Girdling, tseem hu ua nplhaib-barking, yog kev tshem tawm tag nrho cov tawv ntoo(muaj cov cork cambium lossis "phellogen", phloem, cambium thiab qee zaum mus rau hauv xylem) los ntawm ib ncig ntawm tag nrho cov ncig ntawm ib ceg los yog lub cev ntawm ib tsob ntoo ntoo. Girdling ua rau muaj kev tuag ntawm thaj chaw saum lub girdle dhau sijhawm.
Vim li cas Ringbarking tua tsob ntoo?
Keeb kwm, tib neeg siv lub nplhaib barking ua ib txoj hauv kev los tswj cov ntoo pej xeem thiab cov hav zoov nyias nyias yam tsis muaj tsob ntoo. Hauv cov ntsiab lus yooj yim, lub nplhaib barking tua cov ntoo. Tsab saum lub nplhaib tuag yog tsob ntoo tsis rov qab qhov txhab. Nws kuj cuam tshuam qhov kev tiv thaiv ntawm tsob ntoo thiab muab tso rau hauv kev ntxhov siab.
Yuav tua tsob ntoo ntev npaum li cas?
Ua siab ntev thaum nrhiav cov txiaj ntsig, vim tias tsob ntoo yuav pom zoo kom txog thaum xav tau cov as-ham los ntawm cov hauv paus hniav zoo rau lub caij nplooj ntoo hlav tom ntej. Qee lub sij hawm nws yuav siv sijhawm ob xyoos rautsob ntoo tuag.
txhais li cas khi ib tsob ntoo?
Girdling yog ib txoj kev tua tsob ntoo yam tsis tau txiav. Girdling txiav cov tawv ntoo, cam-bium, thiab qee zaum cov ntoo sapwood nyob rau hauv ib lub nplhaib nthuav dav tag nrho ib ncig ntawm lub cev ntawm tsob ntoo (Daim duab 1). Yog tias lub nplhaib no dav txaus thiab tob txaus, nws yuav ua rau cov txheej cambium tsis loj hlob tuaj ua ke.
Ringbarking yuav tua tsob ntoo ntev npaum li cas?
Rau feem ntaulub canopy thiab pob tw saum lub girdling txiav, mus tas li wilting yuav mus txog hauv 24-48 teevnyob ntawm qhov loj ntawm tsob ntoo thiab ib puag ncig. Qhov girdling no yog ib txoj hauv kev zoo heev los tua cov ntaub so ntswg saum qhov txiav thiab cov teebmeem yuav luag tam sim.
