Abstract
Abstract Large Douglas-fir (Pseudotsuga menziesii) transplants were exposed to heavy browsing pressure under various weeding regimes in two experiments continued 4 and 5 yr, respectively. Browsing had relatively little effect on seedlings that did not receive weed control because potential growth was modest. With increasing degrees of weed control, seedlings that escaped browsing grew more rapidly. Weeding facilitated escapement from reach of browsing and increased net growth significantly because of both escapement and increased rates of recovery after herbivory. When subjected to repeated browsing, seedlings were similar in size in plots weeded both the first year and for 2 yr. Seedlings in plots weeded at both levels were larger than those in unweeded plots. Intensive weeding after planting appears to be a useful and integrative method of protecting seedlings from browsing losses. West. J. Appl. For. 15(3):163-168.
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Claims 7
Claim · model-written summary
Browsing had little effect on seedlings without weed control.
- Taxon
- Douglas-fir
Pseudotsuga menziesiit0 - Treatment
- Browsinge0
- Outcome
- relatively little effecte0
- Qualifier
- did not receive weed controle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Browsing had relatively little effect on seedlings that did not receive weed control because potential growth was modest”
t0“Douglas-Fir”
Claim · model-written summary
Unbrowsed seedlings grew faster with increasing weed control.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Treatment
- weed controle0
- Outcome
- seedlings that escaped browsing grew more rapidlye0
- Direction
- more rapidlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing degrees of weed control, seedlings that escaped browsing grew more rapidly”
t0“Douglas-Fir”
Claim · model-written summary
Weeding enabled seedlings to grow beyond browsing reach.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Treatment
- Weedinge0
- Outcome
- escapement from reach of browsinge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weeding facilitated escapement from reach of browsing”
t0“Douglas-Fir”
Claim · model-written summary
Weeding significantly increased net growth through escape and recovery after herbivory.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Treatment
- Weedinge0
- Outcome
- net growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weeding facilitated escapement from reach of browsing and increased net growth significantly because of both escapement and increased rates of recovery after herbivory”
t0“Douglas-Fir”
Claim · model-written summary
Under repeated browsing, seedlings weeded for one year and two years had similar size.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Treatment
- weeded both the first yeare0
- Outcome
- sizee0
- Direction
- similare0
- Comparator
- for 2 yre0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When subjected to repeated browsing, seedlings were similar in size in plots weeded both the first year and for 2 yr”
t0“Douglas-Fir”
Claim · model-written summary
Seedlings at both weeding levels were larger than those in unweeded plots.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Treatment
- weeded at both levelse0
- Outcome
- Seedlingse0
- Direction
- largere0
- Comparator
- unweeded plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seedlings in plots weeded at both levels were larger than those in unweeded plots”
t0“Douglas-Fir”
Claim · model-written summary
The authors recommend intensive postplanting weeding to protect seedlings from browsing losses.
- Taxon
- Douglas-firPseudotsuga menziesiit0
- Outcome
- Intensive weeding after plantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intensive weeding after planting appears to be a useful and integrative method of protecting seedlings from browsing losses”
t0“Douglas-Fir”
The same questions in other papers
herbicide · growth · Pseudotsuga menziesii (Douglas-fir)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.