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(一)稻田要求用于罗非鱼养殖的稻田应选择水源充足,土质以壤土、粘土或半沙土为宜,田埂须加高到50厘米、宽30厘米,不漏水。开挖鱼沟须在离田埂50厘米处,再在稻田中间纵向挖1条、横向挖2条沟宽分别为100厘米和60厘米、深80～100厘米的鱼沟。进出水口设在稻田对角线处。进排水口
(I) Paddy fields require paddy fields for tilapia culture should choose adequate water, soil with loam, clay or semi-sand is appropriate, field boil should be raised to 50 cm, 30 cm wide, watertight. Fish ditch excavation should be 50 cm away from the stubble, and then in the middle of a paddy field to dig a vertical excavation 2 ditch width of 100 cm and 60 cm, 80 to 100 cm deep fish ditch. Inlet and outlet located at the diagonal rice fields. Into the drain