Saline-alkali land management and countermeasures of sustainable agricultural development in Songnen Plain

The current situation of resources and the new technologies of management of saline-alkali land are introduced in this paper．And the countermeasures of management of the saline-alkali land are put forward such as planting rice on saline-alkali waterlogged lowland，reclaiming the low output dry land in saline-alkali land，restoring the saline-alkali grassland，nursing the saline-alkali wet land，developing fishery in the saline-alkali lakes ．