科左后旗地处科尔沁沙地腹地，沙化、碱渍化越来越严重。１９９８年秋，旗委、政府将种树种草，加快生态建设作为全旗经济发展的大事来抓，确定了从１９９９～２００３年人工造林２００万亩，封沙育林育草２７０万亩，公路绿化５０００公里，森林覆盖率达到２０％左右的战... Branch left after the flag is located in the hinterland of Horqin sand, desertification, alkali stains more and more serious. The autumn of 1998, the flag appoint, the government will plant trees and grass to speed up ecological construction as the banner of the economic development of the major task to grasp, identified from 1999 to 2003 2000000 acres of afforestation, sand sealing and afforestation 2700000 acres, highway greening 5000 km, the forest coverage rate reached about 20% of the war ...