一、养虾稻田的选择与改造选水源充足,排灌方便,无污染,保水力强,面积(2000～4000)m2的稻田作养虾稻田,加高加固田埂,并开好虾沟虾凼。在稻田四周距田边1.5m处,开挖一圈环沟,上口宽(1.5～2)m、深0.8m左右,并在田间开挖“田”字型或“井”字型田间沟,同时在稻田一端开虾凼,深1m? First, the selection and transformation of shrimp farming Paddy water supply adequate, convenient irrigation and drainage, pollution-free, strong water retention, an area of ​​(2000 ~ 4000) m2 of paddy fields for shrimp paddy, heightening stigma, and open shrimp ditch shrimp Taipa. In the paddy field around 1.5m away from the edge of the ridge, a ring of ditch excavation, the mouth wide (1.5 ~ 2) m, about 0.8m deep, and in the field excavation “field” or “well” shaped field ditch , While open shrimp Taipa at one end of the paddy, deep 1m?