化肥的施用,对发展现代农业和提高作物产量起了很大作用。农村实行生产责任制后,由于农民不了解过量施用化肥,不但妨碍作物吸收利用,造成减产损失,还会污染农业环境的危害性,重化肥,轻有机肥,使化肥施用量不断增加,而施用方法又不科学,单施、偏施、干施、面施、撒施化肥的现象比较普遍,使化肥效益下 The application of fertilizers has played a significant role in the development of modern agriculture and in the improvement of crop yields. Since the implementation of the responsibility system for production in rural areas, farmers do not understand that the excessive use of chemical fertilizers will not only hinder the absorption and utilization of crops, but also result in the loss of production and the harmfulness of the agricultural environment. Heavy chemical fertilizers and light organic fertilizers will increase the application of chemical fertilizers. Method unscientific, single application, partial application of facilities, dry facilities, facilities, the phenomenon of spreading fertilizer is more common, so that the benefits of chemical fertilizer