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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mixture selection history decreased yield variability only in monocultures.

Taxon
mixturee0
Treatment
mixture selection historye0
Outcome
variabilitye0
Direction
decreasee0
Qualifier
only in monoculturese0

Not reportedComparator

Verbatim

e0

“a mixture selection history can increase yield productivity and decrease its variability, although only in monocultures”

✓ located verbatim in the source · abstract, characters 883–1002

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)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Mixture selection history decreased yield variability only in monocultures.

Taxon
crope1
Treatment
mixture selection historye0
Outcome
variabilitye0
Direction
decreasee0
Qualifier
only in monoculturese0

Verbatim

e0

“a mixture selection history can increase yield productivity and decrease its variability, although only in monocultures”

✓ located verbatim in the source · abstract, characters 883–1002
e1

“crop diversity experiment with seven species”

✓ located verbatim in the source · abstract, characters 396–440

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.6914928

Other claims from this paper (4)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mixture selection history increased yield productivity only in monocultures.

Taxon
mixturee0
Treatment
mixture selection historye0
Outcome
yield productivitye0
Direction
increasee0
Qualifier
only in monoculturese0

Not reportedComparator

Verbatim

e0

“a mixture selection history can increase yield productivity and decrease its variability, although only in monocultures”

✓ located verbatim in the source · abstract, characters 883–1002

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 effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Later nitrogen fertilization reduced its production benefit and tended to decrease dry yield.

Treatment
nitrogen fertilizere0
Outcome
dry pasturage yielde0
Direction
decrease tende0

Not reportedTaxonComparator

Verbatim

e0

“With fertilization time delay gradually,the role of nitrogen fertilizer on the increase production decreased uccording to the experiment data and there was decrease tend in the dry pasturage yield.”

✓ located verbatim in the source · abstract, characters 525–722

Title

Effect of Fertilization on Aboveground Biomass of Alpine Meadow in Region of Three-river Source

Zhang Dong-jie Chinese Qinghai Journal of Animal and Veterinary Sciences 2011

Other claims from this paper (7)
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Vertebrate species richness did not decrease with cacao yield in smallholder agroforests in Indonesia.

Outcome
vertebratese1
Direction
did not decreasee1
Setting
Indonesiae0

Verbatim

e0

“Here, we integrate biodiversity and crop productivity data for smallholder cacao in Indonesia to exemplify for tropical agroforests that there is little relationship between yield and biodiversity under current management”

✓ located verbatim in the source · abstract, characters 238–459
e1

“Species richness of trees, fungi, invertebrates, and vertebrates did not decrease with yield”

✓ located verbatim in the source · abstract, characters 529–621

Title

Combining high biodiversity with high yields in tropical agroforests

Yann Clough; Jan Barkmann; Jana Juhrbandt; et al. Proceedings of the National Academy of Sciences 2011. doi:10.1073/pnas.1016799108

Other claims from this paper (4)
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Species richness of trees, fungi and invertebrates did not decrease with cacao yield in smallholder agroforests in Indonesia.

Outcome
Species richness of trees, fungi, invertebratese1
Direction
did not decreasee1
Setting
Indonesiae0

Verbatim

e0

“Here, we integrate biodiversity and crop productivity data for smallholder cacao in Indonesia to exemplify for tropical agroforests that there is little relationship between yield and biodiversity under current management”

✓ located verbatim in the source · abstract, characters 238–459
e1

“Species richness of trees, fungi, invertebrates, and vertebrates did not decrease with yield”

✓ located verbatim in the source · abstract, characters 529–621

Title

Combining high biodiversity with high yields in tropical agroforests

Yann Clough; Jan Barkmann; Jana Juhrbandt; et al. Proceedings of the National Academy of Sciences 2011. doi:10.1073/pnas.1016799108

Other claims from this paper (4)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

apparent quantum yield declined as light intensity decreased.

Taxon
Solidago canadensisSolidago canadensist0
Treatment
decrease of light intensitye0
Outcome
apparent quantum yielde0
Direction
declinede0

Verbatim

e0

“The net photosynthetic rates,maximum net photosynthetic rates,light compensation point,light saturation point,and apparent quantum yield of S.canadensis declined with the decrease of light intensity”

✓ located verbatim in the source · abstract, characters 497–695
t0

“Solidago canadensis”

✓ located verbatim in the source · title, characters 47–66

Title

Photosynthetic Physiology and Clonal Growth of Solidago canadensis at Different Light Intensities:Implications for Invasive Mechanism

Sun Xiao JOURNAL OF WUHAN BOTANICAL RESEARCH 2008

Other claims from this paper (13)
Associationobservedoriginal resultsimulated

Claim · model-written summary

Coefficient A subsequently tended to decrease to a constant level in Populus deltoides.

Taxon
Populus deltoidesPopulus deltoidest0
Organ / stage
growth stagee0
Outcome
coefficient Ae0
Direction
decrease graduallye0
Qualifier
tendede0

Verbatim

e0

“With increasing τ, the coefficient A, the reciprocal of which means the asymptote of yield (=wρ) at a given growth stage, increased abruptly to a maximum value and then tended to decrease gradually to a constant level”

✓ located verbatim in the source · abstract, characters 925–1142
t0

“Populus deltoides”

✓ located verbatim in the source · title, characters 71–88

Title

Growth analysis of the competition–density effect in non-self-thinning Populus deltoides and Populus × euramericana plantations

Li Xue; Akio Hagihara Journal of Forest Research 2008. doi:10.1007/s10310-008-0070-z

Other claims from this paper (16)
Associationobservedoriginal resultsimulated

Claim · model-written summary

Coefficient A subsequently tended to decrease to a constant level in Populus × euramericana.

Taxon
Populus × euramericanaPopulus ×canadensist0
Organ / stage
growth stagee0
Outcome
coefficient Ae0
Direction
decrease graduallye0
Qualifier
tendede0

Verbatim

e0

“With increasing τ, the coefficient A, the reciprocal of which means the asymptote of yield (=wρ) at a given growth stage, increased abruptly to a maximum value and then tended to decrease gradually to a constant level”

✓ located verbatim in the source · abstract, characters 925–1142
t0

“Populus × euramericana”

✓ located verbatim in the source · title, characters 93–115

Title

Growth analysis of the competition–density effect in non-self-thinning Populus deltoides and Populus × euramericana plantations

Li Xue; Akio Hagihara Journal of Forest Research 2008. doi:10.1007/s10310-008-0070-z

Other claims from this paper (16)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Manioc yield may decrease at higher rainfall.

Outcome
Crop yieldse1
Direction
decreasee0
Qualifier
maye0
Setting
higher rainfall levelse0

Verbatim

e0

“manioc and maize may decrease at higher rainfall levels”

✓ located verbatim in the source · abstract, characters 599–654
e1

“Crop yields show no increase with rainfall”

✓ located verbatim in the source · abstract, characters 550–592

Title

An Ecological Perspective on Human Densities in the Central African Forest

R. F. W. Barnes; S . A. Lahm Journal of Applied Ecology 1997. doi:10.2307/2404862

Other claims from this paper (3)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Maize yield may decrease at higher rainfall.

Taxon
maizeZea mayse0
Outcome
Crop yieldse1
Direction
decreasee0
Qualifier
maye0
Setting
higher rainfall levelse0

Verbatim

e0

“manioc and maize may decrease at higher rainfall levels”

✓ located verbatim in the source · abstract, characters 599–654
e1

“Crop yields show no increase with rainfall”

✓ located verbatim in the source · abstract, characters 550–592

Title

An Ecological Perspective on Human Densities in the Central African Forest

R. F. W. Barnes; S . A. Lahm Journal of Applied Ecology 1997. doi:10.2307/2404862

Other claims from this paper (3)
Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Species density can be expected to decrease when dry matter production exceeds 6 to 7 t/ha.

Taxon
grasslandse0
Treatment
dry matter productione3
Outcome
Species densitye3
Direction
decreasee3

Verbatim

e0

“The relation between the dry matter production and species density of 27 grasslands with different fertilization histories”

✓ located verbatim in the source · abstract, characters 10–132
e3

“Species density can be expected to decrease when the dry matter production exceeds values of”

✓ located verbatim in the source · abstract, characters 666–758

Title

Yield and species density of grasslands during restoration management

M. J. M. Oomes Journal of Vegetation Science 1992. doi:10.2307/3235690

Other claims from this paper (3)
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)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

decrease the percentage of wild white clover

Taxon
PERMANENT PASTURESt0
Outcome
percentage of wild white clovere0
Direction
decreasee0

Not reportedTreatmentComparator

Verbatim

e0

“decrease the percentage of wild white clover”

✓ located verbatim in the source · abstract, characters 1063–1107
t0

“PERMANENT PASTURES”

✓ located verbatim in the source · title, characters 90–108

Title

THE EFFECTS OF VARIOUS INCREMENTS OF N, P AND K ON THE YIELD AND BOTANICAL COMPOSITION OF PERMANENT PASTURES

T. C. Chiasson Canadian Journal of Plant Science 1960. doi:10.4141/cjps60-034

Other claims from this paper (12)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

It actually tended to decrease yields during July and August

Taxon
PERMANENT PASTURESt0
Outcome
yieldse0
Direction
decreasee0

Not reportedTreatmentComparator

Verbatim

e0

“It actually tended to decrease yields during July and August”

✓ located verbatim in the source · abstract, characters 938–998
t0

“PERMANENT PASTURES”

✓ located verbatim in the source · title, characters 90–108

Title

THE EFFECTS OF VARIOUS INCREMENTS OF N, P AND K ON THE YIELD AND BOTANICAL COMPOSITION OF PERMANENT PASTURES

T. C. Chiasson Canadian Journal of Plant Science 1960. doi:10.4141/cjps60-034

Other claims from this paper (12)
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)
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Mean yield and utilization of true mountain mahogany were significantly negatively correlated (r=-0.90).

Taxon
true mountain mahoganye0
Outcome
mean yielde0
Direction
decreaseinferrede0
Value
r=-0.90e0
Comparator
mean utilizatione0

Verbatim

e0

“Mean yield and mean utilization were significantly (P<0.05) correlated (r=-0.90) for true mountain mahogany”

✓ located verbatim in the source · abstract, characters 675–782

Title

Mule Deer Numbers and Shrub Yield: Utilization on Winter Range

Allen E. Anderson; E. Medin; David C. Bowden Journal of Wildlife Management 1972. doi:10.2307/3799090

Other claims from this paper (5)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Under continuous heavy grazing, the more productive grasses decreased on the prairie.

Taxon
Stipa-Bouteloua prairiee0
Treatment
continuous heavy grazinge1
Outcome
more productive grassese1
Direction
decreasee1

Not reportedComparator

Verbatim

e0

“Stipa-Bouteloua prairie was grazed by sheep at three stocking rates over a 19-year period”

✓ located verbatim in the source · abstract, characters 0–89
e1

“Under continuous heavy grazing the vegetative cover and forage yield deteriorated mainly through the large increase in blue grama and the decrease in the more productive grasses”

✓ located verbatim in the source · abstract, characters 91–268

Title

Range Vegetation and Sheep Production at Three Stocking Rates on Stipa-Bouteloua Prairie

S. Smoliak Journal of Range Management 1974. doi:10.2307/3896432

Other claims from this paper (6)
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decrease in lotus yield with increasing altitude is attributed to increasing severity of climate.

Taxon
lotusLotust0
Outcome
lotus yielde7
Qualifier
increasing severity of climate (probably low temperatures)e7

Verbatim

t0

“EFFECTS OF FERTILISERS AND ENVIRONMENT ON LOTUS PRODUCTION ON HIGH COUNTRY ACID SOILS IN OTAGO”

✓ located verbatim in the source · title, characters 0–94
e7

“Decreasing lotus yield with increasing altitude is attributed to increasing severity of climate (probably low temperatures). The lower yields and greater decrease on the Lammerlaws suggest that the limitations are more severe there than at corresponding altitudes on the Remarkables”

✓ located verbatim in the source · abstract, characters 1661–1943

Title

EFFECTS OF FERTILISERS AND ENVIRONMENT ON LOTUS PRODUCTION ON HIGH COUNTRY ACID SOILS IN OTAGO

M.J.S. Floate; P.D. Mcintosh; W.H. Risk; et al. Proceedings of the New Zealand Grassland Association 1985. doi:10.33584/jnzg.1985.46.1685

Other claims from this paper (13)
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)
Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Limitations on the Lammerlaws are more severe than at corresponding altitudes on the Remarkables.

Taxon
lotusLotust0
Outcome
limitationse7
Direction
more severee7
Comparator
corresponding altitudes on the Remarkablese7
Setting
Lammerlawse7

Verbatim

t0

“EFFECTS OF FERTILISERS AND ENVIRONMENT ON LOTUS PRODUCTION ON HIGH COUNTRY ACID SOILS IN OTAGO”

✓ located verbatim in the source · title, characters 0–94
e7

“Decreasing lotus yield with increasing altitude is attributed to increasing severity of climate (probably low temperatures). The lower yields and greater decrease on the Lammerlaws suggest that the limitations are more severe there than at corresponding altitudes on the Remarkables”

✓ located verbatim in the source · abstract, characters 1661–1943

Title

EFFECTS OF FERTILISERS AND ENVIRONMENT ON LOTUS PRODUCTION ON HIGH COUNTRY ACID SOILS IN OTAGO

M.J.S. Floate; P.D. Mcintosh; W.H. Risk; et al. Proceedings of the New Zealand Grassland Association 1985. doi:10.33584/jnzg.1985.46.1685

Other claims from this paper (13)
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)
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Dung patches decreased herbs nearby.

Taxon
PERMANENT PASTUREt0
Treatment
dung patchese0
Outcome
herbse0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“In the 2‐ft.‐diameter circle around dung patches there was an increase in cocksfoot, creeping bent, red fescue and white clover, and a decrease in herbs”

✓ located verbatim in the source · abstract, characters 266–418
t0

“PERMANENT PASTURE”

✓ located verbatim in the source · title, characters 89–106

Title

THE LOCAL INFLUENCE OF CATTLE DUNG AND URINE UPON THE YIELD AND BOTANICAL COMPOSITION OF PERMANENT PASTURE

M. J. T. Norman; J. O. Green Grass and Forage Science 1958. doi:10.1111/j.1365-2494.1958.tb00108.x

Other claims from this paper (10)

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.