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一九七五年清水县推广了化肥深施法。经我们调查和贫下中农反映,此法好处多、增产显著。一、增产效果我们重点调查了四个大队九个生产队,在地力相似,栽培管理一致,品种、密度相同,施肥数量相等的麦田,进行了各种经济性状的调查分析,结果表明:无论那种化肥,深施都
In 1975, Qingshui County promoted the deep application of fertilizer. After our survey and the poor middle peasants reflected that this law has many advantages and increases yield significantly. First, the effect of increasing production We focused on the investigation of the four brigade production team of nine brigades, in similar ground fertility, cultivation and management of the same variety, density and fertility equal number of wheat fields, conducted a variety of economic traits survey and analysis showed that: no matter Fertilizer, deep facilities are