苏联认为森林在发展国民经济和改善生态环境方面起着巨大作用。它是世界上进行大规模更新造林的国家之一。在造林工作上,按照自然条件和森林植物条件的差异,将全国划分为若干区。每个区又按照土壤和其它条件的不同,划分各个类型。对每个类型的造林整地方法、树种选配、混交方式、造林方法都制订了标准设计。并在全国建立 The Soviet Union believes that forests play a huge role in developing the national economy and improving the ecological environment. It is one of the countries in the world for large-scale reforestation. In afforestation work, according to the differences of natural conditions and forest plant conditions, the whole country will be divided into several districts. Each district according to different soil and other conditions, the division of various types. For each type of afforestation and soil preparation methods, tree species matching, mixed mode, afforestation methods have developed a standard design. And established in the country