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化肥深施是施肥技术上的革新,是经济合理用肥的科学方法。近几年来,我县农业技术干部和农科员及广大贫下中农一起,进行了化肥基、追肥深施的试验、示范和推广工作。实践证明,化肥深施增产效果显著。我县各试验点平均每亩用碳铵35斤,作基肥深施的比面施的每亩增产生谷33.4—80.6斤,作追肥深施的比撒施的每亩增产生谷
Fertilizer deep application of fertilizer technology innovation, economic and rational use of fertilizer is a scientific method. In recent years, the county agricultural technology cadres and agricultural workers and the majority of poor and middle peasants, carried out fertilizers, top-dressing test, demonstration and promotion. Practice has proved that deep fertilization significantly increase production. Each county in our county each test point with ammonium bicarbonate 35 pounds, for basal fertilizer application than the surface of each yield increase of 33.4-80.6 kg per mu, as the top dressing for fertilizer than the yield of acre increased valley