杨树品种多,分布广,生长快,适应性强,繁殖方法简便,成活容易,生长旺盛,树形美观,成材早,是用材林,防护林以及四旁绿化的速生树种。达茂联合旗地处阴山丘陵区内蒙古高原的前沿,是西伯利亚寒流南袭的前哨。气候比较干燥寒冷,年平均气温1.3°～3.1℃,年降水量270～340毫米,无霜期95～110天,土壤多为黄砂土和盐碱土,除适宜种植一些生长期短、耐低温的作物外,多以牧业为主。林少盐碱多,是这个地区的主 Poplar varieties, wide distribution, fast growth, adaptability, reproductive methods are simple, easy to survive, vigorous growth, beautiful tree, timber as early as timber, shelterbelts and green trees around the fast growing species. Damao United Flag is located in the forested area of ​​Inner Mongolia Plateau in the Yinshan hilly area and is the outpost of the Southerly Cold Precipitation in Siberia. The climate is relatively dry and cold, the annual average temperature of 1.3 ° ~ 3.1 ℃, the annual rainfall of 270 to 340 mm, frost-free period of 95 to 110 days, mostly yellow sand soil and saline soil, in addition to suitable for planting some short growth period, low temperature resistant crops , Mostly animal husbandry. Lin less salt and more, is the Lord of the region