Present Situation,Existing Problems of Controlled Release Fertilizer Research and Countermeasures

On the base of research data about controlled release fertilizer, in this paper we expounded the definition of controlled release fertilizer, explained the difference between controlled release fertilizer and slow release fertilizer. We also analyzed the present situation on coated materials, coating technique,discussed the existing problems on research and industrialization of controlled release fertilizer, and puts forward strategy according to the problem. The last, we prospected the research and development in the future.