Search claims · PlantClaims

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield of the highly calcareous-soil population tended to decrease in highly calcareous soils.

Taxon: Cynodon dactylonCynodon dactylont0
Outcome: decreasee0
Direction: decreasee0
Setting: highly calcareous soilse0

Verbatim

e0
“though in highly calcareous soils it tended to decrease”
✓ located verbatim in the source · abstract, characters 441–496

t0
“CYNODON DACTYLON”
✓ located verbatim in the source · title, characters 49–65

Title

DIFFERENTIAL RESPONSE OF THE EDAPHIC ECOTYPES IN CYNODON DACTYLON (L) PERS. TO SOIL CALCIUM

P. S. RAMAKRISHNAN; VIJAY K. SINGH New Phytologist 1966. doi:10.1111/j.1469-8137.1966.tb05419.x

Other claims from this paper (11)

Observationobservedreview summarynegativebasis n/a

Claim · model-written summary

The other mixture component usually has lower yield than its monoculture.

Taxon: PlantsViridiplantaee0
Outcome: decreasee0
Direction: decreasee0
Qualifier: usuallye0
Comparator: their own monoculturee0

Verbatim

e0
“Plants of the other component usually show a decrease, relative to their own monoculture”
✓ located verbatim in the source · abstract, characters 149–237

Title

A Revised Analysis of Plant Competition Experiments

C. A. McGilchrist; B. R. Trenbath Biometrics 1971. doi:10.2307/2528603

Other claims from this paper (3)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Oil palm is the most efficient land use, with the lowest ratio between ecosystem carbon storage loss or net primary production decrease and yield.

Taxon: Oil palme0
Outcome: ratio between ecosystem carbon storage loss or net primary production (NPP) decrease and yielde0
Direction: loweste0

Verbatim

e0
“Oil palm cultivation leads to the highest carbon losses but it is the most efficient land use, providing the lowest ratio between ecosystem carbon storage loss or net primary production (NPP) decrease and yield”
✓ located verbatim in the source · abstract, characters 606–816

Title

Carbon costs and benefits of Indonesian rainforest conversion to plantations

Thomas Guillaume; Martyna M. Kotowska; Dietrich Hertel; et al. Nature Communications 2018. doi:10.1038/s41467-018-04755-y

Other claims from this paper (6)

Intervention effect Rainforests in Sumatra converted to jungle rubber lost 116 Mg C ha −1 of carbon.
Intervention effect Rainforests in Sumatra converted to rubber lost 159 Mg C ha −1 of carbon.
Intervention effect Rainforests in Sumatra converted to oil palm monocultures lost 174 Mg C ha −1 of carbon.
Observation Up to 21% of the carbon losses after rainforest conversion to tree plantations originated from belowground pools.
Observation Soil organic matter in the converted tree plantations still decreases a decade after conversion.
Observation Oil palm cultivation leads to the highest carbon losses among the land uses.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

The graded pattern reduced Plantago reproductive yield by 5.5% relative to the theoretical maximum.

Taxon: PlantagoPlantagoe0
Outcome: reproductive yielde0
Direction: decreasee0
Value: 5.5%e0
Comparator: theoretical maximume0

Verbatim

e0
“This graded patter results in a 5.5% decrease in reproductive yield for Plantago relative to the theoretical maximum.”
✓ located verbatim in the source · abstract, characters 476–593

Title

Energy Allocation Patterns of the California Grassland Annuals Plantago Erecta and Clarkia Rubicunda

David King; Jonathan Roughgarden Ecology 1983. doi:10.2307/1937324

Other claims from this paper (2)

Observation Both species gradually shifted from vegetative to reproductive growth.
Observation Timing of the graded allocation pattern appeared optimal.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Legume share fell by 70% in V4 prime versus 2002.

Taxon: Trifolium repensTrifolium repense1
Treatment: V4’e0
Outcome: decrease of theme0
Direction: decreasee0
Value: 70%e0

Verbatim

e0
“a very strong decrease of them in V4’ (with 70%) treatment in 2006, in comparison with 2002”
✓ located verbatim in the source · abstract, characters 1977–2068

e1
“over sowing with Trifolium repens (in 1998)”
✓ located verbatim in the source · abstract, characters 890–933

Title

Impact of fertilisation and liming on botanical composition and yield in a mountain pasture.

N. Sima; Ioan ROTAR; Roxana Vidican Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Animal Science and Biotechnologies 2007. doi:10.15835/buasvmcn-asb:64:1-2:2386

Other claims from this paper (12)

Observation Grasses dominated without liming during 1998–2002.
Observation Festuca rubra ranked first in the sward of all treatments.
Observation In V2 prime in 2002, A. capillaris increased to 65% and became dominant.
Observation In V4 prime, T. repens reached 75% of the sward.
Observation In 2006, V2 without liming had about 75% A. capillaris.
Observation In 2006 with liming, A. capillaris made up 60% in V1 prime.
Observation In 2006 with liming, A. capillaris made up 90% in V2 prime.
Observation In 2006 with liming, A. capillaris made up 55% in V5 prime.
Observation Legume share rose by 10% in treatment 3 prime versus 2002.
Observation Legume share rose by 10% in treatment 5 prime versus 2002.
Intervention effect V2 prime produced the best forage yield in 2006.
Intervention effect Chemical fertilizer gave significantly greater yield efficiency than control.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Seed density decreased another 31% during regeneration.

Taxon: Trifolium balansaeTrifolium balansaet0
Outcome: seed densitye0
Direction: decreasee0
Value: 31%e0
Qualifier: during regeneratione0

Verbatim

e0
“Another 31% decrease in seed density occurred during regeneration.”
✓ located verbatim in the source · abstract, characters 555–621

t0
“Trifolium balansae”
✓ located verbatim in the source · title, characters 23–41

Title

Population Dynamics of Trifolium balansae and T. resupinatum in Self- Regenerating Pasture. I. Seed and Plant Densities and Dry Matter Yield

P. I. Jansen; R. L. Ison Journal of Applied Ecology 1996. doi:10.2307/2404766

Other claims from this paper (11)

Observation Seed bank density peaked after seed production and was lowest during the growing season.
Observation Up to 65% of seed disappeared over the dry summer.
Observation Seed impermeability was highest after production and during growth.
Observation Seed impermeability was lowest before regeneration.
Observation Seedling density reached 10,000 plants per square meter after regeneration.
Observation More than 90% of plants died during the growing season.
Observation Plant density in 1988 was two to three times higher than in 1989 and 1990.
Observation Total dry matter yield did not differ significantly among the tested lines.
Observation Paradana plots had higher clover content than the two SA lines.
Observation Paradana was better suited to the experimental environment than either T. resupinatum line.
Mechanism Plant size and seed production were major contributors to Paradana persistence.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Species yield varied more over years in mixtures than in monocultures.

Taxon: speciese0
Treatment: mixturese0
Outcome: Yield of speciese0
Direction: varied moree0
Qualifier: over yearse0
Comparator: monoculturese0

Verbatim

e0
“Yield of species varied more in mixtures than in monocultures over years”
✓ located verbatim in the source · abstract, characters 591–663

Title

Data from: Ecological and evolutionary effects of crop diversity decrease yield variability

López-Angulo, Jesus; Stefan, Laura; Engbersen, Nadine; et al. Zenodo (CERN European Organization for Nuclear Research) 2022. doi:10.5281/zenodo.7544811

Other claims from this paper (3)

Intervention effect Community yield variability was lower in mixtures than monocultures only with fertilizer under Mediterranean climate.
Intervention effect Mixture selection history increased yield productivity only in monocultures.
Intervention effect Mixture selection history decreased yield variability only in monocultures.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Perennial grass yield declined in lowland.

Taxon: perennial grassese0
Outcome: yield of perennial grassese0
Direction: decreaseinferrede0
Value: 2.44 tons per acree0
Qualifier: 0.27 tone0

Verbatim

e0
“yield of perennial grasses from 2.44 tons per acre to only 0.27 ton.”
✓ located verbatim in the source · abstract, characters 1817–1885

Title

Quantitative Study of Degeneration of Mixed Prairie

Farrel Branson; J. E. Weaver Botanical Gazette 1953. doi:10.1086/335784

Other claims from this paper (19)

Observation Ungrazed hilltops and upper slopes were mostly covered by short grasses.
Observation Ravines and banks supported tall and mid grass vegetation.
Observation Typical Mixed Prairie occupied long mid slopes.
Association Lowland Andropogon gerardi composition declined across range deterioration.
Association Short grasses increased from excellent to fair pasture and then decreased in poor range.
Association Lowland grass basal area rose through fair range but was lower in poor range.
Association Organic mulch declined with degeneration in lowland.
Association Three hillside grasses declined to less than one percent in fair range.
Observation Bouteloua gracilis maintained high composition on hillsides.
Association Buchloe dactyloides increased to fair pasture and then declined.
Association Hillside basal area rose from excellent to fair range and then fell.
Observation Hillside perennial grass yields declined across range condition classes.
Association Hillside mulch yield declined from excellent to poor range.
Observation Short grasses dominated hilltop basal area in both excellent and poor pastures.
Association Hilltop grass basal area increased under grazing and then fell in poor range.
Association Hilltop mulch declined in poor range.
Association Grass yield on hilltops was lower in fair and poor range.
Association Characteristic forbs declined with prairie degeneration.
Observation Most examined ranges were fair or poor.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Reaction norm intercept and slope decline for architecture traits.

Taxon: wheatTriticum aestivumt0
Outcome: two reaction-norm parameterse0
Direction: decreasee0
Qualifier: plant architecture traitse0

Verbatim

e0
“Generally, two reaction-norm parameters decrease simultaneously for plant architecture traits but increase simultaneously for yield component traits.”
✓ located verbatim in the source · abstract, characters 1265–1414

t0
“wheat”
✓ located verbatim in the source · title, characters 94–99

Title

Integrated phenomic and genomic analyses unveil modes of altered phenotypic plasticity during wheat improvement

Linqian Han; Xiaoming Wang; Ryan Benke; et al. Genome biology 2025. doi:10.1186/s13059-025-03740-1

Other claims from this paper (6)

Observation Genotype and environment contribute differently across traits.
Association GWAS found loci associated with reaction norm intercept and slope.
Observation Rht-D1b altered intercept and slope of more traits than Rht-B1b.
Observation Three predominant plasticity modes account for 88% of traits.
Observation Reaction norm intercept and slope rise for yield component traits.
Method / resource Environmental index based reaction norm parameters capture varied trait plasticity.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Reaction norm intercept and slope rise for yield component traits.

Taxon: wheatTriticum aestivumt0
Outcome: two reaction-norm parameterse0
Direction: increasee0
Qualifier: yield component traitse0

Verbatim

e0
“Generally, two reaction-norm parameters decrease simultaneously for plant architecture traits but increase simultaneously for yield component traits.”
✓ located verbatim in the source · abstract, characters 1265–1414

t0
“wheat”
✓ located verbatim in the source · title, characters 94–99

Title

Integrated phenomic and genomic analyses unveil modes of altered phenotypic plasticity during wheat improvement

Linqian Han; Xiaoming Wang; Ryan Benke; et al. Genome biology 2025. doi:10.1186/s13059-025-03740-1

Other claims from this paper (6)

Observation Genotype and environment contribute differently across traits.
Association GWAS found loci associated with reaction norm intercept and slope.
Observation Rht-D1b altered intercept and slope of more traits than Rht-B1b.
Observation Three predominant plasticity modes account for 88% of traits.
Observation Reaction norm intercept and slope decline for architecture traits.
Method / resource Environmental index based reaction norm parameters capture varied trait plasticity.

“yield decrease”

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