【摘要】 浙江省粮食产量年际变化较大，给全省经济的持续发展带来了不良影响．影响浙江省粮食产量年际变化的主要因子有哪些？它们的贡献又各为多大？本文利用１９４９～１９９４年浙江省粮食产量资料，运用因子分解法，试图对此加以分析更多还原

【Abstract】 Based on grain yield data in Zhejiang during 1949～1994,the mean relative effect of grain sowing area and grain yield per unit area on the interannual variation of grain total yield are analyzed.The influence of the technological,social and meteorological factors on the interannual variation of grain yield per unit area also is discussed.With above considerations,the paper presents some corresponding measuers.更多还原