杨树是自治区平原的主要造林树种.它具有速生优质、适应性强、用途广和繁殖容易等特点,是“四旁”绿化、水土保持及农田防护林的主要造林树种之一,在林业生产中占有重要的地位.我场陆续营造了杨树林带和片林3000余亩,保存率85%以上,四年成椽材,亩均间伐收入五十多元,基本上达到了速生丰产.现就杨树大面积丰产栽培的技术,谈几点体会. Poplar is one of the main afforestation species in the Autonomous Region Plain, which is one of the main tree species for afforestation, soil and water conservation and farmland shelterbelts and has the characteristics of fast-growing high quality, adaptability, wide use and easiness of reproduction. It occupies in forestry production Important position.I field after another to create a poplar belt and more than 3,000 acres of forest, the preservation rate of 85% or more, four years into rafters, acres of average cutting income of more than fifty yuan, basically reached the fast growing. Large-scale tree cultivation techniques, talk about a few experiences.