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杨树是内蒙古自治区昭马达盟的主要造林树种。解放后三十多年来,全盟营造杨树人工林数百万亩,约占人工造林总面积的70%。由于杨树具有生长迅速,适应性强,繁殖容易,防护和经济价值高,宜于大办发展。不论建设国营速生用材林基地、社队小片速生丰产林、农田林网和四旁绿化,发展杨树,都大有可为,大有潜力。一、大力推广杨树良种我盟杨树资源丰富,乡土树种主要有小叶杨、小青杨、青杨、山杨、香杨、甜杨等。近十几年来,各地还因地制宜地引进选育了三百多个不同种类系号的杨树品种。经过普查鉴定,初步选定重点推广良种八个,试行推广品种十个。其中,较耐干旱、瘠薄、
Poplar is the main afforestation tree species in the Inner Mongolia Autonomous Region Zhao Ma Da League. Over the past thirty years after liberation, the alliance has set up several million mu of poplar plantations, accounting for about 70% of the total area planted by afforestation. As poplar has rapid growth, adaptability, easy reproduction, protection and high economic value, should be greatly expanded. Whether it is building a state-owned fast-growing timber base, fast-growing and high-yielding forests of small pieces of communes and brigades, greening of farmland and the greening on all sides and the development of poplars, there is great potential and great potential. First, vigorously popularize poplar varieties My poplar resources are rich, native tree species are Populus simon, Populus, poplar, aspen, Yang, sweet poplar and so on. In the past ten years or so, poplar varieties of more than 300 different kinds of system numbers have also been introduced in various places according to local conditions. After census identification, initially selected eight key varieties to promote, try out 10 varieties. Among them, more resistant to drought, barren,