稻、鱼、鸭模式,即在稻田地里养鸭,水面下养鱼,稻、鱼、鸭三位一体,互利共生。鸭子吃虫除草,其粪便肥田,又可作为饵料;鱼、鸭游动又能促进田间空气流通,提高水稻产量;尤其是对改良盐碱土壤,促进水稻生长,具有明显效果。 1.田间工程水稻栽培采用 “垄稻沟鱼”式。垄宽1米,沟宽 Rice, fish, duck mode, that is, ducks in the paddy fields, fish, water, rice, fish, ducks Trinity, mutual benefit and symbiosis. Ducks eat weeds and insects, their fecal fertilizer, but also can be used as bait; fish, ducks swim and can promote the flow of field air to improve rice production; especially for the improvement of saline-alkali soil and promote rice growth, with significant results. 1 field engineering rice cultivation using “ridge rice ditch fish ” style. Ridge width of 1 meter, groove width