杨树是当前国内外营造丰产林的主要树种,它具有速生、适应性强、易繁殖、轮伐期短的特点,其材质优良,用途广,受到广大群众的喜爱。在适生条件下,采取科学的栽植技术,实行集约经营,一般5年可成椽材,8年成柱材,10年成檩材,15年成柁材。杨树迅生丰产林的营造既解决了木材短缺问题,又发挥了其生态效益,因此,我们应大力发展。我区营造杨树速生丰产林已由 Poplar is currently the main tree species for planting high-yield forests both at home and abroad. It has the characteristics of fast growing, adaptability, easy reproduction and short rotations. Its good quality and wide range of uses are favored by the general public. Under suitable conditions, take scientific planting techniques, the implementation of intensive management, generally 5 years into rafters, 8 years into a column, 10 years into a timber, 15 years into a timber. The cultivation of poplar fast-growing forest not only solves the problem of shortage of wood, but also exerts its ecological benefits. Therefore, we should make great efforts to develop it. My area to create poplar fast-growing forest has been