外文翻译.doc

外文翻译.doc

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学号：

0829024026

本科生毕业论文（设计）

外文翻译

题目：

Citygreeningprojectsthetreetansplanttechnology

院（系）Agricultureandlifesciences

专业班级Landscapeagricluture

学生姓名ShangZhongwen

指导教师（职称）XuYani（SeniorEngineer）

提交时间May2012

Citygreeningprojectsthetreetansplanttechnology

ZhaoHongmei

（Theningxiahuiautonomousregionpersonsplanforestryworkstations,

Ningxialund，756300）

AbstractThetreetransplantationisurbanlandscapeprojectofthekeytechnologylink.Fromthetreebeforetransplantationofpreparationandtransplantationoftreeplanting,digandaftertransplantationformaintenanceandmanagementoflinkssuchastreetransfertechniqueisintroduced,andthoughtthaturbangreeningtreestransplantationtoprovidethereference.

KeywordsCitygreenThetreeTransfertechnique

Withthedevelopmentofsocialeconomy,thetreetransplantationhasbecomeacitygreen,theUnitedStatesindispensablemeansandmeasures.Urbanandruralafforestationtreesplantedinthemethodofcommonlyusedtoadorndistrictscenicspots,andenhancetheafforestationeffect.Thetreetransplantrequiresinvestmentmorehuman,mechanicalequipmentandcapital,itisahightechnologycontentoftheproject.Nowthetransplantedtechnologyarepresentedhere.

1.Thetreeisthepreparationfortransplantation

1.1Thetreetransplantedbeforeprocessing

Treesselectedtotransplantinthenorthtrunkwithpainttomakeobviousmark,inordertodeterminethetreesYinandYangnoodles.Determinethetransplantseedlingsbeforetransplantationinaccordingtothespecificconditionshaveclip,suchascutting,eliminatetechnologyprocessing,bareroottransplantgenerallytakeheavyclip,tocutthebranches1/3to1/2.Taketheballcanbeappropriatelighttransplantcut,cuttoathirdofbranchcan.Cutcutwhenmouthsmustbesmooth,sectionnarrowasfaraspossible,clip2cmthickabovebranches.Evergreentreesbeforetransplantationgenerallydoesnotneedclip,evergreentreeswhilepruningshouldstay1~2cmsomewood,andmaynotstickrootcut.Cutthemouthshoulddaubpreservativesorpaint,orinplasticwrap,incaseofdiseasesandpestsviolationsanddecay.

1.2Plantholetoprepareandsoiltreatment

Accordingtothespecificationsoftheholeofplantingthetreesplantedthesizeofasoiltodecide,thanthebigtreerootspictureshouldbebigtuosoilor60~80cm,deep20~30cm,thepitwallshallbesmoothvertical,pitisdugwellbottombackfilling20~30cm.Plantsoiltochoosethewaterandfertilizer,gasandheatconditiongoodsoil.Generalusesandmixloess（2:

1）astransplantingthesoilaftertheycolonizeisgood,oneistherootsandaffinity.Inthebigtreeplanting,sedimentmixloesseasyandpasteitroots;2itistheatmosphereisgood,canincreasethetemperature,promotethesproutofrootsystem;Threeisdrainageperformanceisgood.Therainyseasoncanquicklyrowoffexcesswater,waterduringthedryseasoncanabsorbquickly,spread.

2.Transplantationofminingandplantingtrees

2.1Treestransplanttime

Thetreeinthetreestotransplantdormant,springandautumnseason2allcan,tothespringtreebeforeflowisthebest.InthenorthofChinaforlatemarchandApriloccurrencepeak,thistimethetreesalsoindormancy,treeSAPhasnotflow,thebestseasonfortransplantationtrees.

2.2Transplanttreemining

Miningbarerootseedlings,thefirsttoensuretheseedlingrootlessdamaged.Barerootminingisapplicabletosurviveeasily,diameteratbreastheight10to20centimetersofdeciduoustrees,arangeofrootontherootdistributionanddecide,fortheaverageDBHof8~10times,andalongtherootofdigundertheverticaltoseerootshallprevail,generaldeep80~120cm.Miningprocess,rootinthickwithsawncut,inordertoavoidsplittingtheroots.Whenthelateralrootallafterdigging,knockingdownandcutoffthetreeroot,trynottorootdamageskinandthey[3].Forgreentreesandnoteasytosurvivedeciduoustrees,transplantingmusttaketheball,soilballdiameterofthetrunkDBH7to10timesorso,theballcanbeingoodsoil,leveloff.Thewholeearthuptothebiglumpundersmallcone,soilwithgrassballcurtainorgrasstoMiMiboundtightlytopreventsoilballbrokenapart.Cranecraneseedlings,wireropeandsoilsurfacesin3cmthickballplacedpiecesofwood,inordertopreventthesoilforlocalstressballandtooloose.Ifsomeofthetreerootissandyloamsoil,can'tusegrassboundbundles,needlargewoodenboxes（DaZhubasket）device,maketheballisnoteasytospreadout,inordertotransport.

2.3Treetransportation

Inthetransportofthetreetopreventthetreebranchesfoldtheinjury,thetreeha