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柳树优良无性系是江苏省林业科学研究院“七五”、“八五”期间研究取得的成果。为了推广这些优良无性系,系统介绍了滩地柳树优良无性系的选择、苗木培育、造林地的选取、造林苗木规格、栽植密度、栽植和抚育管理及间伐等工业用材林培育技术。
The excellent clones of willow trees are the fruits of the research made by Jiangsu Academy of Forestry Sciences during the “75” and “85” periods. In order to popularize these elite clones, the selection of fine clones of willows in the beach land, selection of nursery stock, selection of afforestation sites, planting seedling specifications, planting density, planting and tending management and thinning and other industrial timber planting techniques were introduced systematically.