四中全会通过的中共中央《关于加快农业发展若干问题的决定》中确定,“要集中力量营造西北、华北、东北一线防护林体系”。这是根据我国林业建设中长期存在的主要矛盾,做出的重大战略部署,这项工程建成,会从根本上 The CPC Central Committee’s “Decision on Several Issues Regarding Accelerating Agricultural Development” passed by the Fourth Plenary Session of the National People’s Congress confirms that “we must concentrate on building a front-line shelter forest system in the northwest, north and northeast regions.” This is a major strategic plan that has been made in accordance with the major contradictions in the long-term forestry construction in our country. When this project is completed, it will be fundamentally