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ZHENGXIA DOU, B.S., M.S., PhD
Professor, Agricultural Systems, University of Pennsylvania School of Veterinary Medicine, Department of Clinical Studies, New Bolton Center


Contact Information:
University of Pennsylvania School of Veterinary Medicine Dept of Clinical Studies New Bolton Center 382 West Street Road
 Phone 610-925-6242
 Fax 610-925-6823
 Email douzheng@vet.upenn.edu

Agroecosystems(transformation and transport of nutrients, environmental fate of pollutants); Animal production systems (nutrient efficiency and pathways,pharmaceuticals, GHGs); Global food security.

Dou Z, Galligan DT, Allshouse RD, Toth JD, Ramberg CF Jr, Ferguson JD Manure Sampling for Nutrient Analysis: Variability and Sampling Efficacy Journal of Environmental Quality 30: 1432-7, 2001.

Dou Z, Kohn R, Knowlton KF, Wu Z, Toth JD, Zhang G, Ferguson J Phosphorus characteristics in dairy feces affected by diets. ASA-SSSA-CSSA Annual meeting, Charlotte, NC : , 2001.

Dou Z, Zhang GY, Stout WL, Toth JD, Ferguson JD Efficacy of Alum and Coal Combustion By-Products in Stabilizing Manure Phosphorus J. Environ. Qual. 32: 1490-7, 2003.

Dou Z, Ramberg CF, Toth JD, Wang C, Sharpley AN, Boyd SE, Chen CR, Williams D, Xu ZH Phosphorus Speciation and Sorption-Desorption Characteristics in Heavily Manured Soils. Soil Sci. Soc. Am. J. 73: 93-101, 2009.

Toth, J.D., Y. Feng, Z. Dou Veterinary Antibiotics at Environmentally Relevant Concentrations Inhibit Soil Iron Reduction and Nitrification. Soil Biol Biochem 43: 2470-2472, 2011.

Toth, J.D., S. Rankin, H. Aceto, Z. Dou* Survival characteristics of Salmonella enterica serovar Newport in the dairy farm environment. J. Dairy Sci. 94: 5238-5246, 2011.

Wang, F.H., L. Ma, W.Q. Ma, F.S. Zhang, Z. Dou. J.T. Sims The phosphorus footprint of China's food chain: implications for food security, natural resource management, and environmental quality. J. Environ. Qual. 40: 1081-1089, 2011.

W. Zhang, Z. Dou, P. He, X. Ju, D. Powlson, D. Chadwick, D. Norse,Y. Lu, Y. Zhang, L. Wu, X. Chen, K. G. Cassman, and F. Zhang New technologies reduce greenhouse gas emissions from nitrogenous fertilizer in China PNAS : , 2013.

Sims T, Ma L, Zhang F, Dou Z Nutrient Management, Food Security and the Environment: Global Challenges J. Environ. Qual. 42: 947-950, 2013.

Li, Y., W. Zhang, F. Zhang, O. Onema, and Z. Dou An analysis of China's fertilizer policies and its impacts on the industry and the environment J. Environ. Qual. : , 2013 (in press).

B.S. Yan'an University, China, 1982

M.S. Chinese Academy of Sciences, 1985

PhD Penn State University, 1993