Poplars yog tsob ntoo deciduous heev. Lawv ruaj ntseg lawv hom pej xeem tsis tau tsuas yog los ntawm ntau txhiab thiab txhiab tus downy ya noob, tab sis kuj los ntawm cov hauv paus runners. Qhov no tuaj yeem yog teeb meem tiag tiag rau cov tswv vaj.
Yuav ua li cas thiaj tshem tau cov cag poplar?
Yuav kom tshem tawm cov cag cag ntoo mus tas li, cov cag cag ntawm leej niam poplar yuav tsum tau khawb. Qhov no tiv thaiv tsis tu ncua rov germination ntawm tua thiab yog zoo dua li niaj zaus mowing los yog topping tawm tua.
Ntawm qhov tseeb txog cov cag ntoo
Poplars muaj cov hauv paus hauv paus uas tau muab cais tawm ntawm pawg kab rov tav thiab cov kab mob plawv. Rau feem ntau, lawv cov hauv paus hniav loj hlob kab rov tav nyob rau hauv tag nrho cov lus qhia thiab nyob twj ywm ncaj nraim rau saum npoo ntawm lub ntiaj teb. Tsis muaj qhov tseem ceeb, vertically downward lub ntsiab hauv paus strand zoo li hauv taproots. Es tsis txhob, ntxhib thiab nplua cov hauv paus hniav ntawm cov thicknesses sib txawv sib koom ua haujlwm ntawm cov ntxhia thiab dej nqus.
Cov hauv paus hniav zoo ntawm cov paj ntoo yog qhov sib piv ntev thiab tsis tawg heev. Lawv rub cov zaub mov thiab dej mus rau hauv tsob ntoo. Cov hauv paus hniav ntxhib muab kev txhawb nqa hauv av.
Poplars muaj ntau kab rov tav loj hlob lateral keeb kwm los yog lwm cov hauv paus hniav uas tsim nyob rau hauv cov hauv paus hniav thiab loj hlob vertically deb ntawm lub ntsiab hauv paus. Cov hauv paus hniav lateral no tuaj yeem ua teeb meem tiag tiag rau cov tswv vaj. Vim hais tias lawv nyiam tsim tua los ntawm qhov uas tsob ntoo reproduces vegetatively ntxiv rau noob propagation.
Nco ntsoov:
- Poplars yog ib qho sib xyaw ntawm kab rov tav thiab lub plawv ntoo
- form ntau sprouting lateral roots for vegetative propagation
Sapling npau taws thaum poob
Nws tau txais qhov phem tshwj xeeb yog thaum tsob ntoo poplar poob rau ntau tshaj 2/3 ntawm nws qhov siab qub thiab nws cov cag ntoo tau sawv ntsug. Cov kev ua ntawm rootstock, uas yog dab tsi tab sis tuag, ces concentrates downwards thiab xav tias txawm ntau motivated los tsim kom muaj ntau yam xeeb ntxwv raws li nws ua tau. Qhov tshwm sim: hav zoov tseeb ntawm saplings emerges nyob ib ncig ntawm lub stump.
Qhov teeb meem: Lub sprouting kev ua ntawm cov kab rov tav cov hauv paus hniav tsis nres txawm tias koj txiav cov tua dua thiab dua. Mowing cov nyom tsis tu ncua yog ib qho yooj yim thiab pib siv tau zoo, tab sis cov stems ntawm mini poplars tau pom thaum taug kev taw liab qab vim tias lawv cov firmer sib xws piv rau cov nyom. Thiab raws li kuv tau hais tias: Nws yog Sisyphean txoj haujlwm.
Tsuas yog kev kho mob mus sij hawm ntev: khawb tawm
Yuav kom xaus rau qhov tsis tu ncua ntawm cov ntoo poplars, nws tsis pab: Lub hauv paus stump ntawm niam poplar yuav tsum tau khawb. Qhov no yog ib txoj haujlwm nyuaj uas tuaj yeem ua tau tsuas yog nrog kev pab ntawm cov khoom siv lub cev muaj zog.
