松嫩平原盐碱化土地的修复与调控研究

Study on the recovery and control of the alkili-saline lands in Songnen Plain

松嫩平原盐碱土是世界三大苏打盐碱土集中分布区之一 .近年来 ,由于自然因素和人为因素的共同作用 ,盐碱化土地面积逐年增加 ,盐碱化程度不断加深 ,严重影响到该区国民经济、社会和生态环境的可持续发展 .从其成因入手 ,根据盐碱化的强度和特征 ,着眼于自然恢复与植物修复 ,并辅以人工调控 ,从而促进盐碱化土地逐渐向良性方向发展 .

The alkili-saline land in Songnen plain is one of the three largest soda alkili-saline lands in the world.In recent years,due to the natural and human factors,the proportion of alkili-saline land kept increasing and the salinization became more and more serious,which disturb the sustainable development of the local economy,society and ecological environment.Beginning with the cause of the salinization in Songnen plain,based on its degree and character,this article paid emphasis on natural recovery and phytoremediation,with manual control so as to help it evolve to a better condition.