湖北省中部地区是罗非鱼重要产地之一。近年来,当地大力推广稻田养殖罗非鱼,实现“一水两用、一田双收、粮渔双赢”。稻田内养殖罗非鱼,可利用罗非鱼的杂食特性,清除田中害虫和杂草。因其经常在田块中活动,能够起到疏松土壤的作用,其粪便又能为水稻生长提供天然肥料,因而可使稻谷增产5%~15%,每亩(1亩=667平方米,下同)又可产出罗非鱼30~50千克,其他成鱼50~75千克。 Central region of Hubei Province is one of the important origin of tilapia. In recent years, the local popularization of tilapia cultivation of rice fields, to achieve “water and dual use, a field double income, food and fisheries win-win ”. Farmed tilapia in paddy fields, tilapia omnivorous characteristics can be used to clear the field pests and weeds. Because of its regular activities in the fields, can play the role of loose soil, and its manure can provide natural fertilizer for rice growth, which can increase rice yield by 5% to 15% per mu (1 mu = 667 square meters, under The same) can produce tilapia 30 to 50 kilograms, other adults 50 to 75 kilograms.