苗木是造林的物质基础。过去,人们都把杉木看成是一咱较难培育的苗木,多在春暖花开时,才开始下种,往往在整个育苗过程中,出现花工大成本高,加之幼苗生长期间短,形成病害多、质量差等问题,难以培育优质苗木。为了落实毛主席“绿化祖国”的伟大指示,1971年以来,开展了冬季育苗的科学实验,结果如下: Seedlings are the material basis for afforestation. In the past, people regarded cedar as a more difficult nurturing seedlings, and more in the spring when the flowers began to grow, often in the whole nursery process, there is a large cost of flower workers, combined with short seedling growth period, the formation of disease Many, poor quality and other issues, it is difficult to cultivate high-quality seedlings. In order to implement Chairman Mao’s great directive of “greening the motherland,” since 1971, a scientific experiment in winter seedling raising has been carried out with the following results: