本文根据中国农业科学院江苏分院1959—1961年进行的水稻密植试验结果,参考了江苏省各地进行的水稻密植试验,从分蘖与成穗数、根系和茎稈的发育、穗器官的发育与每穗粒数、叶面积的动态变化和干物质生产等方面,探讨了不同品种的合适密度,并对肥与密的相互关系及其运用问题,作了分析讨论。 In this paper, based on the results of paddy planting experiments conducted by Jiangsu Branch of Chinese Academy of Agricultural Sciences from 1959 to 1961, with reference to the close planting experiments conducted in various parts of Jiangsu Province, from the aspects of tillering and heading number, root and stem development, Grain number, leaf area dynamic changes and dry matter production, discussed the appropriate density of different varieties, and the relationship between fertilizer and density and its application problems, made an analysis and discussion.