The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Relationships Between Soil Test Phosphorus, Soluble Phosphorus, and Phosphorus Saturation in Delaware Soils
Abstract
Methods to identify agricultural soils that contribute to nonpoint‐source pollution of surface waters by P are of increasing importance, particularly in areas with high animal densities (animal units per hectare of cropland). Our objective was to determine the relationship between agronomic soil test P (STP = Mehlich 1) and other soil P tests proposed to measure the potential for P loss by erosion, runoff, and leaching. We compared STP with soluble P, P in the “fast desorbing pool” (strip P), and soil P saturation for 127 soils (122 from Delaware and five from the Netherlands). Soil test P was significantly correlated with total , soluble , strip , and oxalate‐extractable Strip P was a better predictor of soluble P than The ratio of strip P/P ox (the percentage of reversibly sorbed P in the fast desorbing pool) increased as P sorption capacity, estimated from oxalate‐extractable Al and Fe (Al ox + Fe ox ), decreased. We also determined the degree of P saturation (DPS) using three methods: Langmuir P sorption isotherms; oxalate extractions of P, Al, and Fe; and STP plus a single‐point P sorption index (PSI). Soluble P, STP, and desorbable P increased for DPS values >30%, similar to upper DPS limits in the Netherlands and Belgium. Soils rated agronomically excessive in STP (>50 mg kg −1 ) had higher ratios of soluble P, strip P, and P ox to total P than those in agronomically optimum or lower categories.
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Cites
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Cited by
Soil and surface runoff phosphorus relationships for five typical USA midwest soils
Allen, B. L., Mallarino, A. P., Klatt, J. G., Baker, J. L., & Camara, M. (2006) · Journal of Environmental Quality · doi:10.2134/jeq2005.0135 · Cited by 75
Ranking connectivity risk for phosphorus loss along agricultural drainage ditches
Moloney, T., Fenton, O., & Daly, K. (2020) · Science of The Total Environment · doi:10.1016/j.scitotenv.2019.134556 · Cited by 46
Impact of P inputs on source-sink P dynamics of sediment along an agricultural ditch network
Ezzati, G., Fenton, O., Healy, M. G., Christianson, L., Feyereisen, G. W., Thornton, S., Chen, Q., Fan, B., Ding, J., & Daly, K. (2020) · Journal of Environmental Management · doi:10.1016/j.jenvman.2019.109988 · Cited by 37
Metadata
- Authors
- Pautler, M. C., & Sims, J. T.
- Venue
- Soil Science Society of America Journal
- Publisher
- Wiley
- Published
- 2000-03
- Volume
- 64
- Issue
- 2
- Pages
- 765-773
- ISSN
- 0361-5995 (ISSN-L)
- 1435-0661
- OpenAlex
- W1971950917
- Cited by
- 306
- References
- 29
- FWCI
- 6.91
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pautler, M. C., & Sims, J. T. (2000). Relationships Between Soil Test Phosphorus, Soluble Phosphorus, and Phosphorus Saturation in Delaware Soils. Soil Science Society of America Journal. https://doi.org/10.2136/sssaj2000.642765x
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