林业是国民经济的重要组成部分 ,发展造林事业 ,扩大大森林资源 ,不仅生产大量木材及林副产品 ,还起到涵养水源 ,保护水土 ,防风固沙 ,调节气候 ,保障农牧业生产等保护生态环境作用。近几年来 ,各地区对如何提高造林成活率的问题比较重视 ,但发展很不平衡 ,部分地区 ,肓目追求? Forestry is an important part of the national economy. Developing afforestation and expanding large forest resources not only produce large quantities of timber and forest byproducts, but also conserve water, protect soil and water, stabilize the wind and sand, regulate the climate, and ensure the ecological environment for the production of agriculture and animal husbandry effect. In recent years, all regions have paid more attention to how to improve the survival rate of afforestation, but the development is uneven. In some areas, is it pursued?