Vim li cas xiav spruce xiav?

Cov txheej txheem:

Vim li cas xiav spruce xiav?
Vim li cas xiav spruce xiav?

Video: Vim li cas xiav spruce xiav?

Video: Vim li cas xiav spruce xiav?
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Anonim

Cov xim xiav ntawm xiav spruce koob yog ua los ntawm epicuticular waxes ntawm cov koob uas muaj kev cuam tshuam cov wavelengths tshwj xeeb ntawm lub teeb Cov quav ciab ntau dua ntawm rab koob, qhov bluer nws yog. … Qee cov ntoo tuaj yeem loj tuaj yeem txiav cov koob xiav, tab sis lwm yam ntawm tib hom muaj cov koob ntsuab lossis xiav-ntsuab.

Dab tsi ua rau xiav spruce ntau xiav?

Qhov tseeb yog qhov kev siv ntawm xiav ntawm Colorado xiav spruce (xaiv ntawm Picea pungens 'Glauca') nyob ntawm concentration ntawm nws "bloom, "ib hmoov dawb wax uas coats nws koob. … Qhov tseeb, cov koob yog ntsuab kiag li, tab sis cov paj uas npog lawv ua rau lawv pom xiav.

Puas xiav spruce ntoo xiav?

ANSWER: Tsis yog txhua tus Picea pungens (xiav spruce), lub xeev tsob ntoo ntawm Colorado thiab Utah, yog xiav. Txawm hais tias qee tus muaj xim xiav heev, lwm tus muaj lub ntsej muag zoo nkauj rau lawv cov xim, thiab ntau haiv neeg "xiav" spruce tsuas yog cov ntoo ntoo-ntsuab ntsuab raws li koj tau pom.

Dab tsi yog xim xiav spruce?

xim xiav spruce ranges los ntawm ib tug sliver mus xiav rau ntxoov ntsuab. Cov haiv neeg ntawm Colorado xiav spruce yog nruab nrab thiab yav qab teb Rocky Toj siab.

Yuav loj npaum li cas xiav spruce tau txais?

xiav spruces loj npaum li cas? Ornamental yard ntoo feem ntau ncav cuag 60 mus rau 80 ko tawthiab 1.5 mus rau 3 feet ntawm txoj kab uas hla. Ostensibly txhim khu kev qha hauv internet qhov sib txawv heev ntawm cov npe siab tshaj plaws. Ib txhia hais ntau tshaj 100 feet.

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