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1、http://www.xtlute.com/http://www.xtghzg.com/http://www.jt-china.cn/http://www.sdxtsy.com/解读如何合理的选择大树移栽时期Readhowtoreasonablychoosethetreetransplantingperiod大树处置的主要内容包括:依据树种移栽成活的难易水平做断根处置，截冠处置。关于需移植中干径小于15cm且移栽易成活的大树，若是带土球正常时节移栽，可不用停止断根处置。而关于干径大于20cm的大树，特别是名优种类，移栽前的断根处置是非常必要的。亦即在移
2、栽前2~3a的春季或秋季，以树干为中心，以胸径的6~8倍为直径画圆，先在圆形相对的两段东弧和西弧(或南弧和北弧)向外挖宽30~40cm、深50~70cm(详细深度依树种根系的深浅而定)的环形沟，翌年按同样的办法挖另两个方向的环形沟。Treedisposalofthemaincontentsinclude:accordingtotreetransplantingsurvivalincreasedlevelofdifficultydodisposal,cutcrowndisposition.Abouttheneedtotransplantdrydiamet
3、erislessthan15cmandtransplantingsurvivalofthetrees,ifnormaltimeoftransplantingwithsoilball,canbeincreasedwithoutstop.Onstemdiametergreaterthan20cmtalltrees,especiallyfamoustypes,transplantingofformerdisposalisverynecessary.I.e.beforetransplanting2~3ahttp://www.xtlute.com/http://
4、www.xtghzg.com/http://www.jt-china.cn/http://www.sdxtsy.com/springorautumn,centeredonthetrunk,to6~8timesofthediameteratbreastheightdiameterofacircle,inthefirstroundofrelativelytwoDuanDongarcandarc(northorsouthofarcandarc)digout30~40cmwide,deep50-70cm(detaileddepthdependsonthedep
5、thofthetreeroots)oftheannulargrooveandthefollowinginthesamewaytodigtheothertwodirectionsofannulargroove.沟挖毕，回填肥土并分层夯实，然后浇透水。这样，第3a沟内长满须根，即可起大树了，应急时，等1次断根后数月即可移栽。修剪的目的是显而易见的，主要是为了坚持树木公开、地上两局部代谢均衡。修剪强度要详细状况详细剖析，树冠愈大，根部愈裸，伤根愈多，生根愈难;时节愈反，愈应加大修剪强度，尽可能减小树冠的蒸腾面积。修剪后剪口可用塑料薄膜、凡士林、石蜡或植物专用
6、伤口涂补剂包封。Ditchdug,backfillsoilfertilizerandhierarchicalcompaction,andthenpourwater.So,3aditchfulloffibrousroot,canbeabigtree,emergency,suchasincreased1monthsaftertransplanting.Pruningisthepurposeoftheobvious,mainlyinordertoadheretotheopen,thetwotreeslocalmetabolicbalance.Pruningi
7、ntensitytoadetailedsituationhttp://www.xtlute.com/http://www.xtghzg.com/http://www.jt-china.cn/http://www.sdxtsy.com/analysisindetail,thegreaterthecrownofatree,therootsofthenakedandthemorerootdamage,takerootandharder;Seasonthereverse,moreshouldintensifythepruningintensity,reduce
8、thecanopytranspirationareaasmuchaspossible.Afte
