我国是一个森林资源比较少的国家,森林的重要性已越来越被人们所认识.但工作实践从正反二方面告诉我们,要获得预期的经济效果,适应四化建设的需要,在林业生产上必须切实采取科学育苗、科学造林、科学管护等方面的技术措施.尤其在植树造林时首先必须认真贯彻“适地适树”的原则,就是说,要将树木栽在它生长最适宜的地方.也就是要使造林树种 Our country is a country with relatively few forest resources, and the importance of the forest has been recognized more and more by people.However, the work practice tells us from the pros and cons that in order to obtain the expected economic results and meet the needs of the four modernizations, In production, we must earnestly adopt technical measures in scientific nurturing, scientific afforestation, scientific management, etc. In afforestation, we must first of all conscientiously implement the principle of “adapting to the tree properly”, that is, to plant the tree in the most suitable place for its growth That is to make afforestation species