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介绍了《GB 7908-1999林木种子质量分级》国家标准的研究和制定过程,介绍了我国149个主要造林绿化树种种子质量分级标准及数值,说明了新国家标准比旧的有哪些提高,吸收了那些国际先进的科技及其实用价值。
This paper introduced the research and formulation process of the national standard of “GB 7908-1999 forest seed quality classification”, introduced the seed quality grading standards and numerical values of 149 major afforestation tree species in China, and explained the new national standards which had higher than the old ones and absorbed Those international advanced technology and its practical value.