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从1993年起,我们进行了稻田养蟹高产高效试验,取得了较好的经济效益。 1.试验条件 试验在柳堡乡柳堡村曹圩组夏存政家稻田进行,该稻田具有水源充裕,水质清新,注排水方便的优势。稻田总面积0.5公顷,四周开挖环圩河,田中间开十字沟,河深1.2米,沟深0.6米,环圩内青坎5米,河沟外坡比1:1,内坡比1:3,河沟面积为0.2公顷。土质为沙壤土,透气性能
Since 1993, we conducted high-yield and high-efficiency experiments on rice crab farming and achieved good economic benefits. 1. Test conditions The experiment was carried out in Xiacun Zhengjia rice field of Liupu Village, Liupu Village, Liubao Township. The paddy field has the advantages of abundant water, fresh water and convenient drainage. The total area of paddy field of 0.5 hectare, surrounded by excavated around the Wei River, cross the middle of open cross the valley, the river 1.2 meters deep, furrow 0.6 meters, green ridge within the ring 5 meters, the outer groove ratio of 1: 1, slope ratio of 1: 3, river ditch area of 0.2 hectares. Soil as sandy loam, breathable performance