银白杨(ponues aeba)落叶乔木,树高30米,雌株树干略弯,雄株树干通直圆满,树冠开阔,冠幅达10—15米,深根性树种,根系发达,水平根长10米左右,根孽性强。 银白杨分布广,北从阿尔泰南至和田,东从奇台西至伊力河畔,都有银白杨栽培,表现出很强的抗性,在—30°5。C的极端最低温无冻害,在42°5,C的极端最高温、相对湿度低于20％,有时达到○的环境中亦能正常生长,较抗盐碱,土壤总含盐量达0.4％生长良好,达0.6％时生长较差,适生于土层深厚、沃肥、潮润的沙壤土。 Poplar trees (ponues aeba) deciduous tree, tree height 30 meters, the female plant trunk slightly curved, straight male trunk straight round, crown wide, crown width of 10-15 meters, deep roots tree species, root system, the horizontal root length of 10 meters Around, root sinful. Poplar Populus widely distributed in the north from Altai South to Wada, east from the Qitai West to the Yili River, there are poplar cultivation, showing strong resistance at -30 ° 5. Extreme low temperature C without freezing damage, at 42 ° 5, C extreme maximum temperature, relative humidity less than 20%, and sometimes ○ to the environment can grow normally, more than salt and alkali, the total soil salt content of 0.4% Good growth, up to 0.6% poor growth, suitable for deep soil, fertile, moist sandy loam.