论文部分内容阅读
对林场银×新杨、银白杨、新疆杨3个杨树品种的生长特性进行了研究。结果表明:林场银×新杨在树木生长前期的生长量与银白杨、新疆杨无差异;林场银×新杨的速生期持续时间长,树木生长15年后林场银×新杨的生长优势逐渐显现出来。说明林场银×新杨适合营造栽植时间长的大径级用材林。
The growth characteristics of three poplar cultivars including silver × xinyang, silvery poplar and xinjiang poplar were studied. The results showed that the growth of Agropyron × Populus × euramerican forest had no difference with that of Populus tomentosa and Populus × euphratica at the early stage of tree growth. Revealed. Description of silver × Xinyang forest suitable for planting a long time to create large-diameter timber forest.