为揭示福建省粮食单产的波动变化和影响粮食单产的人文社会因素，获取福建省统计年鉴中1986～2012年的若干组基础数据作为影响因子，依据主成分分析原理在SPSS操作平台下进行福建省粮食单产的影响因素分析。结果表明：27年以来福建省粮食单产呈波动上升趋势，其中前20年增长速度保持持续增长，后续产量达到最高值后趋予稳定。运用主成分分析结果，将影响福建省粮食单产的人文社会因素归结为经济要素，人口、农业投入与运输要素，消费与投入压力要素3方面。鉴于经济要素的贡献最大，提出依靠经济发展是促进福建省粮食单产、提高粮食生产能力的主要途径。%In order to reveal the change of grain yield per unit area in Fujian Province and humanities factors, with basic data from Fujian Sta-tistical Yearbook during 1986-2012 as influencing factors, according to principle of principal component analysis, factors influencing grain yield per unit area in Fujian Province were analyzed based on SPSS platform.The results showed that, the grain yield per unit area indicated upward trend of fluctuation, the first 20 years maintained sustainable growth and subsequent yield tend to be stable after reaching the highest value.Using principal component analysis result, humanities and social factors were concluded as three aspects of economic factors, popula-tion, agricultural inputs and transportation factors, consumption and investment pressure factors.It was proposed that relying on economic de-velopment is the main way to promote the grain yield and improve grain production capacity of Fujian Province.
展开▼
