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利用476m2温室和四口池塘(334m2,1333m2,3333m2,4333m2)共9333m2(合14亩)进行罗氏沼虾高产养成试验。温室培育大规格虾苗;土池适时清塘施肥,饲养中期及时调整日投饲率,调控好水质;后期强调采取综合措施,保证虾的顺利蜕皮和生长,以及提高商品虾的质量。经过四个月左右的饲养,平均每公顷产罗氏沼虾2031kg,合亩产135.4kg,最高亩产209.0kg,平均亩净利润4056.5元。
A total of 9333m2 (14 mu) of 476m2 greenhouses and four ponds (334m2, 1333m2, 3333m2 and 4333m2) were used for high-yielding cultivation of Macrobrachium rosenbergii. Greenhouse cultivation of large-size shrimp seedlings; soil pool timely clear pond fertilization, breeding medium-term timely adjustment of feed rate, regulate and control water quality; late emphasis on comprehensive measures to ensure the smooth molting shrimp and growth, and improve the quality of shrimp products. After four months of rearing, the average yield per hectare Macrobrachium 2031kg, a yield of 135.4kg, the highest yield 209.0kg, the average net profit of 4056.5 yuan.