Ntxhais tsob ntoo yog dab tsi?

Cov txheej txheem:

Ntxhais tsob ntoo yog dab tsi?
Ntxhais tsob ntoo yog dab tsi?
Anonim

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.

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
Nyeem ntxiv

Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

Puas yog acetamide muaj ntxhiab tsw?
Nyeem ntxiv

Puas yog acetamide muaj ntxhiab tsw?

Cov tshuaj acetamide yog cov tshuaj acetic acid-derived uas tau txheeb pom tias yog tsw zoo li ammonia lossis vinegar. Nws tseem yuav cling rau qhov chaw uas musculus nyob rau hauv pw tsaug zog thiab yuav tau txais zaub mov scrounge. Vim li cas acetamide yaj hauv dej?

Kuv puas tau mob plawv?
Nyeem ntxiv

Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.