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《果树修剪英文版》PPT课件

上传者:学习一点 |  格式:ppt  |  页数:44 |  大小:1504KB

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ageObjectivesoftrainingA.EstablishastrongtreeframeworkB.FacilitatemanagementoftreeandcropC.HarvestsunlightefficientlyD.MaintainproductivitybyrenewingfruitingwoodBalancedRenewalA.EstablishaStrongTreeFrameworkUprightverticaltrunkWelldistributedscaffoldsWidecrotchanglesStructuralWoodEstablishaStrongTreeFrameworkVerticaltrunkWellDistributedScaffoldsEstablishaStrongTreeFrameworkWidebranchanglesarestrongerNarrowanglesareweakandincreaseshadinginsidecanopyAStrongTreeFramework:MajorobjectiveofthefirstthreeyearsMustlastthelifetimeofthetreeStructuralsupportforfruitcropShouldnotbecrowdedB.FacilitateManagementoftheTreeandCropHeightofprimaryscaffoldsDistributescaffoldswellTreeuniformityTreesizeFacilitateManagement:?1.esstotreebaseIrrigation,herbicides,fertilizersAllowairmovementtominimizediseasepressure

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