关键词: 农业生产, 土壤盐渍化, 公共投资

Abstract:

Research on the negative impact of agricultural activities onto soil salinization is conducive to reasonably distribute public investment in agriculture,and to promote the coordinated development of production and the environment.Based on the status of soil salinity in our country,this paper analyzed the determinants of soil salinity.Furthermore, we explored the impact of agricultural activities on soil salinity using provincial panel data model.The results showed that irrigation and unit potash fertilizer input have significant impact on soil salinization.The larger irrigation area and potash fertilizer input per unit has,the higher soil salinization probability will be.In addition,the paper also found that irrigation and drainage have significant impact on soil salinization inhibition.Thus,addressing the negative impact of agricultural production activities on agricultural ecological environment and on the background of increasing agricultural public investment,this article suggests that the government should strengthen agricultural infrastructure construction and guide farmers to use reasonable agricultural production pattern in order to coordinate the development of agricultural production and agricultural ecological environment.