我国从上世纪80年代引用生态农业理论以来,已逐步形成了具有中国特色的生态农业理论、方法和模式。但是,随着人类社会的不断发展,人口持续增长和对产品需求的不断提高,全球性的生态资源和生态环境问题日趋严重。所以,加大植树造林力度,尤其是发展经济林,提高森林覆盖率,是促进 Since the introduction of the theory of ecological agriculture in the 1980s, our country has gradually formed the theory, method and mode of ecological agriculture with Chinese characteristics. However, with the continuous development of human society, the continuous population growth and the increasing demand for products, the global ecological resources and ecological environment have become more and more serious. Therefore, to increase afforestation efforts, especially the development of economic forests, improve forest coverage is to promote