【摘要】 在归纳总结哲里木盟中、低产田现状的基础上，分析了生物产量低的原因，结果表明：养分含量下降、土壤盐渍化、生态环境沙化、涝害、水土流失是造成中、低产的主要因素。并根据中、低产田的成因特点，提出相应的培肥改良措施更多还原

【Abstract】 On the basis of inducting and Summarizing present situation of middle-low field in Zhelimu league,reason of low yield on the soil was analysed.The result showed that the cause of middle-low yield were contect with soil nutrient decline salinization,desertification,waterlogging and erosion.And on the basis of cause of formation of middle-low field,methods of culturing and improving of soil were put forward in the paper.更多还原