2、修剪切口要光滑,嚴防壁裂。茬高以1厘米-2厘li米mi為wei宜yi。過guo高gao過guo低di都dou會hui影ying響xiang創chuang麵mian愈yu合he和he樹shu木mu的de生sheng長chang。修xiu剪jian季ji節jie以yi早zao春chun或huo晚wan秋qiu和he冬dong季ji為wei宜yi。早zao春chun以yi樹shu液ye流liu動dong前qian為wei宜yi。如ru樹shu木mu發fa芽ya時shi修xiu剪jian,樹shu體ti水shui分fen蒸zheng騰teng快kuai,失shi水shui,消xiao耗hao養yang分fen多duo,不bu利li於yu樹shu木mu生sheng長chang。有you的de速su生sheng樹shu種zhong,如ru楊yang、柳等也可以夏季修枝。但是,注意不要在陰雨天修枝,以免傷口浸水,感染病害。
3、修枝要注意“冬剪枝,夏控側”。即(ji)冬(dong)季(ji)實(shi)行(xing)強(qiang)樹(shu)重(zhong)剪(jian),弱(ruo)樹(shu)輕(qing)剪(jian),重(zhong)點(dian)把(ba)直(zhi)立(li)強(qiang)壯(zhuang)的(de)競(jing)爭(zheng)枝(zhi)從(cong)基(ji)部(bu)修(xiu)掉(diao)。夏(xia)季(ji)實(shi)行(xing)強(qiang)旺(wang)枝(zhi)重(zhong)控(kong),控(kong)強(qiang)留(liu)弱(ruo),把(ba)樹(shu)勢(shi)調(tiao)整(zheng)均(jun)衡(heng),掌(zhang)握(wo)強(qiang)側(ce)打(da)頭(tou),壯(zhuang)枝(zhi)重(zhong)剪(jian),弱(ruo)枝(zhi)輕(qing)剪(jian)、小枝多留的原則,以達到突出主幹,促進樹木加快生長的修剪目的。
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