An approach into the renovation and establishment in the feed-crop-ground of water-saving type in central-west grassland of Inner Mongolia Autonomous Region

There is a widespread of deteriorated grassland in the central-west part of Inner Mongolia．The productivity is deereaseing in a big extent，the quality of plant population deding，the soil desertification area enlarging，the river shrinking，a large tract of oasis vegetation withering away．Since 2000，the farmlands have been returned back tO the graslands and the artificial feed-crop-grounds have been established everewhere．However，some problems also emerged ，such as theun-stabelity of artificial grasland eco-system ，the waste of water resources，the benefit of part construction being falling behind the injury in large area and lacking of the ecological safety．The strategies of renovating each part，removing the animals tO other places ，setting up the system of eco-safety of gr assland，pluralizing the industries and building up feed-crop bases of water-saving type，have been put forward．