Abstract
3 Abstract: Determining plant resistance to salinity, aridity and grazing is very important for selecting the favorable plant species for rangelands. The objective of this study was to compare the salinity, aridity and grazing tolerance of three rangeland species (Agropyron elongatum, Kochia prostrata and Puccinellia distans). The experiment was conducted in a greenhouse, with a factorial arrangement in a completely randomized design using 3 replications. Salinity levels of 4 (as control), 20, 30 and 40 dS/m; Aridity levels of field capacity irrigation (as control), -12 and -14 bars; Grazing levels of 0% (as control), 25%, 50% and 75% cutting were applied. The results showed that increasing salinity and aridity level caused reduction in dry matter production and residual dry matter in all studied plant species. 25% cutting caused increment in residual dry matter. Increasing grazing level caused increment in dry matter production. The maximum survival scores were found in the lowest salinity, aridity and grazing level treatments. However, the minimum survival scores were observed in the highest salinity, aridity and grazing level treatments. Agropyron elongatum had the maximum and Kochia prostrata had the minimum salinity, aridity and grazing tolerance.
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Claims 8
Claim · model-written summary
Increasing salinity reduced dry matter and residual dry matter in all three species.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distans
Thinopyrum elongatum
Puccinellia distans
Bassia prostratat0 - Treatment
- increasing salinitye0
- Outcome
- dry matter production and residual dry mattere0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing salinity and aridity level caused reduction in dry matter production and residual dry matter in all studied plant species.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
Increasing aridity reduced dry matter and residual dry matter in all three species.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distansThinopyrum elongatumPuccinellia distansBassia prostratat0
- Treatment
- aridity levele0
- Outcome
- dry matter production and residual dry mattere0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing salinity and aridity level caused reduction in dry matter production and residual dry matter in all studied plant species.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
Cutting by 25% increased residual dry matter.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distansThinopyrum elongatumPuccinellia distansBassia prostratat0
- Treatment
- 25% cuttinge0
- Outcome
- residual dry mattere0
- Direction
- incremente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“25% cutting caused increment in residual dry matter.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
Increasing grazing level increased dry matter production.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distansThinopyrum elongatumPuccinellia distansBassia prostratat0
- Treatment
- Increasing grazing levele0
- Outcome
- dry matter productione0
- Direction
- incremente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing grazing level caused increment in dry matter production.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
The lowest salinity, aridity and grazing levels gave maximum survival scores.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distansThinopyrum elongatumPuccinellia distansBassia prostratat0
- Treatment
- lowest salinity, aridity and grazing level treatmentse0
- Outcome
- survival scorese0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum survival scores were found in the lowest salinity, aridity and grazing level treatments.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
The highest salinity, aridity and grazing levels gave minimum survival scores.
- Taxon
- Agropyron elongatum, Kochia prostrata and Puccinellia distansThinopyrum elongatumPuccinellia distansBassia prostratat0
- Treatment
- highest salinity, aridity and grazing level treatmentse0
- Outcome
- survival scorese0
- Direction
- minimume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the minimum survival scores were observed in the highest salinity, aridity and grazing level treatments.”
t0“Agropyron elongatum, Kochia prostrata and Puccinellia distans”
Claim · model-written summary
Agropyron elongatum had maximum tolerance to salinity, aridity and grazing.
- Taxon
- Agropyron elongatumThinopyrum elongatume0
- Outcome
- salinity, aridity and grazing tolerancee0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Agropyron elongatum had the maximum and Kochia prostrata had the minimum salinity, aridity and grazing tolerance.”
Claim · model-written summary
Kochia prostrata had minimum tolerance to salinity, aridity and grazing.
- Taxon
- Kochia prostrataBassia prostratae0
- Outcome
- salinity, aridity and grazing tolerancee0
- Direction
- minimume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Agropyron elongatum had the maximum and Kochia prostrata had the minimum salinity, aridity and grazing tolerance.”
The same questions in other papers
salinity · yield · Thinopyrum elongatum (tall wheatgrass)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
2 papers more in this group
See all 6 papers →salinity · yield · Bassia prostrataResults agree
1 paper in the same direction as this paper
- negative
pruning · growth · Thinopyrum elongatum (tall wheatgrass)Results agree
1 paper in the same direction as this paper
- positive
pruning · growth · Bassia prostrataResults agree
1 paper in the same direction as this paper
- positive
pruning · growth · Puccinellia distansResults agree
1 paper in the same direction as this paper
- positive
grazing · yield · Thinopyrum elongatum (tall wheatgrass)Results agree
1 paper in the same direction as this paper
- positive
grazing · yield · Bassia prostrataResults agree
1 paper in the same direction as this paper
- positive
grazing · yield · Puccinellia distansResults agree
1 paper in the same direction as this paper
- positive
8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.