Effect of Soil Texture on Critical Bulk Densities for Root Growth
Abstract
Published and unpublished data from 10 studies were analyzed to determine the effects of soil texture on critical bulk densities for rooting at near‐optimum soil water contents. Highly significant negative relationships were found between percentage clay or silt + clay and the bulk density at which rooting was at a maximum or the bulk density at which rooting was 0.2 of that maximum. Similar relationships were also found between percentage clay or silt + clay and (i) the bulk densities of soil layers classified as fragipans and (ii) the maximum bulk densities at which “many” roots are reported in U.S. Soil Conservation Service pedon descriptions. Thus, soil texture can be used to estimate bulk densities of fragipans and critical bulk densities at which root growth is severely affected at near‐optimal soil water contents.
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Soil bulk density values across sites were below critical threshold values for restriction of root growth.
“Values for soil bulk density across sites were below critical threshold values for restriction of root growth [17].”
From Soil Carbon Storage by Switchgrass Grown for Bioenergy (2008) · cites this paper as [17]
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Soil Carbon Storage by Switchgrass Grown for Bioenergy
Liebig, M. A., Schmer, M. R., Vogel, K. P., & Mitchell, R. B. (2008) · BioEnergy Research · doi:10.1007/s12155-008-9019-5 · Cited by 203 · see citing works
Cropping system influences on soil physical properties in the Great Plains
Pikul, J. L., Schwartz, R. C., Benjamin, J. G., Baumhardt, R. L., & Merrill, S. (2006) · Renewable Agriculture and Food Systems · doi:10.1079/raf2005122 · Cited by 45 · see citing works
- Authors
- Jones, C. A.
- Affiliations
- Agricultural Research Service (US)
- Corresponding author
- Jones, C. Allan
- ORCID
- Jones, C. Allan
- Venue
- Soil Science Society of America Journal
- Publisher
- Wiley
- Published
- 1983-11
- Volume
- 47
- Issue
- 6
- Pages
- 1208-1211
- ISSN
- 0361-5995 (ISSN-L)
- 1435-0661
- OpenAlex
- W2160702564
- Cited by
- 274
- References
- 0
- Citations by year
- 2026: 8 · 2025: 6 · 2024: 7 · 2023: 6 · 2022: 9 · 2021: 14 · 2020: 14 · 2019: 15 · 2018: 15 · 2017: 10 · 2016: 16 · 2015: 13 · 2014: 12 · 2013: 11 · 2012: 2
- FWCI
- 4.18
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Soil Science Society of America Journal (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
- Physical Sciences › Engineering › Civil and Structural Engineering › Soil and Unsaturated Flow
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil erosion and sediment transport
- Keywords
- soil texture, root growth, clay content, silt clay, fragipan, soil compaction, soil moisture, root penetration, soil physical properties
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