文档介绍：安徽农业科学,Journal of Anhui Agri. Sci. 2012,40� 11�� 6851 - 6852,6854 责任编辑徐丽华责任校对况玲玲
基于熵权法的粮食产量影响因素权重确定
李俊�, �
西京学院管理系陕西西安 710123
摘要选取乡村从业人员数量、农业机械总动力、农作物有效灌溉面积、粮食作物播种面积、化肥施用量、农村用电量、受灾面积和成灾
面积等 8 个主要因素作为粮食产量影响因素,运用熵权法给出了粮食产量影响因素权重确定方法,并运用 1985 ~ 2005 年相关数据,实例
分析了我国粮食产量影响因素的权重。结果表明,农村用电量对粮食产量的影响最大,其次是农业机械总动力、化肥施用量和成灾面
积。要提高粮食产量,必须加大机械化程度,将人从以往的直接耕种过程中解放出来,并要加强水利工程建设,做好防灾减灾工作。
关键词粮食产量�熵权法�因素�权重
中图分类号 S5 - 33 文献标识码 A 文章编号 0517 - 6611� 2012� 11 - 06851 - 02
Weight Determining of Factors Influencing Grain Output Based on Entropy Weight Method
LI Jun � Department of Management,Xijing University,Xi’an,Shaanxi 710123�
Abstract This article selects 8 main factors � the number of rural employees,total power of agricultural machinery,effective irrigation area of
crops,growing area of grain crops,fertilizer consumption,electricity consumption in rural areas,area affected and area covered� as the factors
influencing grain output,and offers the method of determining weight of factors influencing grain output using entropy weight method. According
to the relevant data in the period 1985 - 2005,we analyze the weight of factors influencing grain output in China by example. The results show
that the electricity consumption in rural areas has the greatest impact on grain output,followed by total power of agricultural machinery,fertilizer
consumption and area covered. T