随着我国化肥工业的迅速发展,支援农业生产的化肥数量将日益增多。有的同志认为化肥多了,就可以完全代绿肥、猪塮等农家积制的有机肥料了。这是一种片面的和不切实际的想法。一些化肥施用量大,产量较高的资本主义国家,由于常年累月地单一使用化肥,不施有机肥料,造成了土壤理化性状变坏等许多不利于提高产量的消极因素,因此,他们也开始认识到施用有机肥料的必要性和重 With the rapid development of China’s fertilizer industry, the quantity of fertilizers supporting agriculture will increase day by day. Some comrades think that if more chemical fertilizers are available, they can completely substitute organic fertilizers produced by farmers in such fields as green manure, pigs and pigs. This is a one-sided and unrealistic idea. Some capitalist countries that use large quantities of chemical fertilizers and produce high yields have many negative factors that are not conducive to increasing their production because of the single use of chemical fertilizers over the years and the lack of organic fertilizers, resulting in the deterioration of the physical and chemical properties of the soil. Recognition of the necessity and weight of applying organic fertilizer