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紫椴是我省珍贵阔叶树种之一。木材轻软,纹理细致,不翘裂,富有弹性,可供制做家具、器具,并是良好的胶合板、铅笔杆、火柴杆等轻工用材。为了探讨紫椴苗分级造林的效果,我们于1983年春在新宾县陡岭林场进行了紫椴苗分级造林的试验,现将造林后的试验结果整理如下。一、试验方法试验用1年生紫椴苗,为新宾县陡岭林场提供。植苗前首先确定苗木分级标准,然后按标准将苗木分成Ⅰ、Ⅱ、Ⅲ级,将其按3个重复区栽植;在每区中,依Ⅰ、Ⅱ、Ⅲ
Tilia is one of the precious hardwood species in our province. Light and soft wood, fine texture, not cracking, flexible, for making furniture, appliances, and is a good plywood, pencil rod, matchstick and other light materials. In order to investigate the effect of grading afforestation of Tilia amurensis, we conducted the trial of grading afforestation of Tilia amurensis in Douling Forest Farm, Xinbin County, in the spring of 1983, and the results of afforestation experiment are as follows. First, the test method Test 1-year-old Tilia seedlings, for Xinbing County, stepping Ridge Forest Farm. Before seedling, seedling grading standards were first determined, and then the seedlings were divided into Ⅰ, Ⅱ and Ⅲ according to the standard and planted in 3 repetitive areas. In each area,