Cov txheej txheem:

Douglas fir ntoo zoo li cas?
Douglas fir ntoo zoo li cas?

Video: Douglas fir ntoo zoo li cas?

Video: Douglas fir ntoo zoo li cas?
Video: yuav tau tsim kho tus kheej lub neej thiaj yuav vam meej tau 2024, Kaum ib hlis
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Kev qhia ceev ceev ntawm Douglas Fir

Lub khob hliav qab muaj ib tus nab tus nplaig- nyiam forked bracts creeping tawm ntawm hauv qab teev. Cov cones no yuav luag ib txwm tsis zoo thiab muaj ntau ob qho tib si nyob rau hauv thiab hauv qab tsob ntoo . Muaj tseeb ua firs muaj cov koob uas yog upturned thiab tsis whorled.

Ua raws li qhov xav tau, koj yuav qhia li cas yog tsob ntoo yog Douglas fir?

Qhov twg: Hauv qab 5000 ft

  1. Koob: Douglas Fir yog ib qho yooj yim los txheeb xyuas.
  2. Cones: Cov cones yog tib qho uas koj yuav pom nyob rau hauv Northwest nrog peb-taw bracts lo tawm ntawm cov nplai.
  3. Bark: Feem ntau koj tuaj yeem txheeb xyuas Douglas Fir loj los ntawm cov tawv ntoo ib leeg.

Tom qab, lo lus nug yog, yog Douglas fir ib tsob ntoo deciduous? Cov Douglas fir tsis yog qhov tseeb tsob ntoo . Cov hom yog menziesii. Qhov no tsob ntoo yog ib qho ntawm ntau conifers suav nrog hauv tsev neeg Pinaceae. Lwm tus yog cedars, lub deciduous conifers (Glyptostrobus, Larix, Metasequoia, Pseudolarix, thiab Taxodium), cov ntoo , paj ntoo , thiab spruce ntoo.

Xav txog qhov no, Douglas fir zoo li cas?

Loj thiab zoo li: Douglas - fir tuaj yeem yog tsob ntoo loj heev, qee zaum txog li 250 feet siab. Lub cev tuaj yeem loj heev, qee zaum tshaj 10 feet ntawm txoj kab uas hla. Lawv muaj daim duab peb sab rau lawv cov yas thiab qhov taw tes saum toj ntawm tsob ntoo sawv ncaj.

Yuav ua li cas koj qhia Douglas fir los ntawm ntoo thuv?

Nrhiav tus naj npawb ntawm cov koob uas tawm ntawm tib qhov chaw ntawm ib tsob ntoo. Yog hais tias ib tug twig dais koob nyob rau hauv pawg ntawm ob, peb, los yog tsib, koj yuav xyuam xim hu nws a ntoo . Yog hais tias tus twig nqa nws cov koob ib leeg, nws yog qhov zoo thawj koom ruam koj tau txais fir los yog spruce. Tshem ib rab koob, thiab yob nws ntawm koj cov ntiv tes.

Pom zoo: