本文综述了水稻土硅素肥力的研究现状 ,主要内容包括土壤中硅的形态 ,影响水稻土供硅能力的因素 ,判断水稻土供硅能力的方法及标准及改善水稻土供硅能力的技术措施 ,同时指出了水稻土硅素肥力今后研究的重点 . The main contents of this paper include the forms of silicon in soil, the factors that affect the ability of silicon supply in paddy soil, the methods and standards for judging the ability of silicon supply for paddy soil and the technical measures to improve the silicon supply capacity of paddy soil, At the same time, it points out the key point of future study of soil silicon fertility in paddy soil.