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春马铃薯/玉米-稻是近三年在益阳市郊发展起来的一种新耕作制度,它能充分利用本地的自然资源,提高复种指数,改善土壤生态环境,具有较好的经济效益、社会效益和生态效益。据调查,春马铃薯/玉米-稻亩产粮食1150.4公斤,总产值为1321.36元,每亩纯收入达1107.83元,比绿肥双季稻亩增粮食210.7公斤,纯收入增加727.92元,增189.7％。春马铃薯块茎既可作主食,又可丰富城镇居民淡季的蔬菜供应,茎叶可
Spring Potato / Corn - Rice is a new farming system developed in the suburbs of Yiyang in the past three years. It can make full use of local natural resources, improve the multiple cropping index, improve the soil ecological environment, and have good economic, social and social benefits Ecological Benefits. According to the survey, spring potato / corn - rice mu produce 1150.4 kilograms of grain, with a total output value of 1321.36 yuan, net income per acre 1107.83 yuan, 210.7 kilograms more than the green manure double crop rice mu, net income increased 727.92 yuan, up 189.7%. Spring potato tubers can be used as staple food, but also enrich the urban supply of vegetables off-season, stems and leaves can be