研究和开发包膜控释肥料是肥料领域的新热点 ,其对提高肥料利用率和保护环境有着十分重要的现实意义。本文主要阐述了包膜控释氮磷肥料的养分释放运移机理、预测评价方法和作物吸收利用方面的研究进展以及应用前景 Research and development of coated controlled release fertilizer is a new hot topic in the field of fertilizer, which has very important practical significance to improve fertilizer utilization and environmental protection. In this paper, the mechanism of nutrient release and transport, prediction and evaluation methods and crop uptake and utilization of coated controlled-release N-P fertilizers and its application prospect