合理分配化学氮肥甘肃农机化学校李占卿农业部在全国各示范县推广的化肥深施技术对提高肥料利用率和降耗节本起了很大作用。为了更好地发挥氮肥在不同生产条件下的增产效果，各地在积极推广化肥深施技术的同时，必须因地制宜地合理分配适宜的肥料品种和用量。其分配要点如... Rational distribution of chemical nitrogen Gansu Agricultural Mechanization School Li Zhanqing Ministry of Agriculture in various demonstration counties in the country to promote the technology of deep fertilizer fertilizer to improve fertilizer utilization and reduce consumption section played a significant role. In order to give full play to the stimulation effect of nitrogen fertilizer under different production conditions, all localities must actively allocate suitable fertilizer varieties and dosage according to the local conditions while actively promoting the deep fertilization technology. The distribution of points such as ...