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(一)稻田养虾工程选择水质良好、水量充足的田块进行稻田养虾,面积5～50亩(1亩≈667平方米,下同)为宜。田埂应加宽、加高、加固。沿田埂内侧四周开挖环形养虾沟,沟宽1.0～2.0米,深1.0～1.5米。面积在20亩以上的,还要在田中
(A) rice paddy shrimp project Water quality is good, adequate water for paddy field shrimp, an area of 5 to 50 acres (1 mu ≈ 667 square meters, the same below) is appropriate. Tian 埂 should be widened, elevated, reinforced. Along the inner side of Tian Tian excavation ring shrimp ditch, furrow width of 1.0 to 2.0 meters, 1.0 to 1.5 meters deep. An area of more than 20 acres, but also in Tanaka