Sapwood yog xylem cov ntaub so ntswg uas muaj sia nyob, feem ntau nyob ib puag ncig sab nraud ntawm tsob ntoo ntoo ntoo.
sapwood ntawm tsob ntoo nyob qhov twg?
Sab nrauv, active feem ntawm tsob ntoo uas cov hlwb tseem ciaj sia thiab metabolically nquag hu ua sapwood. Ib qho kev siv dav dua txhais tau hais tias sapwood yog band ntawm cov xim sib zog uas nyob ib sab ntawm cov tawv ntoo. Nyob rau hauv sib piv, heartwood yog cov darker xim ntoo pom nyob rau sab hauv ntawm lub sapwood.
Vim li cas sapwood yog ib feem tseem ceeb ntawm tsob ntoo?
Sapwood, tseem hu ua alburnum, sab nrauv, nyob txheej ntawm cov ntoo thib ob ntawm cov ntoo, uas koom hauv kev thauj cov dej thiab cov zaub mov mus rau lub crown ntawm tsob ntoo. Cov hlwb yog li ntawd muaj dej ntau thiab tsis muaj cov deposits ntawm darkly staining staining tshuaj feem ntau pom nyob rau hauv heartwood.
sapwood hauv ntoo yog dab tsi?
Sapwood yog tsob ntoo lub raj xa dej txav mus rau nplooj. Sapwood yog ntoo tshiab. Raws li cov rings tshiab ntawm sapwood tau muab tso rau hauv, cov hlwb sab hauv poob lawv qhov tseem ceeb thiab tig mus rau lub plawv. E: Heartwood yog lub hauv paus, txhawb nqa ncej ntoo.
txheej ntoo los ntawm dab tsi?
Ntsuab sap ntws los ntawm sapwood txheejntawm cov xylem hlwb. Cov txheej txheem tsim cov pa roj carbon dioxide, ua rau lub zog tsim hauv tsob ntoo. Yog hais tias muaj tej qhov txhab los yog qhov qhib ntawm cov tawv ntoo, tawg los yog pruned ceg, los yog cov cheeb tsamntawm cov tawv ntoo tshem tawm, lub siab ua rau cov kua qaub los ntawm tsob ntoo.
