本文系中国农科院院长、中国农学会会长为《中国绿肥》写的序言。该书由焦彬等人主编,即将由农业出版社出版发行。序言对我国“草业”科学体系的建立、促进农区种草的快上和指导绿肥生产的发展都有着十分重要的意义。我们特此转载。 This article is the president of Chinese Academy of Agricultural Sciences, president of Chinese Agricultural Society for the “Chinese green manure” written in the preamble. The book edited by Jiao Bin and others, about to be published by the Agricultural Press. The Preamble is of great significance to the establishment of a scientific system of “grassland industry” in our country, quickening the grass planting in rural areas and guiding the development of green manure production. We hereby reprint.