昭乌达盟宁城县甸子公社孙营子大队经过十年的艰苦努力,坚持造管并重,绿化了一万一千多亩宜林荒山,人均有林六亩。这个大队总面积两万三千多亩。过去有林面积不到千亩,水土流失严重,社员烧柴缺,用木材也难。一九七二年,大队党支部组织社员绿化荒山,从此坚持年年造林。十年共栽松树六千亩,槐七百 Zhaowuda Union Ningcheng Dianzi Sun Yingzi Brigade after ten years of hard work, adhere to the same tube, afforestation of Yi Linyi acres of barren hills, per capita forest six acres. The brigade has a total area of ​​23,000 mu. Past less than acres of forest area, serious soil erosion, members of firewood lack of wood is also difficult. In 1972, the brigade’s party branch organized green afforestation members and insisted on reforestation every year. Ten years planted a total of six thousand acres of pine, Huai seven hundred