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1、大连商务职业学院涉外旅游专业人才培养方案商务外语学院Stems,rootcausemechanicaldamage,loopingrootamputationatthewoundtopreventinfection.(3)categorytreeseedlings:aspindleshouldhaveauniformdistributionofmainbranches,branches,trunkdiameterabove3.0CM;maketreesofbroadleavedtreesbranchheightshouldberelativelyconsiste
2、nt,with3-5mainbranch,trunkdiameterofnotlessthan4cm,branchpointisnotlessthan2.5M;coniferoustreeswiththespindle,thereareprimary.(4)shrubsclassseedlings:tuftedtypeshrubsrequirementsirrigationbundlefull,andmaincollateraldistributionuniform,andmainbranchnumbernotlessthan5branch,atleasthas
3、3branchaboveirrigationhighreachedprovidesstandard;creepingtypeshrubsrequirementsatleasthas3branchabovemainbranchreachedprovidesstandardlength;vinehealthseedlings,andshouldpointsbranchuniform,andmainarticlenumber5branchabove,andmainarticlediameter1.0CMabove;goingitalonetypeshrubsrequi
4、rementswithtrunk,andpointsbranchuniform,basediameterin2.0CMabove;hedgewithshrubsrequirementsirrigationbundlefull,andpointsbranchuniform,anddrylowerleavesnobare,Morethan2yearsold.Allplantsareshrubsshouldmeetthespecifications.(5)thesolitarytreesshouldbeselectedsingleplantingornamentalt
5、reeisbeautiful,highornamentalvalueofindividualplants.(6)designshouldbeselectedwhenthebushesplantedplantspecifications,floweringshrubssuchasrhododendronplantsshouldselectcoloruniformvarieties,plantingintervalanddensity.4,seedlingplantingprojectplantsshouldbelocatedaccordingtothedrawin
6、gs,andwithreferencetothenationalstandardandsuitabletoavoidlines,plantingpitsshouldbegreaterthantheminimumthicknessrequirements,plantingsoilbackfillcompactioninlayerstoensurethatplantsarefirmlyrootedintheground,supportedbylarge-sizeseedlingsheprimaryanalysisofsoilphysicalandchemicalpr
7、operties,suchaspests,disinfection,pestcontrolinadvance.GardenplantgrowthbyrequiredofminimumplantingsoilthicknessshouldmeetXiatable(constructionfigureShangindicateofexcept)vegetationtypeherbflowerlawntowassmallshrubsbigshrubsshallowroottreesdeeproottreessoilthickness30(CM)30(CM)45(CM)
8、60(CM)90(CM)
