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用材林的幼林抚育方法是否得当 ,关系到树木干材的优劣。因而幼林管理除了施以水肥外 ,还应确定适宜的密度。幼林密植是指在树木低龄期(一般定植后 3~ 4a ,干茎粗达到5~ 7cm )适当增加密度 ,利用其在密植条件下的顶端生长优势 ,培养优良干形。待树干达到理想高度后 ,对临?
Timber forest nursery tending method is appropriate, related to the merits of the tree dry material. Therefore, young forest management in addition to water and fertilizer, but also to determine the appropriate density. Seedling planting in young stands refers to appropriately increasing the density at low ages of trees (usually 3 to 4 years after colonization and from 5 to 7 cm in stems and stems), making use of its top growth advantage under close planting conditions to cultivate fine stems. After the trunk reaches the desired height, right?