【摘要】 一直以来,干旱灌区盐碱地形成机理研究、盐碱地改良利用研究是干旱灌区盐碱地研究的主要内容。本文比较系统地阐述了盐碱地形成的影响因素、近年来国内干旱灌区水盐运动机理研究概况,并对盐碱地改良利用方法作了比较全面的总结,对盐碱地的合理开发利用和改良实践中所用的一些区划方法做了综合阐述。更多还原

【Abstract】 Formation mechanism and improve0ment and utilization of the saline-alkali soil are the main research contents in the arid irrigation areas.The paper systematically expatiates on the factors that have influenced the formation of the saline-alkali soil and general descriptions on mechanism of water-salt transport researches in the arid irrigation area in recent years in China,and comprehensively summarizes the methods of its improvement and utilization,and also elaborates some zoning methods of reasonable development and practical utilization.更多还原