外文翻译.doc
- 文档编号:180185
- 上传时间:2022-10-05
- 格式:DOC
- 页数:8
- 大小:163KB
外文翻译.doc
《外文翻译.doc》由会员分享,可在线阅读,更多相关《外文翻译.doc(8页珍藏版)》请在冰豆网上搜索。
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
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 外文 翻译