Vertical distribution of phosphorus in agricultural drainage ditch soils

Robert E. Vaughan, Brian A. Needelman, Peter J A Kleinman, Arthur L. Allen

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Pedological processes such as gleization and organic matter accumulation may affect the vertical distribution of P within agricultural drainage ditch soils. The objective of this study was to assess the vertical distribution of P as a function of horizonation in ditch soils at the University of Maryland Eastern Shore Research Farm in Princess Anne, Maryland. Twenty-one profiles were sampled from 10 agricultural ditches ranging in length from 225 to 550 m. Horizon samples were analyzed for total P; water-extractable P; Mehlich-3 P; acid ammonium oxalate-extractable P, Fe, and Al (Pox, Fe ox, Alox); pH; and organic C (n = 126), Total P ranged from 27 to 4882 mg kg-1, Pox from 4 to 4631 mg kg -1, Mehlich-3 P from 2 to 401 mg kg-1, and water-extractable P from. 0 to 17 mg kg-1. Soil-forming processes that result in differences between horizons had a strong relationship with various P fractions and P sorption capacity. Fibric organic horizons at the ditch soil surface had the greatest mean Pox, Feox, and Alox concentrations of any horizon class. Gleyed A horizons had a mean Feox concentrations 2.6 times lower than dark. A horizons and were significantly lower in total P and Pox. Variation in P due to organic matter accumulation and gleization provide critical insight into short- and long-term dynamics of P in ditch soils and should be accounted for when applying ditch management practices.

Original languageEnglish (US)
Pages (from-to)1895-1903
Number of pages9
JournalJournal of Environmental Quality
Volume36
Issue number6
DOIs
StatePublished - Nov 1 2007

Fingerprint

Phosphorus
Drainage
vertical distribution
drainage
phosphorus
Soils
soil
Biological materials
Oxalic Acid
Water
organic matter
Farms
oxalate
Sorption
ditch
management practice
soil surface
ammonium
sorption
Acids

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Vaughan, R. E., Needelman, B. A., Kleinman, P. J. A., & Allen, A. L. (2007). Vertical distribution of phosphorus in agricultural drainage ditch soils. Journal of Environmental Quality, 36(6), 1895-1903. https://doi.org/10.2134/jeq2006.0488
Vaughan, Robert E. ; Needelman, Brian A. ; Kleinman, Peter J A ; Allen, Arthur L. / Vertical distribution of phosphorus in agricultural drainage ditch soils. In: Journal of Environmental Quality. 2007 ; Vol. 36, No. 6. pp. 1895-1903.
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Vaughan, RE, Needelman, BA, Kleinman, PJA & Allen, AL 2007, 'Vertical distribution of phosphorus in agricultural drainage ditch soils', Journal of Environmental Quality, vol. 36, no. 6, pp. 1895-1903. https://doi.org/10.2134/jeq2006.0488

Vertical distribution of phosphorus in agricultural drainage ditch soils. / Vaughan, Robert E.; Needelman, Brian A.; Kleinman, Peter J A; Allen, Arthur L.

In: Journal of Environmental Quality, Vol. 36, No. 6, 01.11.2007, p. 1895-1903.

Research output: Contribution to journalArticle

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