Search claims · PlantClaims

Method / resourceobservedoriginal resultnegativesimulated

Claim · model-written summary

Selecting a less suitable response function predicted nitrogen overapplication and reduced net returns.

Taxon: SwitchgrassPanicum virgatumt0
Outcome: farmers’ net returnse0
Direction: a decreasee0
Comparator: a less suitable response functione0

Verbatim

e0
“Overapplication of N and a decrease in farmers’ net returns were predicted when a less suitable response function was selected to determine optimal N rates”
✓ located verbatim in the source · abstract, characters 1213–1368

t0
“Switchgrass”
✓ located verbatim in the source · title, characters 0–11

Title

Switchgrass Yield Response Functions and Profit‐Maximizing Nitrogen Rates on Four Landscapes in Tennessee

Christopher N. Boyer; Donald D. Tyler; Roland K. Roberts; et al. Agronomy Journal 2012. doi:10.2134/agronj2012.0179

Other claims from this paper (3)

Method / resource A linear response stochastic plateau function best fit three landscapes.
Method / resource A quadratic function best fit the poorly drained floodplain.
Observation The suitable yield response function and optimizing nitrogen rates varied among landscapes.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

SPACSYS effectively simulated crop yield and soil organic carbon dynamics.

Outcome: crop yields and the dynamics of SOC stocke0

Not reportedComparator

Verbatim

e0
“SPACSYS effectively simulated crop yields and the dynamics of SOC stock.”
✓ located verbatim in the source · abstract, characters 1037–1109

Title

Both yields of maize and soybean and soil carbon sequestration in typical Mollisols cropland decrease under future climate change: SPACSYS simulation

Shuo Liang; Nan Sun; Bernard Longdoz; et al. Frontiers in Sustainable Food Systems 2024. doi:10.3389/fsufs.2024.1332483

Other claims from this paper (13)

Observation Projected maize yield fell 14.5% on average in Harbin under climate change.
Observation Projected maize yield fell 13.3% in Gongzhuling.
Observation Projected soybean yield fell 10.6% on average.
Observation Spring wheat yield was projected to rise 2.5% on average, without statistical significance.
Observation Projected soil organic carbon stock declined 8.2% in Harbin.
Observation Projected soil organic carbon stock declined 7.6% in Gonghzuling.
Observation Future climates reduced carbon sequestration efficiency 6.0% in Harbin except NPK.
Observation Future climates reduced carbon sequestration efficiency 13.4% in Gongzhuling.
Intervention effect Manure amendments gave higher crop yields than chemical fertilization.
Intervention effect Manure amendments gave higher annual soil carbon stocks than chemical fertilization.
Intervention effect Manure amendments gave higher annual carbon sequestration efficiency than chemical fertilization.
Association Soil carbon sequestration efficiency decreased exponentially as accumulated carbon input increased.
Intervention effect The carbon sequestration efficiency asymptote with manure was higher than with other treatments.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

NDVI was an earlier indicator of decline than yield loss.

Taxon: grapevineVitist0
Outcome: normalised difference vegetation index (NDVI) indicatorse0
Direction: earliere0
Comparator: yield losse0

Verbatim

e0
“mortality rate and the normalised difference vegetation index (NDVI) indicators were shown to be earlier indicators of grapevine decline than yield loss (yield achievement ratio, YAR)”
✓ located verbatim in the source · abstract, characters 1436–1619

t0
“grapevine”
✓ located verbatim in the source · title, characters 23–32

Title

A systemic approach to grapevine decline diagnosed using three key indicators: plant mortality, yield loss and vigour decrease

Anne MEROT; Guillaume Coulouma; Nathalie Smits; et al. OENO One 2023. doi:10.20870/oeno-one.2023.57.1.5575

Other claims from this paper (9)

Association Farmers’ perceptions agreed with field measures of decline.
Observation Vine mortality spread progressively over years.
Association The survey and historical analysis found no direct link between decline and yield loss.
Observation Yield fluctuated annually without systematically declining.
Method / resource Mortality rate was an earlier indicator of decline than yield loss.
Method / resource Ground based NDVI indicators were proposed for accessible decline diagnosis.
Method / resource An aerial photograph image analysis method was proposed for accessible decline diagnosis.
Association NDVI indicators correlated linearly with yield achievement ratio.
Association NDVI indicators correlated linearly with mortality rate.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Four homogeneous management zones were defined.

Taxon: crope1
Outcome: homogeneous zonese0
Value: Foure0

Verbatim

e0
“Four homogeneous zones satisfying these requirements were then defined.”
✓ located verbatim in the source · abstract, characters 1990–2061

e1
“historical crop-yield data”
✓ located verbatim in the source · abstract, characters 1629–1655

Title

Introducing innovative precision farming techniques in agriculture to decrease carbon emissions.

Donato Cillis Padua@research (University of Padova) 2018

Other claims from this paper (15)

Intervention effect Strip tillage reduced crop yield by 20% versus conventional tillage.
Intervention effect No tillage reduced crop yield by 15% versus conventional tillage.
Intervention effect Precision agriculture increased total crop yield by over 10% in conservation tillage.
Intervention effect Minimum tillage with precision agriculture had 2% higher net energy than conventional tillage.
Intervention effect Precision agriculture enhanced strip tillage net energy by almost 20% versus uniform application.
Intervention effect Precision agriculture enhanced no tillage net energy by almost 20% versus uniform application.
Intervention effect Precision agriculture with minimum tillage increased energy efficiency 10% over conventional tillage.
Intervention effect Precision agriculture with no tillage increased energy efficiency 2% over conventional tillage.
Intervention effect Precision agriculture with strip tillage increased energy efficiency 15% versus fixed input rates.
Observation SALUS projected soil organic carbon stock loss across treatments.
Intervention effect Minimum tillage simulated 17% less soil organic carbon loss than conventional tillage.
Intervention effect No tillage simulated 63% less soil organic carbon loss than conventional tillage.
Intervention effect Conservation tillage reduced farming operation carbon emissions.
Intervention effect Precision agriculture optimized fossil fuel and fertilizer use.
Intervention effect No tillage with precision agriculture reduced total CO2 by 56% versus conventional tillage.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The method decreased the relative ratio of chloroplast DNA.

Taxon: soybeanGlycine maxe1
Outcome: relative ratio of chloroplast DNAe0
Direction: decreasee0
Comparator: seeds using the IMP Boom methode0

Verbatim

e0
“DNA extracted from seeds using the IMP Boom method showed an increase in the percentage of the nuclear genome with a decrease in the relative ratio of chloroplast DNA”
✓ located verbatim in the source · abstract, characters 1390–1556

e1
“soybean seeds”
✓ located verbatim in the source · abstract, characters 675–688

Title

Development of a High-Quality/Yield Long-Read Sequencing-Adaptable DNA Extraction Method for Crop Seeds

Naohiro Shioya; Eri Ogiso-Tanaka; Masanori Watanabe; et al. Plants 2023. doi:10.3390/plants12162971

Other claims from this paper (9)

Method / resource The method yielded approximately 8 µg DNA per gram of soybean seed.
Method / resource The method gave an average soybean seed DNA concentration of 48.3 ng/µL, about 40-fold above a common kit.
Method / resource The extracted DNA had an A260/280 value of 1.90 above the quality threshold.
Method / resource The extracted DNA had an A260/230 value of 2.43 above the quality threshold.
Method / resource The DNA integrity number was 8.1, above the kit and CTAB methods.
Method / resource Long-read sequencing gave a read length N50 of 20.96 kbp, above other methods.
Method / resource Long-read sequencing gave a maximum read length of 127.8 kbp, above other methods.
Method / resource The method increased the percentage of nuclear genome reads.
Method / resource The method could also be adapted to pea, okra, maize and sunflower seeds.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

Models accounting for enviromic information decreased error variance.

Taxon: alfalfa (Medicago sativa L.)Medicago sativae1
Treatment: models accounting to the enviromics informatione0
Outcome: error variancee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“models accounting to the enviromics information led to an increase of genetic variance and a decrease in the error variance”
✓ located verbatim in the source · abstract, characters 640–763

e1
“Breeding for dry matter yield and persistence in alfalfa (Medicago sativa L.)”
✓ located verbatim in the source · abstract, characters 0–77

Title

Идентификация математической модели в виде полиномиальной рекуррентной нейронной сети и настройка регуляторов электропривода с сериесным двигателем

И. А. Орловский Радіоелектроніка, інформатика, управління 2011. doi:10.1002/tpg2.20306

Other claims from this paper (11)

Method / resourceobservedoriginal resultnegativemeasured

Claim · model-written summary

Adding GWAS-identified SNPs and NIRS data tended to reduce prediction accuracy within and across cycles.

Outcome: prediction accuracye0
Direction: decreasee0
Qualifier: both within and between breeding cyclese0

Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValue

Verbatim

e0
“incorporating significant SNP markers identified by GWAS and NIRS data into the models tended to decrease prediction accuracy both within and between breeding cycles”
✓ located verbatim in the source · abstract, characters 1095–1260

Title

GWAS-assisted and multitrait genomic prediction for improvement of seed yield and canning quality traits in a black bean breeding panel

Paulo Izquierdo; Evan M Wright; Karen Cichy G3 Genes Genomes Genetics 2025. doi:10.1093/g3journal/jkaf007

Other claims from this paper (6)

Method / resource Prediction accuracy was moderate for black bean yield and canning appearance.
Method / resource Prediction accuracy was high for black bean color retention.
Method / resource Single- and multitrait models did not differ significantly within a breeding cycle.
Method / resource Across cycles, multitrait models surpassed single-trait models by up to 45% for canning appearance.
Method / resource Across cycles, multitrait models surpassed single-trait models by up to 63% for seed yield.
Method / resource Model prediction accuracy generally rose as genotypes from the new breeding cycle were added.

Method / resourceobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The percentage decline in Δ F / Fm ′ 14s after dehydration correlated with cultivar drought susceptibility index at r = 0·72.

Outcome: percentage decrease of Δ F / Fm ′ 14se0
Value: r = 0·72e0
Comparator: drought susceptibility index (DSI)e0

Not reportedTaxonDirection

Verbatim

e0
“The percentage decrease of Δ F / Fm ′ 14s after dehydration was correlated with the drought susceptibility index (DSI) of the cultivars, evaluated on a yield basis and a significant correlation ( r = 0·72, P < 0·001) was found.”
✓ located verbatim in the source · abstract, characters 966–1193

Title

The quantum yield of photosynthetic electron transport evaluated by chlorophyll fluorescence as an indicator of drought tolerance in durum wheat

Z. Flagella; D. Pastore; R. G. Campanile; et al. The Journal of Agricultural Science 1995. doi:10.1017/s0021859600084823

Other claims from this paper (4)

Intervention effect Dehydration lowered leaf Δ F / Fm ′ 14s by an average of 20%.
Intervention effect The 200-second Δ F / Fm ′ measure showed no great difference between dehydrated and control leaves.
Intervention effect The 14-second Fv ′/ Fm ′ measure showed no great difference between dehydrated and control leaves.
Intervention effect The 200-second Fv ′/ Fm ′ measure showed no great difference between dehydrated and control leaves.

Method / resourceobservedoriginal resultno effectprojected

Claim · model-written summary

EPIC projected no change in corn yield under the fine scale scenario.

Taxon: cornZea mays subsp. mayst0
Direction: no changee0
Comparator: fine scale scenarioe0

Not reportedOutcomeValue

Verbatim

e0
“EPIC simulated a decrease for the coarse scenario but no change for the fine scale scenario”
✓ located verbatim in the source · abstract, characters 568–659

t0
“for wheat and corn”
✓ located verbatim in the source · abstract, characters 61–79

Title

Comparative responses of EPIC and CERES crop models to high and low spatial resolution climate change scenarios

L. O. Mearns; T. Mavromatis; E. Tsvetsinskaya; et al. Journal of Geophysical Research Atmospheres 1999. doi:10.1029/1998jd200061

Other claims from this paper (5)

Method / resource CERES projected moderate corn yield decreases under both scenarios.
Method / resource EPIC projected a corn yield decrease under the coarse scenario.
Method / resource The models also differed in simulated wheat yields.
Mechanism Model differences in yield arose from contrasting formation of final yield despite similar potential biomass simulation.
Method / resource Crop model type was identified as an uncertainty in impact assessment alongside climate scenario spatial resolution.

Method / resourceobservedoriginal resultpositivesimulated

Claim · model-written summary

The 2D model decreased nRMSE for aboveground biomass by 2.5–4.8 % points compared with the 1D model.

Outcome: ABe0
Direction: decreasee0
Value: 2.5–4.8 %e0
Comparator: 1D modele0

Verbatim

e0
“a decrease of 1.5–2.5 % and 2.5–4.8 % points in nRMSE for grain yield and AB, respectively, compared with those of 1D model”
✓ located verbatim in the source · abstract, characters 1525–1648

Title

Establishing and assessing a new two-dimensional module in CERES-maize for maize production under mulched drip irrigation

Dan Wang; Yan Mo; Juan Xiao; et al. Agricultural Water Management 2025. doi:10.1016/j.agwat.2025.109824

Other claims from this paper (8)

Method / resource The modified 2D CERES-Maize model decreased the Absolute Relative Error for maize emergence date by 11.2 % points.
Method / resource The modified model decreased the Absolute Relative Error for maize anthesis date by 1.8 % points.
Method / resource The modified model decreased the Absolute Relative Error for maize maturity date by 2.1 % points.
Method / resource The modified model reduced the normalized RMSE for grain number per ear by 1.5 % points.
Method / resource The modified model reduced the normalized RMSE for aboveground biomass by 5.9 % points.
Method / resource The 2D model decreased nRMSE for grain yield by 1.5–2.5 % points compared with the 1D model.
Method / resource The 2D model simulated the differences of maize actual evapotranspiration under different irrigation quotas very well (nRMSE below 10 %).
Method / resource The 2D model decreased nRMSE for maize actual evapotranspiration by 2.2–5.9 % points compared with the 1D model.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics