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商邱县地处豫东平原,全县总耕地面积151.42万亩,其中盐碱地20.3万亩,占耕地面积的13.4%。该县属暖温带季风气候区,光、热、水、气候资源宜于植棉。由于该地普遍存在旱、涝、碱、薄等问题,棉花生产长期低而不稳。我们选择位于黄河故道背河洼地的商邱县谢集乡作为盐碱地植棉开发研究示范基点。盐碱和瘠薄是限制该乡棉花生产的两个主要因素。盐碱土占耕地面积的80%以上,盐碱土类型以氯化物——硫酸盐盐土、硫酸
Shangqiu County is located in the eastern Henan Plain, the county a total area of 1,514,200 acres of arable land, of which 203,000 acres of saline land, accounting for 13.4% of arable land. The county is warm temperate monsoon climate zone, light, heat, water, climate resources suitable for cotton. Due to widespread drought, waterlogging, alkali, thin and other issues, cotton production is low and unstable long-term. We choose located in the back of the Yellow River ancient city Qiuqiu Xie Jixian cotton as a saline-alkali soil development demonstration base. Saline and infertility are the two main factors limiting cotton production in this township. Saline and alkaline soil accounted for more than 80% of arable land, saline-alkali soil type chloride - sulfate salt, sulfuric acid