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农村推行生产责任制后,农民自觉学科学,用科学,施用化肥日益增加。为了使农户了解农家肥和化肥在农业生产中的不同特点,及其结合施用的科学道理,以便利用冬闲季节抓紧农家肥的积攒和沤制,并要有计划、看土地、视作物提早备好化肥,做到科学用肥,合理用肥。有机肥料和化学肥料为什么要结合施用?
After the implementation of the responsibility system for production in rural areas, farmers consciously study science, use science, and use fertilizers are increasing day by day. In order to make farmers understand the different characteristics of farmyard manure and chemical fertilizers in agricultural production and the scientific principles of their application in order to take advantage of the winter leisure season to pay close attention to the accumulation and development of farmyard manure and to plan and look after the land and treat the crops as early as possible Fertilizer, science and fertilizer, rational use of fertilizer. Why organic fertilizers and chemical fertilizers should be combined with the application?