This article analysis the quantitative relations between the single quality of a colony of rice plant and the density, output and economic coefficient.
本文分析了水稻群体的个体质量分别与密度、产量和经济系数之间的数量关系；
The effect of plant density on grain yield was also not significant for rice variety tested, the optimum plant density was about300,000 to375,000 hills per ha .
供试水稻品种的植株密度对籽粒产量的影响也未达到显著水平，最佳植株密度为每公顷300，000~75，000篼。
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