我国粮食产量影响因素的通径分析

The path analysis of grain yield in China

通过通径分析,认为单产与化肥施用量是影响我国粮食总产量的主要因素。应通过科技进步与精耕细作来增加粮食产量。

This paper applys path analysis on the influential elements of grain yield.The result indicates that the per unit area grain yield and chemical fertilizer application play the most important role. In order to increase the grain yield, we must improve the level of science and technology.