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毛白杨是我国特产优良树种。为大量发展毛白杨,群众在生产实践中创造了多种方法,特别是无产阶级文化大革命以来,群众性插条育苗实验研究蓬勃开展,并取得了可喜的成果。但是在当前,一般当年育苗或留根、留茬圃地均有大批等外苗条,充分利用等外条(苗)来进行繁殖,是多、快、好、省地发展毛白杨的一个重要方面。两年来,我们试用了多种方法,利用毛白杨等外条(苗)育苗,并取得一定成效。事实证明,毛白杨等外条(苗)的利用大有可为。现将我们采取的几种方法简介如下:
Poplar is an excellent tree species in our country. In order to develop Populus tomentosa in large quantities, the masses have created many kinds of methods in the practice of production. Especially since the Great Proletarian Cultural Revolution, experimental researches on mass nurturing seedlings have flourished and gratifying achievements have been made. However, at present, in general, a large number of other seedlings such as nursery or root-leaving and stubble-holding nurseries have been popularized in the general year. It is an important aspect to develop Populus tomentosa more, faster, better and more economically. . In the past two years, we have experimented with a variety of methods to make use of Populus tomentosa and other outer strips (seedlings) nursery, and achieved some success. Facts have proved that Populus and other strips (seedlings) the use of promising. Now we take a few methods are summarized as follows: