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民勤县地处甘肃省石羊河下游的盐分堆积区。土壤普遍积盐较多,尤以东北部的湖区更为严重,据该县第二次土壤普查结果表明,全县盐碱土面积19万亩,占耕地面积的17.78%,主要分布在湖区的西北、夹河东南部及井水灌溉的昌宁、昌盛等乡镇,其盐碱土类型主要为硫酸盐盐土和氯化物盐土,对作物生长发育危害较大,因此,做好盐碱土的改良和利用,对促进农业生产持续、稳定向前发展具有重要意义。
Minqin County is located in the lower reaches of Shiyang River in Gansu Province salt accumulation area. The soil salt accumulation is generally more, especially in the northeast lake area is more serious, according to the county second soil census results show that the county saline-alkali soil area of 19 mu, accounting for 17.78% of arable land area, mainly in the Lake District, northwest , Southeastern Jiahe and well watering Changning, Changsheng and other towns, the main types of saline-alkali soil sulfate salt and chloride salt soil, the crop growth and development more harmful to Therefore, the improvement and utilization of saline-alkali soil, and Promote the continuous, steady and forward development of agricultural production is of great significance.