摘要
河南省是我国重要的粮食生产基地,其稳定的粮食生产对保障我国粮食安全具有重要意义。利用河南省29年粮食产量数据,应用主成分分析法(PCA)研究了河南省粮食生产的主要影响因素。分析结果表明,社会经济发展水平、农业科技进步和自然灾害是影响粮食生产的3个主要成分。根据影响粮食生产的主要因子,提出了稳定、提高粮食生产的具体建议和对策,为河南省粮食生产,政府正确决策提供了科学依据。
Henan province is the most important grain production base that is very important for food security in China. The main influencing factors on grain production were analysed based on Principal Component Analysis (PCA). The result showed that development of society and ebonomy,improvement of agricultural technology and natural disasters were the three primary factors influencing grain production. At last,some advices and measures for stabilizing and improving grain production were put forward.
出处
《干旱区资源与环境》
CSSCI
CSCD
北大核心
2010年第6期6-9,共4页
Journal of Arid Land Resources and Environment
基金
2007年度河南省政府决策研究招标课题(B104)资助
关键词
河南省
粮食生产动态变化
主成分分析
Henan Province
grain production
dynamic variety
Principal Component Analysis