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绍兴县孙端镇畈里周村农民谢如兴,自1989年以来,利用二层楼上60平方米的平台养殖河蟹,年获利近2000元。屋顶养殖河蟹技术简单易行,其具体作法是:在平台四周砌上2米高的围墙(1.5米以上部分四周贴上玻璃);在围墙1.5、1、0.5米处和底部分别安装排水管道,以便及时排水;配备一台小型高压水泵用于注入新水;在池底铺上20厘米厚的泥土,用砖头、瓦片建模拟蟹洞,提供河蟹栖息环境。
Xie Ruxing, a farmer from Zhoucun Village, Sun Duan Town, Shaoxing County, has used crabs and crabs of 60 square meters on the second floor since 1989 to make a profit of nearly 2,000 yuan a year. Roof culture crab technology is simple, its specific approach is: build a wall around the platform 2 meters high walls (more than 1.5 meters around the glass part of the paste); in the wall 1.5,1,0.5 meters and the bottom were installed drainage pipes, Equipped with a small high-pressure pump for injecting fresh water; 20 cm thick soil at the bottom of the pool; modeling crab holes with bricks and tiles to provide crab habitat.