Puas yog lub thawv laus yog tsob ntoo zoo?

Cov txheej txheem:

Puas yog lub thawv laus yog tsob ntoo zoo?
Puas yog lub thawv laus yog tsob ntoo zoo?
Anonim

Nws kuj txawv ntawm lwm cov maples nyob rau hauv uas nws yog dioecious (muaj cais txiv neej thiab poj niam ntoo). Cov txwj laus hauv lub thawv feem ntau yog suav tias yog tsob ntoo "weedy"thiab raug tuav tsis zoo los ntawm cov neeg feem coob. … Ntxiv rau, lawv ua cov ntoo nce toj zoo heev.

Vim li cas cov ntoo txua ntoo ua phem?

Yuav suav hais tias yog tsob ntoo txhoj puab heev: Cov ntoo no germinate easy, txhais tau tias lawv yuav zaub sai sai yog tias twb muaj lawm. Thaum lub boxelder lub tis noob poob, lawv tawg sai sai thiab pib hauv paus yooj yim, ua rau nws lub koob npe nrov li "tsob ntoo."

boxelder ntoo zoo rau dab tsi?

Kev Siv Feem Ntau: Cov khoom tig, cov khoom siv me me, ntoo pulp, charcoal, thawv, thiab crates. Cov Lus Qhia: Qee lub sij hawm hu ua "Ash-leaved Maple" vim tias nws cov nplooj tsis zoo, (saib hauv qab), Box Txwj Laug yog technically suav tias yog tsob ntoo maple (Acer genus).

Lub thawv ntoo ntoo nyob ntev npaum li cas?

(Acer negundo L.) Lub thawv laus, tseem hu ua cov ntoo tshauv-leaved maple, maple ash, los yog Manitoba maple, yog qhov nruab nrab loj (35-70 ko taw siab), tsob ntoo deciduous nrog qhov nruab nrab lifespannruab nrab ntawm rau caum thiab xya caum tsib xyoos, tab sis muaj peev xwm ncav cuag ib puas xyoo nyob rau hauv qhov kev pom zoo¹.

Kuv yuav tsum txiav cov ntoo txua ntoo?

tsob ntoo loj hlob sai, lub thawv tau txais txiaj ntsig los ntawm kev txiav txhua xyoo, pab kom nws tsim tau ib qho zoo nkauj thaum tsob ntoo tseem hluas thiab ua kom tsob ntoo loj dua qhov loj nyob hauvciam teb. Zoo li feem ntau maples, lub boxelder muaj ntau cov kua txiv hmab txiv ntoo uas seeps los ntawm kev txiav thaum tsob ntoo yog hnyav pruned thaum nws nquag loj hlob.

Pom zoo:

Nthuav cov khoom
Leej twg ua tiav mozart's lacrimosa?
Nyeem ntxiv

Leej twg ua tiav mozart's lacrimosa?

Requiem hauv D Minor, K 626, requiem pawg los ntawm Wolfgang Amadeus Mozart, tshuav tsis tiav thaum nws tuag rau lub Kaum Ob Hlis 5, 1791. Txog rau thaum xyoo pua 20th, txoj haujlwm tau hnov ntau tshaj li nws tau ua tiav los ntawm Mozart's tub kawm Franz Xaver Süssmayr.

Lub caj pas lacrimal yog dab tsi?
Nyeem ntxiv

Lub caj pas lacrimal yog dab tsi?

Cov qog kua muag (cov qog qog nqaij hlav), nyob saum toj ntawm txhua lub pob muag, tsis tu ncua muab cov kua muag kua muag uas tau so thoob plaws koj lub qhov muag txhua zaus koj ntsais koj daim tawv muag. Cov kua dej ntau dhau los ntawm cov kua muag hauv lub qhov ntswg.

Tus kab mob myxoma ua haujlwm li cas?
Nyeem ntxiv

Tus kab mob myxoma ua haujlwm li cas?

qhov chaw ntawm tus kab mob myxoma tuag hauv 12 hnub ntawm kev kis tus kabmob. Cov kev tshawb fawb Pathogenesis paub tseeb tias tus kab mob pib rov ua dua tshiab hauv cov kab mob dermal ntawm qhov chaw inoculation, zoo li cov hlwb dendritic.