为了促进保水剂在农业生产中的应用及其发展，笔者简述了保水剂的吸水机制，保水剂的主要种类及其特性，保水剂对土壤水分、土壤养分、土壤温度及土壤结构的调节机理，介绍了保水剂在农业生产中的应用技术及其应用效果，提出了保水剂应用中应注意的问题及发展前景。

In order to promote the application and development of super absorbent polymers in agricultural production, the author briefly stated the action mechanism, the main types and characteristics, and the regulatory mechanisms of super absorbent polymers on soil moisture, soil nutrients, soil temperature and soil structure, as well as introduced the application technology and application effects of super absorbent polymers in agricultural production. The problems that should be noticed in agricultural production of super absorbent polymers were proposed; also the development prospect was put forward.