哲里木盟地处科尔沁沙地腹部,沙地、沙化土地面积大,分布广,约占全盟土地面积的52.7％。解放后,哲盟人民一直积极寻求防治土地沙化的有效措施。60年代末70年代初,林业工作者在兴隆召林场飞播5.6万亩,经调查成效率在50％以上。这一尝试的成功,拉开了盟飞播造林治沙的序幕。自1978年三北防护林体系工程建设开始 Jericho League is located in Horqin sandy land abdomen, sandy land, sandy land area is large, widely distributed, accounting for 52.7% of the alliance land area. After the liberation, the people of the ZEPSE have been actively seeking effective measures to prevent desertification. In the late 1960s and early 1970s, forestry workers flew over 56,000 mu of forestry plantations in Xinglong County, and the efficiency of the survey was above 50%. The success of this attempt opened the prelude to ally planting and forestation. Since 1978, the Three North Shelterbelt project began