A model was developed to estimate cone index from bulk density and soil texture.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Outcome: estimate CI from bulk densitye1

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Verbatim

e1
“A model was developed to estimate CI from bulk density”
✓ located verbatim in the source · abstract, characters 729–783

Title

Bulk Density Values Diagnostic of Restricted Root Growth in Coarse‐textured Soils

M. J. Vepraskas Soil Science Society of America Journal 1988. doi:10.2136/sssaj1988.03615995005200040042x

Other claims from this paper (2)

Intervention effect Subsoiling increased tobacco root number and yield above minimum bulk density values of 1.58 to 1.66 Mg m −3 across four textural classes.
Observation Root concentration would be zero at bulk densities of 1.80 to 1.85 Mg m −3 for the same textural classes.

Record rev-e7e3207414174387a977084894dd6e486d5a5a2aa0d1441b83d14727bee0947e · schema claims-v0.9 · position 1 in the model’s answer