. Seed stocking (l) Preparation: sun pool 20 days, the enemy fish to make clear ponds, Shi compound fertilizer, planting grass. (2) Seed stocking with 2 mg / L trichloroisocyanuric acid disinfection clever ~ 30 minutes. 4_ feed feeding