楊樹是怎麼繁殖的?
楊樹播種、分蘖、扡插毓。苗木側枝多,生長期尖注意及時修枝、摘芽以提高苗木質量。
楊樹起苗:春季宜在三月上旬至萌芽前栽植。起苗前一星期內灌足水補充樹體水分,起苗時根幅大小為苗木地徑的5~8倍即可,可不帶土球,裸根栽植。

楊樹用地膜包裝主幹,或用草繩纏繞。傷口用漆或礬士林塗抹,防止水分損失。運輸途中應避免碰掉樹皮、劈裂主枝。
栽植楊樹:miaomuyundaohoulijizaizhi,zaiqiankeyongshenggenfenerhaorongyetuzaigendeqiekouchu,cushishenggen,zaizhishi,jiangmiaomufangrukengneifuzheng,biantiantubianyongmugunyanshugendefengxidaoshi,zhizhitiandaoyudimianxiangpingweizhi。

楊樹栽zai植zhi完wan後hou應ying立li即ji圍wei土tu堰yan,灌guan大da水shui一yi次ci。灌guan水shui後hou應ying全quan麵mian檢jian查zha,並bing用yong支zhi架jia固gu定ding。兩liang周zhou後hou再zai灌guan一yi次ci,然ran後hou培pei土tu墩dun保bao濕shi。以yi後hou視shi土tu壤rang幹gan旱han情qing況kuang開kai墩dun澆jiao水shui即ji可ke。

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