Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Standing litter decreased as the conifer proportion increased.

Taxon: coniferous treese0
Treatment: proportion of mixed coniferous treese0
Outcome: standing littere0
Direction: decreasee0

Verbatim

e0
“As the proportion of mixed coniferous trees increases, the standing litter and annual yield both decrease”
✓ located verbatim in the source · abstract, characters 927–1032

Title

Effect and mechanisms of conifer and broadleaf mixtures on the soil characteristics in limestone mountains

Xueping Zhang; Yuhua Ma; Songling FU; et al. TURKISH JOURNAL OF AGRICULTURE AND FORESTRY 2024. doi:10.55730/1300-011x.3174

Other claims from this paper (3)

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.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Each unit increase in early-June accumulated temperature was associated with a 0.55 kg/hm2 decline in relative meteorological yield.

Taxon: S.sareptana var.kryloviiStipa sareptanae0
Treatment: early Junee0
Outcome: relative meteorological yielde0
Direction: decreasee0
Value: 0.55e0
Qualifier: one unite0

Verbatim

e0
“accumulated temperature in middle April and early June,and precipitation in late May,were correlated negatively with relative meteorological yield of S.sareptana var.krylovii.As they increased by one unit,relative meteorological yeild would decrease by 8.15,11.65,0.43,0.55 and 0.33 kg/hm2 respectively.”
✓ located verbatim in the source · abstract, characters 1142–1445

Title

Effects of climates factors on pasture yield of alpine Stipa steppe

Tian Hui-chun Caoye kexue 2010

Other claims from this paper (10)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Fruit yield decreased from 1992 to 2021, associated with flowering frosts, dry July weather and habitat change.

Taxon: arctic bramblee1
Outcome: yielde0
Direction: decreasee0
Qualifier: increase in the frequency of frosts during the flowering period, dry weather in July and changes in habitat conditionse0

Not reportedSetting

Verbatim

e0
“For the period 1992–2021 there was a decrease in yield associated with an increase in the frequency of frosts during the flowering period, dry weather in July and changes in habitat conditions.”
✓ located verbatim in the source · abstract, characters 1286–1479

e1
“the arctic bramble (Rubus arcticus L.)”
✓ located verbatim in the source · abstract, characters 57–95

Title

ARCTIC BRAMBLE (RUBUS ARCTICUS L.) IN THE KOLYMA RIVER VALLEY – SEASONAL DEVELOPMENT AND BEARING

Nadezhda Sinel'nikova; Mihail Pahomov Bulletin of KSAU 2024. doi:10.36718/1819-4036-2023-4-100-105

Other claims from this paper (4)

Observation The annual cycle has 11 phenophases.
Observation The seasonal cycle comprises five generative and five vegetative phases.
Association Onset dates of seasonal phases showed no significant positive trend.
Recommendation Wild populations were identified as breeding material suitable for introduction in Magadan Region.

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.

Mechanismauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors attributed declining diversity and richness to nutrient resorption.

Taxon: grasslandse1
Outcome: species diversity and richnesse0
Direction: decreasee0
Qualifier: nutrient resorptione0

Verbatim

e0
“nutrient resorption is resulting in a decrease in species diversity and richness”
✓ located verbatim in the source · abstract, characters 1174–1254

e1
“biomass yield in grasslands”
✓ located verbatim in the source · abstract, characters 340–367

Title

FERTILIZATION AND SOIL AERATION EFFECTS ON GRASSLAND PRIMARY PRODUCTIVITY AND SPECIES DIVERSITY IN A MEADOW STEPPE, NORTHERN CHINA

Y. BAI; S. LV; M.P. SCHELLENBERG; et al. Applied Ecology and Environmental Research 2020. doi:10.15666/aeer/1803_45394555

Other claims from this paper (8)

Recommendation The model recommended annual nitrogen application of 231.50-238.82kg ha -1 to maximize non-aerated grassland biomass.
Recommendation The model recommended annual phosphorus application of 187.25-218.75 kg ha -1.
Recommendation The model recommended annual potassium application of 28.28-33.32 kg ha -1.
Intervention effect Nitrogen increased biomass significantly relative to no fertilizer.
Intervention effect Phosphorus increased biomass significantly relative to no fertilizer.
Intervention effect Aeration effects on biomass were unclear.
Association Shannon-Wiener diversity fell as fertilization continued.
Association Species richness fell as fertilization continued.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Each unit increase in mid-April accumulated temperature was associated with a 0.43 kg/hm2 decline in relative meteorological yield.

Taxon: S.sareptana var.kryloviiStipa sareptanae0
Treatment: accumulated temperature in middle Aprile0
Outcome: relative meteorological yielde0
Direction: decreasee0
Value: 0.43e0
Qualifier: one unite0

Verbatim

e0
“accumulated temperature in middle April and early June,and precipitation in late May,were correlated negatively with relative meteorological yield of S.sareptana var.krylovii.As they increased by one unit,relative meteorological yeild would decrease by 8.15,11.65,0.43,0.55 and 0.33 kg/hm2 respectively.”
✓ located verbatim in the source · abstract, characters 1142–1445

Title

Effects of climates factors on pasture yield of alpine Stipa steppe

Tian Hui-chun Caoye kexue 2010

Other claims from this paper (10)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Ash content decreased with growth.

Taxon: range vegetatione0
Organ / stage: growthe0
Outcome: ash contentse0
Direction: decreasee0

Verbatim

e0
“Crude protein (CP) and ash contents of range vegetation were found to decrease while Crude fiber (CF) and Dry matter yield (DM) had increased with growth.”
✓ located verbatim in the source · abstract, characters 784–938

Title

Rangelands Vegetation under Different Management Systems and Growth Stages in North Darfur State, Sudan (Range Attributes)

Mohamed AAMA Mohamed; Faisal Mohamed Ahmed El Hag; Ibrahim Ali Elnour International Journal of Environment 2014. doi:10.3126/ije.v3i3.11093

Other claims from this paper (9)

Observation Plant density differed significantly between closed and open areas.
Observation Vegetation cover differed significantly between closed and open areas.
Observation Biomass production differed significantly between closed and open areas.
Observation Closed rangelands had higher carrying capacity than open rangelands.
Association Crude protein content decreased with growth.
Association Crude fiber increased with growth.
Association Dry matter yield increased with growth.
Recommendation Closed rangelands were considered better than open rangelands because they were fenced and protected.
Observation Erosion index and vegetation degradation rate were very high.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Each unit increase in late-August mean temperature was associated with an 11.65 kg/hm2 decline in relative meteorological yield.

Taxon: S.sareptana var.kryloviiStipa sareptanae0
Treatment: late Auguste0
Outcome: relative meteorological yielde0
Direction: decreasee0
Value: 11.65e0
Qualifier: one unite0

Verbatim

e0
“mean temperature in early June and late August,accumulated temperature in middle April and early June,and precipitation in late May,were correlated negatively with relative meteorological yield of S.sareptana var.krylovii.As they increased by one unit,relative meteorological yeild would decrease by 8.15,11.65,0.43,0.55 and 0.33 kg/hm2 respectively.”
✓ located verbatim in the source · abstract, characters 1095–1445

Title

Effects of climates factors on pasture yield of alpine Stipa steppe

Tian Hui-chun Caoye kexue 2010

Other claims from this paper (10)

“yield decrease”

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