Soil, Water, and Ecosystem Sciences

PHOSPHORUS IN FLORIDA WATERSHEDS: SCIENCE AND APPLICATIONS

Module 2: How Florida Soils Interact with Phosphorus

Lecture 1: Overview of Florida soils and their distribution

Provides an overview of Florida soil morphology, of Florida soil types and distribution, and of how soil morphology gives clues to P dynamics.

References
- Kantz, R.S., T.S. Hoehn, K. Haddad, T. Rogers, T. Atkeson, and E. Estevez. 1998. Natural systems. p. 82-113. In: E.A. Fernald and E.D. Purdum (editors) Water Resources Atlas of Florida. Florida State University, Tallahassee, Florida. Library of Congress Catalog Number 98-072985 ISBN 0-9606708-2-3.
- Soil Survey Staff. 1993. Soil survey manual. USDA Natural Resources Conservation Service. U.S. Department of Agriculture Handbook 18. http://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_050993.pdf
- Soil Survey Staff. 2014. Keys to soil taxonomy. 12th ed. USDA-NRCS, Washington, DC., http://www.nrcs.usda.gov/wps/PA_NRCSConsumption/download?cid=stelprdb1252094&ext=pdf
- Watts, F.C., and M.E. Collins. 2008. Soils of Florida. Book and Multimedia Publishing Committee, Madison, WI.

Lecture 2: P dynamics as related to soil morphology and composition I

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Describes the morphological cues to processes affecting distribution of soil components, explains P-retaining components and their distributions, and discusses the value and limitations of soil taxonomy in predicting P loss risks.

References
- Harris, W.G., and V.W. Carlisle. 1987a. Clay mineralogical relationships in Florida Haplaquods. Soil Sci. Soc. Am. J. 51:481-484.
- Harris, W.G., V.W. Carlisle, and S.L. Chesser. 1987b. Clay mineralogy as related to morphology of Florida soils with sandy epipedons. Soil Sci. Soc. Am. J. 51:1673-1677.
- Harris, W.G., K.A. Hollien, and V.W. Carlisle. 1989. Pedon distribution of minerals in coastal plain Paleudults. Soil Sci. Soc. Am. J. 53:1901-1906.
- Harris, W.G., R.D. Rhue, G. Kidder, R.B. Brown and R. Littell. 1996. Phosphorus retention as related to morphology and taxonomy of sandy coastal plain soil materials. Soil Sci. Soc. Am. J. 60:1513-1521.
- Soil Survey Staff. 2014. Keys to soil taxonomy. 12th ed. USDA-NRCS, Washington, DC. http://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_051232.pdf

Lecture 3: P dynamics as related to soil morphology and composition II

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Explains phosphate bonding mechanisms, how soil components interact with P, P affinity of soil components, and how component distribution affects P dynamics.

References
- Chrysostome, M, V.D. Nair, W.G. Harris, and R.D. Rhue. 2007. Laboratory validation of soil phosphorus storage capacity predictions for use in risk assessment. Soil Sci. Soc. Am. J. 71:1564–1569.
- Goldberg, S., and G. Sposito. 1984b. a chemical model of phosphate adsorption by soils: II. Noncalcareous soils. Soil Sci. Soc. Am. J. 48:779-783.
- Johnston, C., and E. Tombacz. 2002. Surface chemistry of soils. p. 37-68. In J.B. Dixon and D. Schultz (eds.) Soil Mineralogy with Environmental Applications. Soil Sci. Soc. Am. Madison, WI.
- Rhue, R.D., and Harris, W.G. 1999. Phosphorus sorption/desorption reactions in soils and sediments. p. 187-206. In K.R. Reddy, G.A. O'Connor, and C.L. Schelske (ed.) Phosphorus biogeochemistry in subtropical ecosystems.

Lecture 4: Soil & hydrologic factors affecting P transport

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Describes P transport in soil and how distribution of soil components in conjunction with drainage influences P transport.

References
- Allen, L.H., Jr. 1987. Dairy siting criteria and other options for wastewater management on high water table soils. Soil Crop Sci. Soc. Fla. Proc. 47:108 127.
- Correll, D.L. 1998. The role of phosphorus in the eutrophication of receiving waters: a review. J. Environ. Qual. 27:261-266.
- Harris, W.G., R.D. Rhue, G. Kidder, R.C. Littell, and R.B. Brown. 1996. Phosphorus retention as related to morphology of sandy coastal plain soils. Soil Sci. Soc. Am. J. 60:1513−1521.
- Irick, D.I., Y.C. Li, P.W. Inglett, W.G. Harris, B. Gu, M.S. Ross, A.L. Wright, and K.W. Migliaccio. 2013. Characteristics of soil phosphorus in tree island hardwood hammocks of the Southern Florida Everglades. Soil Sci. Soc. Am. J. 77:1048-1056.
- Mansell, R.S., S.A. Bloom, and P. Nkedi-Kizza. 1995. Phosphorus transport in Spodosols impacted by dairy manure. Ecol. Eng. 5:281-299
- Nair, V.D., D.A. Graetz, and K.M. Portier. 1995. Forms of phosphorus in soil profiles from dairies of South Florida. Soil Sci. Soc. Am. J. 59:1244-1249.

Lecture 5: Risk-assessment implications of manure-amended, fertilizer-amended, and naturally-phosphatic soils

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Explains the nature of naturally-phosphatic soils and how the form of P makes a difference in its potential fate.

References
- Harris, W.G., H.D. Wang, and K.R. Reddy. 1994. Dairy manure influence on soil and sediment composition: Implications for P retention. J. Environ. Qual. 23:1071-1081.
- Harris, W.G. 2002. Phosphate minerals. p. 637-665. In J.B. Dixon and D. Schultz (eds.) Soil Mineralogy with Environmental Applications. Soil Sci. Soc. Am. Madison, WI.
- Ramnarine, R. 2003. Predicting phosphatic soil distribution in Alachua County, Florida. MS thesis, University of Florida, Soil and Water Science Department, Gainesville, FL.
- Wang, H.D., W.G. Harris, and T.L. Yuan. 1989. Phosphate minerals in some Florida phosphatic soils. Soil and Crop Soc. Fla. Proc. 48:49-55.

Soil, Water, and Ecosystem Sciences

Soil, Water, and Ecosystem Sciences

PHOSPHORUS IN FLORIDA WATERSHEDS: SCIENCE AND APPLICATIONS

Module 2: How Florida Soils Interact with Phosphorus

Lecture 1: Overview of Florida soils and their distribution

Lecture 2: P dynamics as related to soil morphology and composition I

Lecture 3: P dynamics as related to soil morphology and composition II

Lecture 4: Soil & hydrologic factors affecting P transport

Lecture 5: Risk-assessment implications of manure-amended, fertilizer-amended, and naturally-phosphatic soils

Next - Module 3: Use of Conventional Techniques for Evaluating Phosphorus in Soils