1　田块选择与设施养虾稻田必须保水性能好 ,能排能灌 ,土质粘土或壤土 ,ｐＨ7.5～ 8.5,稻田宜长方形、东西向。田埂筑成高出田面 1ｍ ,宽 60～ 80ｃｍ ,夯实防漏。在田中开挖虾沟、虾槽 ,沟宽 80～ 10 0ｃｍ、深 60ｃｍ以上 ,呈“井”字形。在虾沟交叉点挖虾槽 ,槽深 1ｍ以上 1 field selection and facilities Shrimp farming paddy field must be good water retention, irrigation can row Pai, soil clay or loam, pH7.5 ~ 8.5, paddy fields should be rectangular, east-west. Tian 埂 built into the field above the surface 1m, width 60 ~ 80cm, solid leakproof. In Tanaka excavation shrimp ditch, shrimp trough, groove width 80 ~ 100cm, more than 60cm deep, was “well” glyph. Dig shrimp trough at the shrimp ditch intersection, groove depth 1m above