Tsob ntoo tshauv dawb hlob nyob qhov twg?
Tsob ntoo tshauv dawb hlob nyob qhov twg?

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Video: Tsob ntoo tshauv dawb hlob nyob qhov twg?
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Fraxinus americana, cov dawb tshauv los yog American tshauv , yog ib hom ntoo tshauv nyob rau sab hnub tuaj thiab Central North America. Nws yog pom nyob rau hauv mesophytic hardwood forests los ntawm Nova Scotia sab hnub poob mus rau Minnesota, sab qab teb mus rau sab qaum teb Florida, thiab sab hnub poob mus rau sab hnub tuaj Texas.

Ib yam li ntawd, cov ntoo tshauv dawb tau txais loj npaum li cas?

Loj hlob a ntoo tshauv dawb yog txheej txheem ntev. Yog hais tias lawv tsis succumb rau kab mob, lub ntoo tuaj yeem nyob tau 200 xyoo. Lawv loj hlob ntawm tus nqi nruab nrab ntawm li 1 mus rau 2 ko taw hauv ib xyoos. Thaum loj hlob tuaj, lawv zoo li ncav cuag li ntawm 50 txog 80 feet hauv qhov siab thiab 40 mus rau 50 ko taw dav.

Kuj Paub, tsob ntoo tshauv dawb siv rau dab tsi? Nws siv nyob rau hauv ntoo baseball puav yog nto moo. Cov ntoo kuj yog siv hauv rooj tog, qhov rooj, veneer, antique tsheb qhov chaw, tsheb ciav hlau thiab ties, canoe paddles, snowshoes, nkoj, posts, ties, thiab roj. Dawb tshauv yog cov ntoo muaj nqis tshaj plaws tsob ntoo ntawm ntau yam tshauv.

Tsis tas li ntawd, qhov twg cov ntoo tshauv hlob zoo tshaj plaws?

Tsos ntoo yog deciduous tsob ntoo uas belongs rau tsev neeg Oleaceae. Muaj 45 txog 65 hom ntoo tshauv uas tuaj yeem pom nyob rau sab qaum teb ntawm Tebchaws Europe, Asia thiab North America. Ntoo tshauv hlob nyob rau hauv huab cua txias thiab sov, nyob rau hauv moist, zoo drained av, nyob rau hauv tej cheeb tsam uas muab txaus tshav ntuj ncaj qha.

Ib tsob ntoo tshauv dawb zoo li cas?

Dawb Ash Fraxinus americana Lub dawb tshauv yog ib tug zoo nraug tsob ntoo nyob rau North America. Nws ua rau ntau qhov chaw ua si, thaj chaw loj, thiab lwm qhov chaw loj thiab muab cov xim zoo nkauj ntawm lub caij nplooj zeeg los ntawm daj mus rau ntshav liab thiab maroon. Tshaj nws cov nqi toj roob hauv pes, lub tsob ntoo tau ua nws lub cim raws li cov ntoo siv los ua cov puav baseball.

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