杨树生长迅速,适应性强,用途广,是主要造林树种之一。建国以来,全省营造起杨树人工林267万多亩,在绥化、嫩江地区的人工林中,杨树占50%以上,对改善生态平衡,减免自然灾害起到重大作用,并提供了部分用材。但由于缺乏适宜的速生良种,经营管理粗放,多数为低产林,还有些幼中林成片死亡,影响着林业的发展。 Poplar grow rapidly, adaptability, wide use, is one of the main afforestation species. Since the founding of the People’s Republic, the province has constructed 2.67 million mu of poplar plantations. Among the plantations in Suihua and Nenjiang areas, poplar accounts for more than 50% of the total poplars. It plays a significant role in improving ecological balance and reducing natural disasters and provides some timber. However, due to the lack of suitable fast-growing elite, extensive management and management, most of them are low-yield forests, and some young trees died in dying and affected the development of forestry.