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新洲县凤凰公社石骨山大队第一生产队,为了解决棉麦两熟用地养地的矛盾,促进粮棉稳产高产,从1974年冬播开始,在20亩新平整的低丘陵黄土地上进行了棉麦两熟两肥耕作改革试验示范。即冬季在冬播大、小麦时的预留棉行中套种箭舌豌豆作为棉花底肥;夏季大、小麦收割后,又在棉行中套种短期绿肥柽麻,作为棉花蕾花肥。其中有2.16亩三结合试验地进行了单收。两熟两肥地比不种两肥的对照,每亩少施豆饼40斤,土粪1060斤,大麦亩产275斤,仅比对照的280斤少收5斤;而棉花亩产,两熟两肥地
Xinzhou County, the first production team of the Shizuishan Brigade of the Phoenix Commune, in order to solve the contradiction between the two land use of cotton and wheat to promote stable and high yield of grain and cotton, from the winter of 1974 began in 20 acres of new flat low hills and loess ground Cotton and wheat two cooked two fattening reform experiment demonstration. That winter winter broadcast in large, wheat, when the cotton reserve inter-planted tongue pea cotton as a base fertilizer; Summer, wheat harvest, but also in the cotton intercropping short-term green manure flaxseed, as cotton bud flower fertilizer. Of which 2.16 acres of three combined test conducted a single income. Two ripe and two fat than non-fat two-fat control, less mu per acre applied 40 pounds, soil manure 1060 pounds, 275 tons of barley per mu, only 280 kg less than the control received 5 pounds; and cotton yield, Two fat land