基于SPSS安顺市耕地生产效益分析

Analysis the Arable Land Benefit by the Methods of Multi-linear Regression Based on SPSS in Anshun

文章采用安顺市近8年统计年鉴中有关数据资料及其计算指标,选取5种影响耕地生产效益因素指标进行分析研究。运用SPSS统计软件,将影响因素作为自变量,耕地生产率为因变量,采用多元回归分析方法进行分析。结果表明:据回归模型,安顺市耕地生产率与农机总动力、地膜使用面积及有效灌溉面积比率呈正相关,而与化肥使用量及农药使用量呈负相关关系。通过分析,根据安顺市耕地利用特点,提出提高耕地生产效益的对策。

The article selected the 5 kinds of factors as independent variables,which used the data from 8 Statistical Yearbook in Anshun.Applying SPSS statistical software it analyzes to use the method of multi-linear regression between arable land benefit and its productivity factors.According to the regression model,these are analyzed on the impact of land-effective production of the leading factors.The results show that arable land productivity was positively correlated with total power of farm machinery、utilization area of plastic film and effective irrigation.But,it is negative correlation with averaging of chemical fertilizer and pesticide.To propose to solutions on improving land productivity,according to analysis result and land using characteristics.