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土壤盐碱化是一个世界性问题。中国目前盐碱荒地和盐碱障碍耕地面积超过0.33亿hm~2,其中具有农业发展利用潜力的盐碱地近0.13亿hm~2,占我国耕地面积的10%以上。酒泉市盐碱地面积大、范围广,土壤含盐量高低不一,治理难度高,给整个盐碱地改良整治带来了一定的难度。文章在全面分析了酒泉市耕地盐碱化现状、形成原因及治理存在问题等的基础上,提出了一些新的思路与治理对策,并总结分析了几种主要改良模式与治理成效。
Salinization of soil is a worldwide problem. At present, the area of saline-alkali wasteland and saline-alkali barrier farmland is more than 33 million hm ~ 2, of which nearly 130 million hm ~ 2 is the saline-alkali land with potential for agricultural development and utilization, accounting for more than 10% of the cultivated land in China. Jiuquan saline land area, a wide range of soil salt levels vary, difficult to manage, to the entire saline land improvement and rectification has brought a certain degree of difficulty. Based on a comprehensive analysis of the status quo of salinization of cultivated land, reasons for its formation and existing problems of governance in Jiuquan city, the article put forward some new ideas and countermeasures, and analyzed and summarized several major improvement modes and governance achievements.