植树造林、退耕还林和生态重建是极为重要的.治理沙化耕地,控制水土流失,防风固沙,增加土壤蓄水能力,可以大大改善生态环境
Afforestation, returning farmland to forest is forest and ecological reconstruction is very important. Desertified land, to control soil and water loss, windbreak and sand fixation, to increase the soil water storage capacity, can greatly improve the ecological environment