In this paper studies on the composition, properties and transformation of soil organic matter as their relation with soil forming fractors in the past four decades in China were breifly reviewed. The effect of organic manure on soil fertility and plant growth was discussed. And the importance of the integrated management of organic manure and chemical fertilizer in agriculture was emphasized.
文启孝.我国土壤有机质和有机肥料研究现状[J].土壤学报,1989,26(3):255-261. Wen Qixiao. A REVIEW ON THE STUDIES OF SOIL ORGANIC MATTER AND ORGANIC MANURE IN CHINA[J]. Acta Pedologica Sinica,1989,26(3):255-261.