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粮食产量与粮食安全历来都是政府部门关注的重要问题。利用1990—2011年中国粮食产量和化肥施用量数据,运用Eviews6.0软件对中国粮食产量和化肥施用量之间的相关性进行了线性回归分析,建立了一元线性回归模型,并对所构建的模型进行了显著性检验。检验结果表明:中国粮食产量和化肥施用量之间的相关性较强。最后,利用模型预测了2012年和2013年的粮食产量。
Food production and food security have always been the major concerns of government departments. Using the data of China’s grain yield and fertilizer application from 1990 to 2011, a linear regression analysis of the correlation between grain yield and chemical fertilizer application in China was conducted by using Eviews 6.0 software. A linear regression model was established and the constructed The model was tested for significance. The test results show that there is a strong correlation between grain yield and chemical fertilizer application in China. Finally, the model predicts food production in 2012 and 2013.