Qhov sib txawv ntawm tsob ntoo tawv ntoo ua rau cov lus nug ntawm tsob ntoo cuam tshuam li cas rau kev puas tsuaj. Phau ntawv qhia no muab cov lus teb nkag siab. Nrhiav seb tsob ntoo tawv ntoo hlob li cas ntawm no.
Puas ntoo tawv ntoo rov qab?
tsob ntoo tawv ntoo hlob rov qab los ntawm kev faib cov kab mob cambium ntawm ntug kev raug mob thiabwalling hla qhov sib txawv limuab ntoo. Kev tsim cov ntoo qhov txhab tsis tuaj yeem ua tau yog tias cov tawv ntoo puas tag nrho ib puag ncig thiab tsis muaj cambium rau overgrowth.
tsob ntoo puas nyob tsis muaj tawv?
Rau ib tsob ntoo, qhov poob ntawm cov tawv ntoo yogfatal Txoj hauv kev rau kev thauj cov khoom tseem ceeb hauv metabolic (assimilates) khiav los ntawm cov tawv ntoo ntawm lub crown mus rau hauv paus. Yog hais tias cov tawv ntoo raug tshem tawm ntawm lub cev hauv ib lub nplhaib ob peb centimeters dav los yog noj tam sim ntawd los ntawm cov tsiaj, cov khoom noj khoom haus rau cov hauv paus hniav tuaj yeem sawv ntsug thiab tsob ntoo tuag. Tsis tas li ntawd, ntoo tawv ntoo muab kev tiv thaiv tseem ceeb rau ntoo tiv thaiv cua thiab huab cua, kab mob thiab kab tsuag.
Hloov ntoo li cas?
Ntoo tawv ntoo muaj peb txheejBark,BastthiabCambium. Lub bark lies tiv thaiv saum ntoo, xyuas kom meej tias lub cev loj hlob thicker thiab kaw qhov txhab qhib tom qab kev puas tsuaj. Nov yog qhov tsob ntoo ntoo loj tuaj:
- Cambium tsim cov hlwb sab hauv thiab bast hlwb sab nraud.
- Bast cells txav mus rau sab nraud nrog lub hnub nyoog zuj zus thiab tuag.
- Bark forms from dead bast cells.
- Thaum puas lawm, cov tawv ntoo hlob rov qab zoo li cambium puv qhov sib txawv li ntoo qhov txhab.
- tsob ntoo uas tau muab tshem tawm hauv ib lub nplhaib tsis loj hlob rov qab vim kev tsim cov ntoo qhov txhab tsis tuaj yeem ua tsis tau vim tsis muaj cambium.
Tip
Restore ntoo tawv ntoo
Koj puas paub tias koj tuaj yeem kho cov tawv ntoo uas puas lawm? Thaum bark qhov txhab maj mam kaw, cov sapwood thiab heartwood raug sab laug defenseless tawm tsam los ntawm pathogens. Nrog rau kev kho koj nrawm qhov kev loj hlob ntawm qhov txhab ntoo. Txiav cov npoo ntawm lub qhov txhab kom du thiab txhuam txhua yam khoom tuag. Siv lub qhov txhab kaw rau cov npoo ntawm qhov txhab los yog siv cov av nplaum kho nrog cov ntaub qhwv.
