Effects of soil bulk density and water content on penetration resistance

Infrastructure installation (e.g., pipelines) disturbs soils, often resulting in increased soil compaction (bulk density [Bd] and penetration resistance [PR]). The relationship of PR to Bd, gravimetric water content (Θg), and a suite of other properties were determined on seven topsoils to provide a...

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Bibliographic Details
Published in:Agricultural & environmental letters 2022, Vol.7 (2), p.n/a
Main Authors: Lardy, Jarrett M., DeSutter, Thomas M., Daigh, Aaron L. M., Meehan, Miranda A., Staricka, James A.
Format: Article
Language:English
Subjects:
Bulk density
Gamma rays
Hydraulics
Mineralogy
Moisture content
Organic matter
Penetration
Penetration resistance
Reclamation
Soil compaction
Soil density
Soil water
Speciation
Topsoil
Vegetation
Water content
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Summary:Infrastructure installation (e.g., pipelines) disturbs soils, often resulting in increased soil compaction (bulk density [Bd] and penetration resistance [PR]). The relationship of PR to Bd, gravimetric water content (Θg), and a suite of other properties were determined on seven topsoils to provide a model and database for reclamation specialists to use when assessing disturbed soils. Penetration resistance had a strong linear association with Bd, but higher Θg reduced the range of PR as Bd increased. Step‐wise regression identified Bd, Θg, texture, clay speciation, and organic matter as significant factors to predict PR. The model predicts PR from 
ISSN:2471-9625
2471-9625
DOI:10.1002/ael2.20096