摘要
通过选取要素投入指标,利用因子分析方法,提取出吉林省粮食产量主要影响因子,即物质投入能力所占比重为50.291%,水资源保障能力为19.281%,劳动投入能力占11.246%,积温保障能力最小,为6.316%,据此提出相应的政策建议。
By using the method of factors analysis,this article extracted production factors of grain in Jilin province through selecting inputs index.The ability of material input accounted for 50.291%,the ability of water resources guarantee accounted for 19.281%,the ability of labor input accounted for 11.246%,and the indemnify of accumulated temperature accounted for 6.316%,which is the minimum part.Then we put forward relevant policy suggestions.
出处
《中国食物与营养》
2011年第5期21-25,共5页
Food and Nutrition in China
基金
吉林省科技厅项目"吉林省增产百亿斤粮食路径研究"(项目编号:20080614)
关键词
粮食产量
影响因素
因子分析
grain yield
influencing factor
factor analysis