沿淮地区粮食作物生产因素灰色关联动态分析

The Grey Relational Dynamic Analysis of Food Crop Productive Factors along the Huaihe River Area in Anhui

分析影响沿淮地区粮食作物生产的７个主要因素，结果表明：化肥施用量和农机总动力是影响的最主要因素；粮食作物的播种面积和播种指数也是影响的重要因素。

The analysis of seven factors of food crop production along the Huaihe River area showed that fertilization and agricultural machinery were the main influential factors;Cropping area sown and its index were secondary factors.