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单词 defoliation
释义
defoliation
noun[U]
uk
/ˌdiː.fəʊ.liˈeɪ.ʃən/us
/ˌdiː.foʊ.liˈeɪ.ʃən/
theprocessofleavesfallingoff aplant, or of making thishappen:
（尤指因使用强效化学品而出现的）落叶，凋零
Defoliationoccurredwhen theplantswerenearlymature.落叶发生在植物接近成熟时。
Over 64percentof alltreespecieshaveslighttoseveredefoliation.所有树种中超过64%有轻微到严重的落叶现象。
See
defoliate
More examples
  • Thesandandlowshrubswereobviouslyaresultofrepeatedchemicaldefoliation.
  • Trees canwithstandgypsymothdefoliation for two or threeyearswithoutdying.
  • Complete defoliation of theimmediateareawouldleadtodeterioratingconditionsfor theants.
SMART Vocabulary: related words and phrases
Removing and getting rid of things
  • abandonment
  • banish
  • be scattered to the four windsidiom
  • bin
  • castsomeone/somethingaside/away/off
  • dumping
  • erase
  • erasure
  • evacuate
  • evacuation
  • exorcism
  • expunge
  • fling
  • scrape
  • shoo
  • shrug
  • shrugsomethingoff
  • shuck
  • shucksomethingoff
  • sling
See more results »
(Definition ofdefoliationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofdefoliation

defoliation
The effects of artificialdefoliationon leaf chemistry were monitored.
From theCambridge English Corpus
In the case of insects that causedefoliationin both natural forests and plantations, outbreaks are most likely to occur in plantations.
From theCambridge English Corpus
All surviving defoliated plants produced flowers irrespective of the level ofdefoliation.
From theCambridge English Corpus
Asdefoliationwas conducted after tassel initiation, tasselling and silking were not delayed bydefoliation.
From theCambridge English Corpus
Increment cores were sampled for radial growth measurements from trees subjected to slight, moderate and heavydefoliation.
From theCambridge English Corpus
Defoliationof sorghum and wheat leads to control of phenology and enhanced water use efficiency.
From theCambridge English Corpus
This study shows that, under well-watered conditions,defoliationresulted in either yield reduction or no significant yield change.
From theCambridge English Corpus
In 1996-97,defoliationwas evident in 100% of plants resulting in 96% leaf area loss.
From theCambridge English Corpus
Under anticipated drought stress,defoliationcould be an important management practice to reduce drought-induced yield decrease, but this needs to be tested under field conditions.
From theCambridge English Corpus
So, for palms,defoliationmight not be a direct cause of plant mortality.
From theCambridge English Corpus
Heavy defoliations due to late leaf spot, however, were observed for the 2003 rainy and the 2003 dry season.
From theCambridge English Corpus
An assessment of techniques for measuring herbivory: is rainforestdefoliationmore intense than we thought?
From theCambridge English Corpus
Early springdefoliationpatterns can condition the sward for mid-season growth by promoting leafier herbage with fewer reproductive tillers.
From theCambridge English Corpus
This lack of effectivedefoliationalso required slower harvest machinery operation, and occasional repeated mechanical pickings.
From theCambridge English Corpus
The decrease in production was mainly caused by increased abscission of fruiting for ms (squares and young bolls) afterdefoliation.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/defoliation##
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更新时间：2024/12/28 0:38:19