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市场需求大杨树在我国分布极广,不论营造防护林或用材林,杨树都是主要的造林树种。尤其近十多年来,我国杨树造林面积不断扩大,已成为世界上杨树人工林面积最大的国家。杨木除一般作民用材(农民用于建房、做家具、烧柴)外,目前已成为重要工业用材。它主要用于术心板、胶合板(薄板、多层板)、细木工板、中密度纤维板、刨花板、造纸、火柴和包装业等。特别是近几年来高附加值的新产品,如装饰板、单板层积材、定向结构板以及低
Market demand Big poplar is widely distributed in our country, whether to create shelterbelt or timber forest, poplar are the main afforestation species. In recent 10 years, the area of afforestation in our country has been expanding constantly and has become the largest poplar plantation in the world. Poplar except for general civil timber (farmers for housing, furniture, firewood), has now become an important industrial timber. It is mainly used in heart board, plywood (veneer, plywood), blockboard, MDF, particle board, paper making, matches and packaging industries. Especially in recent years, high value-added new products, such as decorative panels, laminated veneer lumber, directional structure panels and low