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实践证明:稻田养蟹每667平方米年可产蟹150～200千克,产稻谷500千克左右,产值高达4000～5000元,比单种水稻效益高5～6倍。稻田养蟹技术是: 1.稻田选择 应选择水源充足,排灌方便,保水性好,不受污染的稻田。 2.稻田处理 在稻田四周和中央开挖深0.8～1米、宽1～1.2米的蟹沟,使成“田”字形。要求横、竖沟相通。田中央设圆形或方形蟹池一个,深1.2～1.5米,面
Practice has proved that: rice crabs can produce 150-200 kilograms of crab per 667 square meters of annual output of rice, about 500 kilograms of rice, the output value of up to 4,000 to 5,000 yuan, 5 to 6 times higher than the single benefit of rice. Catch rice technology is: 1. Paddy should choose a sufficient choice of water, irrigation and drainage convenience, water retention, pollution-free rice fields. 2. Paddy field around the paddy fields and the central excavation of 0.8 to 1 meter deep, 1 to 1.2 meters wide crab ditch, making a “Tian” glyph. Requirements horizontal, vertical groove interlinked. Tian Central Square set a round or square crab pool, deep 1.2 to 1.5 meters, noodles