Graduate Students



Student Years at AU and degree Dissertation or Thesis Title
Rick Brown
2008 to present - MS
Development of Soil Test Recommendations for Native Biofuels
Alex Johnson
2008 to present - MS Cropping Systems for White-Tailed Deer in Alabama
Justin Roberts
2006 to present - M. Agric.

Laura Sturgeon
2006 to 2008 - MS
Fertilizer value of densified broiler litter.
Matthew Levi
2005 to 2008 - MS
Management dependent soil properties of cultivated versus non-cultivated SE Coastal Plain ecosystems.
Michael Mulvaney
2004 to present - PhD
High residue no-till with organic mulches under conservation tillage.
Peanut residue decomposition under conservation and conventional tillage.
Ellen Knight 2004 to 2007 - MS Ammonia volatilization from slow release fertilizers applied to turf.
Bernard Meso* 2004 - 2005 - PhD Composition and decomposition of peanut residues.
Catherine Gachengo 2004 to 2008 - PhD Impact of cropping systems, soil and terrain attributes on greenhouse gas emissions.
Ashley Hammac 2002 to 2005 -MS Impact of pelletizing on nutrient release from poultry litter.
Staci Fleming 2000 - 2002-MS Impact of on-site sewage disposal systems on surface water quality in Hospelika Creek watershed in Alabama.
Scott Taylor 2000 - 2002-MS Effects of starter nitrogen and planting date on late-planted soybeans.
Stacy Faulkner 1998 - 2001-MS Using tillage and forage systems to remove phosphorus from nutrient over loaded soils. 
Lionel Isaac 1997 - 2001-PhD Carbon and nitrogen cycling in alley cropping systems in Haiti.
M.R. Bender 1995 - 2001-PhD Agroecosysem management effects on nitrous oxide and methane emissions.
Dana Sullivan 1996 - 1999-MS Nitrogen and phosphorus fluxes in swine waste amended bermudagrass pastures.
Sam Marshall 1995 - 1999-PhD Nitrogen fluxes in fescue pastures fertilized with broiler litter in major land resource areas of the southeastern U.S.
Manuel Sandoval Villa 1995 - 1999-PhD Nitrogen form, length of ammonium supply and solution strength effects on greenhouse tomatoes.
Zhiqin Ma 1995 - 1999-PhD Carbon sequestration by switchgrass.
Detra Boutwell 1995 - 1998-MS Nitrogen management under drip fertigated tomatoes.
Michael Starling 1995 - 1997-MS Effects of starter nitrogen and growth habit on late-planted double-cropped soybean.
Maribeth Duqueza 1994 - 1996-MS Evaluation of nitrogen bioavailability indices for poultry wastes.
William Lee 1992 - 1995-MS Interactive effects of wheel-traffic and tillage system on soil carbon and nitrogen.
Frank Henning 1992 - 1995-MS Effects of elevated atmospheric carbon dioxide on carbon and nitrogen cycling in soybean and sorghum agroecosystems.
Brenda Hall  1990 - 1993-MS Broiler litter effects on crop production, soil properties, and water quality.
Bob Flynn 1990 - 1995-PhD Comparative evaluations of composted broiler litter for crop production. 
Billy Kingery 1990 - 1994-PhD Impact of land-applied poultry wastes on environmentally related soil properties and processes.

* Deceased.

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