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Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend region-specific fertilizer rates based on spatial and temporal soil nutrient variation.

Outcome
confirm the optimal fertilizer levele0

Verbatim

e0

“different ecological regions should follow the spatial and temporal variability of soil available nutrient in cotton field at flower and boll stage to confirm the optimal fertilizer level”

✓ located verbatim in the source · abstract, characters 2302–2489

Title

Spatial and Temporal Variability of Available Nutrient in Cotton Field at Flower and Boll Stage and Its Effect on Lint Yield and Fiber Quality

Yang Zhi ACTA AGRONOMICA SINICA 2008

Other claims from this paper (15)
Method / resourceauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The approach generated spatial rice yield maps capturing within-field variability.

Outcome
spatially explicit rice yield mapse0
Value
within-field variabilitye0

Verbatim

e0

“the proposed approach provides accurate, spatially explicit rice yield maps that capture within-field variability”

✓ located verbatim in the source · abstract, characters 1371–1484
t0

“Rice Yield Prediction”

✓ located verbatim in the source · title, characters 0–21

Title

Rice Yield Prediction Model at Pixel Level Using Machine Learning and Multi-Temporal Sentinel-2 Data in Valencia, Spain

Rubén Simeón; Alba Agenjos-Moreno; Constanza Rubio; et al. Agriculture 2026. doi:10.3390/agriculture16020201

Other claims from this paper (10)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing soil organic carbon was associated with larger and more stable yields.

Compound
soil organic carbone0
Outcome
larger, more stable yieldse0
Direction
largere0

Verbatim

e0

“increasing soil organic carbon resulted in larger, more stable yields”

✓ located verbatim in the source · abstract, characters 1685–1754
t0

“Effects of Fertilizers and Manures on Temporal Yield Variability of Winter Rye”

✓ located verbatim in the source · title, characters 0–78

Title

Effects of Fertilizers and Manures on Temporal Yield Variability of Winter Rye

Marcin Studnicki; Janna Macholdt; Andy Macdonald; et al. Agronomy 2021. doi:10.3390/agronomy11030519

Other claims from this paper (4)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Yield was high in the northern study area in some years.

Taxon
cropt0
Outcome
yield valuese0
Direction
highe0
Qualifier
in some yearse0
Setting
Northern region of the study areae0

Verbatim

e0

“The yield values in the Northern region of the study area were high in some years”

✓ located verbatim in the source · abstract, characters 1268–1349
t0

“Spatial and temporal variability of crop yield and some Rhodic Hapludox properties under no-tillage”

✓ located verbatim in the source · title, characters 0–99

Title

Spatial and temporal variability of crop yield and some Rhodic Hapludox properties under no-tillage

Osvaldo Guedes Filho; Sidney Rosa Vieira; Márcio Koiti Chiba; et al. Revista Brasileira de Ciência do Solo 2010. doi:10.1590/s0100-06832010000100001

Other claims from this paper (2)
Method / resourceauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Temporal proximal sensing can assess plant water status, primary metabolism, yield and berry secondary metabolism.

Taxon
vineyardt0
Outcome
assessing plant water status, primary metabolism, yield and berry secondary metabolisme0
Comparator
temporal proximal sensing methodse0

Verbatim

e0

“Nonetheless, our study showed that it is possible to apply temporal proximal sensing methods when assessing plant water status, primary metabolism, yield and berry secondary metabolism”

✓ located verbatim in the source · abstract, characters 1885–2069
t0

“vineyard soil and canopy vegetation”

✓ located verbatim in the source · title, characters 20–55

Title

Proximal sensing of vineyard soil and canopy vegetation for determining vineyard spatial variability in plant physiology and berry chemistry

Runze Yu; Luca Brillante; Nazareth Torres; et al. OENO One 2021. doi:10.20870/oeno-one.2021.55.2.4598

Other claims from this paper (13)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soybean yield rose about twofold from 1930 to 1990.

Taxon
soybeanGlycine maxe0
Outcome
yielde0
Direction
increasede0
Value
about twofolde0
Setting
USAe4

Verbatim

e0

“From 1930 to 1990, yield of all crops increased, ranging from about twofold in soybean [ Glycine max (L.) Merr.], oat ( Avena sativa L.), and barley ( Hordeum vulgare L.) to about sixfold in maize ( Zea mays L.).”

✓ located verbatim in the source · abstract, characters 946–1158
e4

“Temporal variability in average crop yield in the USA was much smaller than typical spatial variability values reported by others for soil parameters.”

✓ located verbatim in the source · abstract, characters 1822–1972

Title

Fractal Description of Temporal Yield Variability of 10 Crops in the United States

Bahman Eghball; James F. Power Agronomy Journal 1995. doi:10.2134/agronj1995.00021962008700020003x

Other claims from this paper (9)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Corn yield stability improved in recent years.

Outcome
stabilitye0
Direction
improvede0
Comparator
earlier periodse0

Verbatim

e0

“corn yields demonstrated greater variability in earlier periods, stability has improved in recent years”

✓ located verbatim in the source · abstract, characters 1213–1316
t0

“corn”

✓ located verbatim in the source · title, characters 21–25

Title

Spatial and temporal corn yield variability in the US Corn Belt during the hybrid era

D Martinez; L Nowatzke; O G Kirchner; et al. Environmental Research Communications 2026. doi:10.1088/2515-7620/ae66cc

Other claims from this paper (6)
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The heteroskedastic gamma regression model outperformed the other models for explaining sugarcane yield variability in commercial fields, with R2 of 0.89.

Taxon
sugarcanee0
Outcome
explaining yield variabilitye0
Direction
outperformede0
Value
0.89e0
Comparator
other methodse0
Setting
commercial sugarcane fieldse0

Verbatim

e0

“The results indicate that the heteroskedastic gamma regression model outperformed the other methods in explaining yield variability, particularly in commercial sugarcane fields, achieving a Coefficient Determination (R2) of 0.89.”

✓ located verbatim in the source · abstract, characters 921–1150

Title

Predicting Sugarcane Yield Through Temporal Analysis of Satellite Imagery During the Growth Phase

Julio Cezar Souza Vasconcelos; Caio Simplicio Arantes; Eduardo Antonio Speranza; et al. Agronomy 2025. doi:10.3390/agronomy15040793

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

With 20% fine tuning, cross-year prediction improved to R² 0.83.

Taxon
winter wheatTriticum aestivumt0
Treatment
20% fine‐tuninge0
Outcome
predictione0
Direction
improvede0
Value
R 2 of 0.83e0

Not reportedComparator

Verbatim

e0

“DTL improved prediction to an R 2 of 0.83 with 20% fine‐tuning”

✓ located verbatim in the source · abstract, characters 1197–1259
t0

“winter wheat across temporal and spatial variability”

✓ located verbatim in the source · title, characters 70–122

Title

UAV‐based deep transfer learning to improve grain yield prediction in winter wheat across temporal and spatial variability

Swas Kaushal; Mohammad Maruf Billah; Mandeep Singh; et al. The Plant Phenome Journal 2026. doi:10.1002/ppj2.70085

Other claims from this paper (6)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The sugarcane yield gap fell from 58 to 42%.

Taxon
sugarcanet0
Outcome
yield gape0
Direction
decreasede0
Value
58 to 42%e0

Verbatim

e0

“yield gap consequently decreased from 58 to 42%”

✓ located verbatim in the source · abstract, characters 640–687
t0

“sugarcane”

✓ located verbatim in the source · title, characters 31–40

Title

Spatio-temporal variability of sugarcane yield efficiency in the state of São Paulo, Brazil

Fabio Ricardo Marin; Gustavo Luís de Carvalho Pesquisa Agropecuária Brasileira 2012. doi:10.1590/s0100-204x2012000200001

Other claims from this paper (5)

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