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本文基于1994~2014年间的省级面板数据,通过构建土壤环境与农业经济增长的VAR模型,在区域层面检验与分析了我国土壤环境与农业经济增长之间的相互关系。研究结果表明:农业经济增长对土壤环境的影响以及土壤环境对农业经济增长的影响都存在明显的区域差异,对于前者而言,西北、东北地区所受影响最大,西南地区所受影响最小,验证了西北、东北地区的农业经济增长对土壤环境的破坏力度相对较高,西南地区破坏力度相对较小。对于后者而言,西南地区所受影响最大,华中、华南地区所受影响较小,这说明西南地区目前土壤环境比较优良,对农业经济可持续发展能带来更大的增长空间,而华中、华南地区土壤环境已经欠佳,能为地区农业经济增长提供的动力较小。
Based on the provincial panel data from 1994 to 2014, this paper tests and analyzes the relationship between soil environment and agricultural economic growth at the regional level by constructing a VAR model of soil environment and agricultural economic growth. The results show that there are obvious regional differences in the impact of agricultural economic growth on soil environment and the impact of soil environment on agricultural economic growth. For the former, the impact is the greatest in Northwest and Northeast China and the least in Southwest China. Verification In the northwestern and northeastern regions, the agricultural economic growth had a relatively high degree of damage to the soil environment and the destruction in the southwestern region was relatively small. For the latter, the Southwest China is the most affected, while the Central China and South China have less impact, which shows that the present soil environment in southwest China is relatively good, which will bring more room for growth of sustainable agricultural economy. However, the soil environment in southern China is not yet good and can provide less impetus to agricultural economic growth in the region.