怎么种树英语作文
Springiswarm,it'sthebesttimetoplanttrees.Belowisaninstructiontofollow:Chooseatleastafivetosix-foottreegrowntonurserystandards.Selectasitewithenoughroomforrootsandbranchestoreachfullsize.Avoidoverheadandundergroundutilities.
Prepareaplantingareaasdeepastherootballandthreetofivetimesitsdiameterbylooseningthesoil.Digaholeinthemiddleofthearea.Inheavyclaysoil,plant2-3inchesabovethebaseofthetrunkflare(wheretherootsmeetthemainstem)ratherthanatorbelowtheoriginalgrowinglevel.Ifthesoilisverysandy,thenplantatgradesothatthesoilatthetopoftherootballdoesn'terodeordryout.Overall,planttherootballsothatoncesomesettlingofthesoiloccurs,thetrunkFLAREisatgradelevel.Usewatertosettlesoilandremoveairpocketsinplantingarea.
Stakethetreetoflexwiththewindonlyiftreeisunabletostanduptowind.Spreadatwotothreeinchlayerofmulchonentirearea,butnotwithinsixinchesoftreetrunk.
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