我国有机肥料的资源、利用、问题和对策

针对化肥施用量不断增加、有机肥施用比例逐渐下降的现实，介绍我国有机肥料资源和利用现状，论述有机物对土壤、作物的作用；提出发展我国有机肥料的对策（推行平衡施肥、开发利用城市有机肥源、积极发展绿肥、秸秆还田），虽然施用化肥仍是补充土壤中氮磷钾营养元素的重要手段，但强调施用有机肥，对于资源利用和防治环境污染都具有重要意义。

Issues on utilization of domestic organic fertilizer resources and its countermeasure

In view of increasing application of chemical fertilizer and gradually decreasing proportion of organic fertilizer, the resource, utilization and issues of organic fertilizer in China are discussed, then the roles of organic fertilizer to soil and crop are also introduced, finally some countermeasures for development of domestic organic fertilizer are presented, such as extending balanced fertilization, utilizing civic resources of organic fertilizer, developing green manure, and changing straw and stalk to manure. The viewpoint is emphasized that the application of chemical fertilizer is still an important measure to replenish N, P & K nutrients in soil, however utilization of organic fertilizer has an active significance to make good use of resource and protect environment.