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当前少(免)耕的研究和应用推广已受到各国的重视。四川省农科院作物所曾于1964—1965年、1973—1974年分别在院内和德阳等地进行过试验示范,1981年在广汉县作进一步试验示范取得良好的效果;1988年在全省3千多亩稻田上扩大试范,少(免)耕移栽油菜和少(免)耕直播油菜都收到了增产增收的效果。其产量比常规翻耕增产5％左右(8公斤左右)。免耕、少耕每亩节省柳耕费分别为15元、5元,人工费5元,除草
The current research and application promotion of less (free) farming has received the attention of all countries. Sichuan Academy of Agricultural Sciences Crops in 1964-1965, 1973-1974, respectively, in the hospital and Deyang and other places were tested and demonstrations in 1981 in Guanghan for further experimental demonstration achieved good results; in 1988 in the province 3 A thousand mu of rice fields to expand the trial, less (free) tillage transplanting rape and less (free) plowing rapeseed have received the effect of increasing production and income. Its yield than regular tillage by about 5% (about 8 kg). No-tillage, less plowing per acre Liu Liu costs were 15 yuan, 5 yuan, labor costs 5 yuan, weeding