Research

 

My research interests include the environmental aspects of

soil physical and chemical properties. The use of geographic

information systems to analyze natural systems and the

development of bio-fuels

 

Publications

 

Schroeder P.D., and  L Fischer. 2009. Remote sensing to map mesquite

          biomass in southwest Oklahoma. (in preparation)

Schroeder. P.D., L Fischer, J. Ansley, and J.L. Dodd. 2009. Characteristics

 of mesquite stands in southwest Oklahoma. (in preparation)

Schroeder. P.D., and W.L. Daniels . 2009. Chemical and physical properties

of mineral sands mine soils in southeastern Virginia. Soil Sci.(in press)

Schroeder. P.D., and  J.L. Kovar. T.J. Sauer, and T.L. Moorman. 2009.

Changes in available soil phosphorus after application of turkey litter or

fertilizer and uptake by corn seedlings. (in preparation)

Schroeder. P.D., and J.L. Kovar. 2008. Comparison of the Phosphorus

Sorption Characteristics of a Conservation Reserve Buffer and an Adjacent

Crop Field. Commun. Soil Sci. Plant Anal. 39:2961-2970

Schroeder, P.D., D.E. Radcliffe, and M.L. Cabrera. 2006. Studying the

effects of phosphorus surface runoff. AgProfessional. Jan. 2006 pp. 66-69.

Schroeder. P.D., and J.L. Kovar. 2006. Comparison of Organic and

Inorganic Phosphorus Fractions in an Established Buffer and Adjacent

Production Field. Commun. Soil Sci. Plant Anal. 37:1219-1232.

Schroeder, P.D., D.E. Radcliffe, and M.L. Cabrera. 2004. Effect of

application rate and rainfall timing on phosphorus loss from surface applied

poultry litter. J Environ Qual. 33:2201-2209

Schroeder, P.D., D.E. Radcliffe, M.L. Cabrera, and C.D. Belew. 2004.

Relationship between soil test phosphorus and phosphorus in runoff: Effects

of soil series variability. J. Environ. Qual. 33:1452-1463

Daniels, W.L., P.D. Schroeder, S.M. Nagle, L.W. Zelazny, and M.M. Alley.

2003. Reclamation of prime farmlands following mineral sands mining in

Virginia. Min. Eng. 55(12):42-48.

S. T. Pierson, M. L. Cabrera, G. K. Evanylo, P. D. Schroeder, D. E.

Radcliffe, H. A. Kuykendall,V. W. Benson, J. R. Williams, C. S. Hoveland

and M. A. McCann. 2001. Phosphorus loss from grasslands fertilized with

 broiler litter. J. Environ. Qual. 30:1790-1795.

 

INVITED PRESENTATIONS

 

Schroeder, P.D. 2009. Application of GIS and remote sensing to estimate

mesquite biomass in southwest Oklahoma. Lawton-Ft. Sill GIS Day

April 16, 2009. Lawton. OK.

Schroeder, P.D. 2007. Mesquite mapping in Southwest Oklahoma.

Rangelands and Alternative Energy, Oklahoma Section Society for Range

Management – 2007 Annual Meeting. September 12-13, Ardmore, OK.

 

ABSTRACTS/PROCEEDINGS

 

Schroeder. P.D., L Fischer, J. Ansley, and J.L. Dodd. 2008. Mesquite for

ethanol: southwest Oklahoma mesquite mapping project. ASA Annual

Meeting, Oct. 5-9, Houston, TX.

Schroeder, P.D., M Johnson, and L. Fischer. 2006. Effects of manure

          application on wheat yield and soil properties in degraded prime farmland.

 ASA Annual Meeting, Nov 12-16, Indianapolis, IN.

Schroeder, P.D. and Kovar, J.L, 2005. Comparison of phosphorus sorption

and desorption from an established buffer and adjacent production field.

ASA Annual Meeting, November 6-10, Salt Lake City, UT.

Kovar, J.L., J.M. Kelly, Z.Y. Wang, and P.D. Schroeder. 2004. In-situ

dynamics of four macronutrients in the rhizosphere soil solution of maze,

 switchgrass, and cottonwood. Rhizosphere 2004 International Congress.

September 12-17, 2004. Munich, Germany.

Kovar, J.L, and P.D. Schroeder. 2004. Use of anion exchange

membranes to characterize positional availability of soil phosphorus.

228th ACS National Meeting, Philadelphia, PA, August 22-26, 2004.

Kovar, J.L., P.D. Schroeder, and K. Washburn. 2004.  Positional availability of

phosphorus from surface fertilizer bands. In Alan J. Schlegel (ed.). Proc.

Great Plains Soil Fertility Conference. March 2-3, Denver, CO.

Schroeder, P.D. and D.E. Radcliffe. 2003. Water quality monitoring in six central

Georgia watersheds with differing land uses. ASA Annual Meeting,

Denver, CO.

Daniels,W.L., Z.W. Orndorff, and P.D. Schroeder. 2003. Chemical and

physical properties of mineral sands mine soils in Southeastern Virginia. 20th

National Meeting of the Am. Soc. of Mining and Reclamation and The 9th

Billings Land Reclamation Symp., Billings MT, June 3-6, 2003.  Published

 by ASMR, 3134 Montavesta Rd., Lexington, KY 40502.

Daniels, W.L., P.D.  Schroeder, S. Nagle, L. Zelazny and M. Alley. 2002.

Reclamation of prime farmland following mineral sands mining in Virginia.

Preprint 02-132 for 2002 SME Annual Meeting, Feb. 25-27, Phoenix. SME,

Littleton, Co., 12 p.

Schroeder, P.D, D.E. Radcliffe, and M.L. Cabrera. 2002. Predicting

phosphorus loss from surface applied poultry litter. ASA Annual Meeting,

 Nov. 10-14, Indianapolis, IN.

Schroeder, P.D, D.E. Radcliffe, M.L. Cabrera, and C.D. Belew. 2001. Relationship

between soil test phosphorus and phosphorus in runoff from pastures and

hayfields in the Georgia piedmont. SERA 17 Annual Meeting. The

Pennsylvania State University, University Park, PA.

Schroeder, P.D. 1998. Intensive livestock production and nutrient

management. Nutrient Management Planning Conference.  Niagara Falls,

ON, CA.

Daniels, W.L., P.D. Schroeder, S.M. Nagle, L.W. Zelazny, and M.M. Alley.

1999. Reclamation of prime farmlands following mineral sands mining in

Virginia.  p. 146-156 In S.A. Bengson et al., (eds.) Proc. 16th Annual Meeting,

Am. Soc. for Surface Mining and Reclamation, August 13-19, Scottsdale, AZ.

Published by ASMR, 3134 Montavesta Rd., Lexington, KY 40502.

Schroeder, P.D., and E.R. Collins. 1998. Nutrient management and nutrient

distribution as affected by soil type and manure content. In J.P. Blake and

P.H. Patterson (ed.) Proc. 1998 National Poultry Waste Man. Symp.,

Oct 19-21, Fayetteville, AR. Auburn Univ. Press, Auburn, AL.

Schroeder, P.D. 1998. Implications of Pfiesteri and associated nutrient

issues. In P.D. Schroeder (ed.) Proc. Poultry Production and Nutrient Man.

Symp., Rockingham, VA. 30 Mar. 1998. VA Coop Ext. Harrisonburg VA.

Daniels, W.L., M.M Alley, L.W. Zelazny, Y.Z. Lei, V.A.L. Groover and P.D.

Schroeder. 1996. Strategies for rehabilitating prime farmlands following

mineral sands mining in Virginia, USA. p. 412-427. In D. Brooks et al. (ed.)

Proc. Third Int.  Minerals Council of Australia Env. Workshop, Newcastle –

NSW, Vol. 2, Minerals Council of Australia, Dickson, Australia.

Thomas, P.J., J.C. Baker, P.D. Schroeder, and H.L. Mast. 1994. Modeling the

relationship between shrink-swell indices and soil properties of expansive soils

 in the Culpeper basin in Virginia. ASA Annual Meeting, Seattle, WA.