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        今日楊樹苗特價

        發布時間:2017-08-12 14:43點擊量:
        107是由中國林科院張绮紋研究員等人從我國1984年引自意大利的"美洲黑楊×歐洲黑楊"無性系中選育而成。該品種曾獲得能源部1991年科技進步三等獎。適合我國淮河、黃河流域及遼河流域以南地區種植,也適合西北地區種植。其材性良好,杆型優美,樹冠窄,側枝細,葉滿冠,抗病蟲,抗風折。木材基本密度爲0.322g/cm3,纖維長度爲1044.4mm,1%NaOH抽取物爲16.64g。胸徑年均增長量2.5-6.0cm,年樹高增長量2.0-5.0m,3-4年間伐可作紙漿材及民用材,7-8年主伐可成爲杆莖材。育苗每畝3000-3500株,造林每畝110株,間伐後每畝出材55株。