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随着人口增长,土地可利用面积减少,大面积碱地成为我国干旱地区重要的后备土地资源,但目前部分干旱地区碱化严重,寸草不生、长年荒芜,是干旱地区植被重建的最大障碍。本书的内容包括:盐碱土的概括及其改良过程中存在的问题和发展方向;研究区盐碱土特征;实验用烟气脱硫石膏特征;烟气脱硫石膏改良盐碱土试验研究;烟气脱硫石膏改良碱土的洗冲定额;烟气脱硫石膏对盐碱土植物生长的影响;烟气脱硫石膏改良盐碱土的施用技术;烟气脱硫石膏的生态安全;烟气脱硫石膏改良干旱区盐碱土的效益。本书可为专业技术人员提供技术参考。