Abstract
Abstract Professor Chapman has long studied the influence of fire on the reproduction of longleaf pine. In this article he distinguishes between (1) burning preceding seeding and subsequent complete or periodic protection and (2) complete protection before and after seeding. His experiments convince him that the ground must be freed of competing material prior to seed fall by means of fire but that annual burning subsequent to seeding is highly detrimental. His experiments on intermittent burning and protection at two- to three-year intervals after seeding and prior to the start of height growth are not completed, but they indicate some value in bringing about conditions favorable to healthy height growth.
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Claims 3
Claim · model-written summary
Ground must be freed of competing material before seed fall by means of fire in longleaf pine.
- Taxon
- Longleaf Pine
Pinus palustrist0 - Treatment
- firee1
- Outcome
- competing materiale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Longleaf Pine”
e1“His experiments convince him that the ground must be freed of competing material prior to seed fall by means of fire”
Claim · model-written summary
Annual burning after seeding is highly detrimental to longleaf pine reproduction.
- Taxon
- Longleaf PinePinus palustrist0
- Treatment
- annual burning subsequent to seedinge2
- Outcome
- reproductione0
- Direction
- highly detrimentale2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Longleaf Pine”
e0“influence of fire on the reproduction of longleaf pine”
e2“annual burning subsequent to seeding is highly detrimental”
Claim · model-written summary
Intermittent burning and protection at two- to three-year intervals after seeding may favour healthy height growth in longleaf pine; these experiments are not completed.
- Taxon
- Longleaf PinePinus palustrist0
- Treatment
- intermittent burning and protection at two- to three-year intervals after seedinge3
- Outcome
- healthy height growthe3
- Direction
- favorablee3
- Qualifier
- not completede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Longleaf Pine”
e3“His experiments on intermittent burning and protection at two- to three-year intervals after seeding and prior to the start of height growth are not completed, but they indicate some value in bringing about conditions favorable to healthy height growth”
The same questions in other papers
fire · pest · Pinus palustris (longleaf pine)Results agree
1 paper in the same direction as this paper
- negative
fire · growth · Pinus palustris (longleaf pine)Results agree
3 papers in the same direction as this paper
- positive
- positive
- 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.