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Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Little advantage is expected from subsoil testing for annual crops.

Taxon
annual cropse2
Outcome
subsoil testinge2
Qualifier
little advantage would be expectede2

Verbatim

e2

“little advantage would be expected from subsoil testing for annual crops”

✓ located verbatim in the source · abstract, characters 263–335

Title

The Significance of Subsoil and Soil Series in Nebraska Soil Testing1

R. A. Olson; A. F. Dreier; R. C. Sorensen Agronomy Journal 1958. doi:10.2134/agronj1958.00021962005000040005x

Other claims from this paper (3)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Potassium testing on Coastal Plain soils should include subsoil samples.

Taxon
Wheat and SoybeansGlycine maxTriticum aestivumt0
Outcome
subsoil samplinge0
Setting
Coastal Plain soilse0

Verbatim

e0

“Testing for K on Coastal Plain soils should involve subsoil sampling”

✓ located verbatim in the source · abstract, characters 1441–1509
t0

“Wheat and Soybeans”

✓ located verbatim in the source · title, characters 41–59

Title

Potassium Fertilization of Doublecropped Wheat and Soybeans under Two Tillage Systems

G. K. Evanylo jpa 1991. doi:10.2134/jpa1991.0555

Other claims from this paper (8)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend subsoil nitrate testing for fertilizer management.

Treatment
Soil testinge0
Outcome
subsoil analysis for nitrate Ne0

Verbatim

e0

“Soil testing, especially subsoil analysis for nitrate N, should be an important input for managing fertilizer N”

✓ located verbatim in the source · abstract, characters 6388–6499
t0

“Winter Wheat”

✓ located verbatim in the source · title, characters 31–43

Title

Nitrate Leaching in Continuous Winter Wheat: Use of a Soil‐Plant Buffering Concept to Account for Fertilizer Nitrogen

G. V. Johnson; W. R. Raun jpa 1995. doi:10.2134/jpa1995.0486

Other claims from this paper (11)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Subsoil nutrient status was closely correlated with topsoil nutrient status.

Taxon
small grainse3
Outcome
subsoil nutrient statuse1
Direction
close correlatione1
Comparator
topsoile1

Verbatim

e1

“Rather close correlation of subsoil nutrient status with that of the topsoil was noted”

✓ located verbatim in the source · abstract, characters 170–256
e3

“Fertilizer yield response data for small grains in the case of phosphorus verified the laboratory observations”

✓ located verbatim in the source · abstract, characters 337–447

Title

The Significance of Subsoil and Soil Series in Nebraska Soil Testing1

R. A. Olson; A. F. Dreier; R. C. Sorensen Agronomy Journal 1958. doi:10.2134/agronj1958.00021962005000040005x

Other claims from this paper (3)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Phosphorus fertilizer yield response data for small grains verified the laboratory observations.

Taxon
small grainse3
Treatment
phosphoruse3
Outcome
Fertilizer yield responsee3
Qualifier
verified the laboratory observationse3

Verbatim

e3

“Fertilizer yield response data for small grains in the case of phosphorus verified the laboratory observations”

✓ located verbatim in the source · abstract, characters 337–447

Title

The Significance of Subsoil and Soil Series in Nebraska Soil Testing1

R. A. Olson; A. F. Dreier; R. C. Sorensen Agronomy Journal 1958. doi:10.2134/agronj1958.00021962005000040005x

Other claims from this paper (3)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Relative yield of wheat was closely related to soil exchangeable K.

Compound
soil exchangeable Ke0
Outcome
Relative yielde0

Not reportedDirection

Verbatim

e0

“Relative yield was closely related to soil exchangeable K”

✓ located verbatim in the source · abstract, characters 979–1036
e1

“conducted with wheat on loam-textured soils”

✓ located verbatim in the source · abstract, characters 573–616

Title

Subsoil testing required to detect the rundown of soil potassium to deficient levels for wheat production on loam-textured soils

Craig A. Scanlan; Richard Bell; Miaomiao Cheng; et al. Crop and Pasture Science 2024. doi:10.1071/cp24195

Other claims from this paper (4)
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The best soil test calibration curve was for soil sampling at 0-40 cm.

Outcome
best soil test calibration curvee0
Value
0–40 cme0

Verbatim

e0

“The best soil test calibration curve was for sampling 0–40 cm”

✓ located verbatim in the source · abstract, characters 1143–1204

Title

Subsoil testing required to detect the rundown of soil potassium to deficient levels for wheat production on loam-textured soils

Craig A. Scanlan; Richard Bell; Miaomiao Cheng; et al. Crop and Pasture Science 2024. doi:10.1071/cp24195

Other claims from this paper (4)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Nebraska soil series were established in definite categories with regard to pH, K and P status.

Taxon
small grainse3
Outcome
definite categories with regard to pH, K and P statuse4
Setting
Nebraskae4

Verbatim

e4

“Laboratory testing and field trials of fertilizers have established the important Nebraska soil series in definite categories with regard to pH, K and P status”

✓ located verbatim in the source · abstract, characters 9–168
e3

“Fertilizer yield response data for small grains in the case of phosphorus verified the laboratory observations”

✓ located verbatim in the source · abstract, characters 337–447

Title

The Significance of Subsoil and Soil Series in Nebraska Soil Testing1

R. A. Olson; A. F. Dreier; R. C. Sorensen Agronomy Journal 1958. doi:10.2134/agronj1958.00021962005000040005x

Other claims from this paper (3)
Associationobservedoriginal resultmeasured

Claim · model-written summary

The goodness of fit of the soil test calibration curves increased as the depth of soil sampling increased.

Treatment
depth of samplinge0
Outcome
goodness of fit of the soil test calibration curvese0

Not reportedDirection

Verbatim

e0

“the goodness of fit of the soil test calibration curves increased as the depth of sampling increased”

✓ located verbatim in the source · abstract, characters 1041–1141
e1

“conducted with wheat on loam-textured soils”

✓ located verbatim in the source · abstract, characters 573–616

Title

Subsoil testing required to detect the rundown of soil potassium to deficient levels for wheat production on loam-textured soils

Craig A. Scanlan; Richard Bell; Miaomiao Cheng; et al. Crop and Pasture Science 2024. doi:10.1071/cp24195

Other claims from this paper (4)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Authors conclude that soil sampling at 0-40 cm on loam-textured soils gives the most accurate monitoring of soil K deficiency for wheat production.

Outcome
soil sampling at 0–40 cme0
Setting
loam-textured soilse0

Verbatim

e0

“soil sampling at 0–40 cm on loam-textured soils will provide the most accurate monitoring of soil K deficiency for wheat production”

✓ located verbatim in the source · abstract, characters 1392–1523

Title

Subsoil testing required to detect the rundown of soil potassium to deficient levels for wheat production on loam-textured soils

Craig A. Scanlan; Richard Bell; Miaomiao Cheng; et al. Crop and Pasture Science 2024. doi:10.1071/cp24195

Other claims from this paper (4)

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