Weeping willows and their age: nthuav tseeb & tseeb

Cov txheej txheem:

Weeping willows and their age: nthuav tseeb & tseeb
Weeping willows and their age: nthuav tseeb & tseeb
Anonim

Koj twb pom qhov nostalgic pom ntawm lub quaj quaj ntawm lub pas dej dipping nws cov ceg ntev mus rau hauv dej hauv cov paj huam qub thiab sau ntawv. Qhov zoo nkauj zoo nkauj coj rov qab nco txog lub sijhawm qub. Lub weeping willow muaj lub neej expectancy tsawg. Nyeem ntawm no yog vim li cas tsob ntoo tsuas nyob ib ncig ntawm 80-100 xyoo.

quaj willow age
quaj willow age

Tseem muaj hnub nyoog li cas thiaj quaj tau?

Ntawm qhov nruab nrab, tus quaj quaj tuaj yeem nyob tau 80-100 xyoo, txawm tias nws muaj hnub nyoog nyob ntawm qhov chaw thiab av. Txhawm rau kom ncav cuag lub hnub nyoog laus, nws xav tau lub teeb txaus, dej thiab cov as-ham nrog rau qhov chaw noo.

Tseem muaj hnub nyoog li cas thiaj quaj tau?

Weeping willows nyob nruab nrab ntawm 80-100 xyoo. Yog li ntawd lawv lub hnub nyoog yog sib npaug zos rau tib neeg lub neej. Yog li ntawd, nws yog ib lub tswv yim zoo rau cog ib tug weeping willow rau yug me nyuam. Nws ua ib tsob ntoo ntawm txoj sia, hais lus.

Growth History

Thaum nws tseem hluas, lub suab quaj quaj nrov nrov. Kev loj hlob sai tsis tshwm sim tag nrho txawm tias muaj hnub nyoog, tab sis nws tsis tau hais raws li nws tau ua.

Txoj kev loj hlob thiab hnub nyoog siab tshaj plaws

Lub willow loj hlob sai heev thiab meej meej zoo dua lwm cov ntoo deciduous hauv qhov kev hwm no. Hauv kev sib piv, qhov siab tshaj plaws lub neej expectancy ntawm weeping willow yog txhua yam qis dua. Txoj kev sib kis ceev, loj loj yuav tsum muaj zog heev. Tsis tas li ntawd, raws li qhov kev quaj ntsuag yuav laus zuj zus thiab loj zuj zus tuaj, nws ua rau muaj kev cuam tshuam ntau dua hauv cov cua daj cua dub.

Qhov tseem ceeb rau cov laus

  • qhov chaw
  • plam

Qhov chaw

Weeping willows xav tau ntau lub teeb kom loj hlob. Txij li thaum lawv loj hlob siab heev nyob rau hauv ib lub sij hawm luv luv thiab yog li overshadow lwm cov ntoo, qhov no tsuas yog ib qho teeb meem nyob rau hauv ob peb kis.

Pab

Tsis tas li ntawd, dej txaus thiab cov as-ham yog qhov tseem ceeb rau kev loj hlob zoo. Tsuas yog nyob rau hauv qhov chaw ntub dej yog muab lav rau hauv cov laus.

Txoj kev los txiav txim lub hnub nyoog ntawm quaj willow

  • C 14 sib ntsib
  • Tree age tables
  • Drilling kuj ntsuas nrog ib tug resistograph
  • Nyob ib xyoos

C 14 sib ntsib

Txoj kev no siv cov xov tooj cua sib tham. Nws tsuas yog siv rau cov ntoo qub xwb.

Tree age tables

Cov no yog cov rooj raws li qhov tseem ceeb.

Drilling kuj ntsuas nrog ib tug resistograph

Nyob ntawm seb muaj kev tiv thaiv ntau npaum li cas thaum khawb rau hauv cov tawv ntoo, lub hnub nyoog ntawm tsob ntoo tuaj yeem txiav txim siab.

Nyob ib xyoos

Koj tuaj yeem nyeem lawv ntawm tsob ntoo disc thaum tsoo tsob ntoo. Ib lub nplhaib sib npaug ib xyoos.

Thaum twg yog qhov kev txiav txim siab lub hnub nyoog ntawm tus quaj quaj tseem ceeb?

Yog tsob ntoo raug mob hauv tsheb sib tsoo, piv txwv li, tus nqi nplua nyob ntawm tsob ntoo hnub nyoog. Qhov laus lawm, qhov ntau dua.

Pom zoo: