摘要
本文在分析包头市1987—2006年粮食生产变化情况的基础上,选取粮食播种面积、粮食单产、农业劳动力、农业机械总动力、化肥施用量、农作物受灾面积、有效灌溉面积、农村用电量和农业固定资产投资等9个对粮食生产影响较显著的因子,运用灰色关联分析法对影响包头市粮食生产的诸因素进行灰色关联分析,量化了粮食总产量与诸因素的关联程度,依据关联度值,总结了各因素对粮食产量的影响能力。
Based on the analysis of the change of grain production during 1987-2006 in Baotao city ,The eight impact factors such as the area of grain were selected according to the grey system theory, factors affecting grain production in Baotao city were analyzed and correlative degree between factors and grain production were quantitatively measured. Based on changes of the order of correlation, the inpact abilities of different factors were summarized.
出处
《阴山学刊(自然科学版)》
2010年第2期56-60,共5页
Yinshan Academic Journal(Natural Science Edition)
关键词
粮食产量
灰色关联分析
包头市
grain production
Grey Correlation
Baotou city