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ID:22297456
大小:1.47 MB
页数:44页
时间:2018-10-20
《树木的整形与修剪英文版》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、TrainingandPruningBasicsObjectivesandToolsStrongTreeFrameworkBalancedRenewalFacilitateManagementHarvestSunlightEfficientlyMaintainProductivityWhathappensifyoudonotprune?FastergrowthEarlierfruitingLesslightpenetrationPoorspraycoverageMoredifficulttoman
2、ageObjectivesoftrainingA.EstablishastrongtreeframeworkB.FacilitatemanagementoftreeandcropC.HarvestsunlightefficientlyD.MaintainproductivitybyrenewingfruitingwoodBalancedRenewalA.EstablishaStrongTreeFrameworkUprightverticaltrunkWelldistributedscaffolds
3、WidecrotchanglesStructuralWoodEstablishaStrongTreeFrameworkVerticaltrunkWellDistributedScaffoldsEstablishaStrongTreeFrameworkWidebranchanglesarestrongerNarrowanglesareweakandincreaseshadinginsidecanopyAStrongTreeFramework:Majorobjectiveofthefirstthree
4、yearsMustlastthelifetimeofthetreeStructuralsupportforfruitcropShouldnotbecrowdedB.FacilitateManagementoftheTreeandCropHeightofprimaryscaffoldsDistributescaffoldswellTreeuniformityTreesizeFacilitateManagement:1.HeightofPrimaryScaffoldsAccesstotreebaseI
5、rrigation,herbicides,fertilizersAllowairmovementtominimizediseasepressureFacilitateManagement:2.DistributeScaffoldsWellEasyentrytotreeThinning,pruning,harvestingGoodpesticidecoverageFacilitateManagement:3.TreeUniformityEasiertotrainemployeesMechanizat
6、ionpossibleFacilitateManagement:4.TreeSizeSmalltreesareeasiertoworkNoladdersneededEasytoreachallpartsoftreeBetterspraypenetrationFacilitateManagementoftheTreeandCropOptimizeheightofprimaryscaffoldsAllowspaceattreebaseDistributescaffoldswellDonotovercr
7、owdscaffoldsTreeuniformityLimittreesizewithsummerandwinterpruningC.HarvestSunlightEfficientlyMaximizesurfaceareaoforchardcoveredbycanopyLimitcanopydepthHarvestSunlightEfficiently:1.MaximizesurfaceareaoforchardcoveredbycanopyMostrapidinhighdensityplant
8、ingsHarvestSunlightEfficiently:2.LimitCanopyDepth50%30%LightIntensityDecreasesWithintheTreeCanopyHarvestSunlightEfficiently:2.LimitCanopyDepthPhotosynthesisDecreasesatLowerLightLevelsHarvestSunlightHarvestEfficiently:PoorfruitcolorPoorfruitdis
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