肥料是农业增产的物质基础。随着密植和深耕,合理增施肥料,有着更重要的意义。1959年我们在20个县调查了110块早稻丰产田,对施肥的几个问题进行了初步总结。(一)不同亩产的施肥量调查的早稻丰产田,所施肥料,除少数田块施有少量化肥外,绝大部分是农家肥料。如 Fertilizer is the material basis of agricultural production. With close planting and deep plowing, a reasonable increase in fertilizer, has a more important significance. In 1959 we surveyed 110 high-yielding early-crop fields in 20 counties and made preliminary summary of several problems of fertilization. (A) fertilizers of different mu yield survey Early morning rice fertilizers, fertilizers, with a small number of fields with a small amount of fertilizer, the vast majority of farmers fertilizer. Such as