People : Shapiro, C.A.

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Biswas, S and Shapiro, C.A. and Kranz, W.L. and Mader, T.L. and Shelton, D.P. and Snow, D.D. and Bartlett-Hunt, S.L. and Tarkalson, D.D. and vanDonk, S.J. and Zhang, T.C. and Ensley, S.M. (2013) Current knowledge on the environmental fate, potential impact, and management of growth-promoting steroids used in the US beef cattle industry. Journal of Soil and Water Conservation. 68(4):325-336. 24 June 2013.

BARTELT-HUNT L, SHANNON and SNOW D, DANIEL and KRANZ L, WILLIAM and MADER L, TERRY and Shapiro, C.A. and VAN DONK J, SIMON and SHELTON P, DAVID and Tarkalson, D.D. (2012) Effect of Growth Promotants on the Occurrence of Endogenous and Synthetic Steroid Hormones on Feedlot Soils and in Runoff from Beef Cattle Feeding Operations. ENVIRONMENTAL SCIENCE AND TECHNOLOGY. 46:1352-1360. 3 January 2012.

Bartlelt-Hunt, S.L. and De Vivo, S and Johnson, L.C. and Snow, D.D. and Kranz, W.L. and Mader, T.L. and Shapiro, C.A. and Van Donk, S.J. and Shelton, D.P. and Zhang, T.C. and Tarkalson, D.D. (2013) Effect of composting on the fate of steroids in beef cattle manure. Journal of Environmental Quality. 42(4):1159-1166.

Biswas, S and Kranz, W.L. and Shapiro, C.A. and Bartelt-Hunt, S.L. and Mamo, M. and Snow, D.D. and Tarkalson, D.D. and Shelton, D.P. and Mader, T.L. and Van Donk, S.J. and Zhang, T.C. (2016) Effect of rainfall timing and tillage on the transport of steroid hormones in runoff from manure amended row crop fields. Journal of Hazardous Materials. 324:436-447. 4 November 2016.

Wortmann, C.C. and Shapiro, C.A. and Dobermann, Achim and Ferguson, Richard and Hergert, G and Walters, Daniel and Tarkalson, D.D. (2011) High yield corn production can result in high nitrogen use efficiency. International Plant Nutrition Institute, Better Crops. 95(4):14-15.

Wortmann, C.S. and Dobermann, A.R. and Ferguson, R.B. and Hergert, G.W. and Shapiro, C.A. and Tarkalson, D.D. and Walters, D.T. (2009) High-yielding corn response to applied phosphorus, potassium, and sulfur in Nebraska. Agronomy Journal. 101(3):546-555.

Zhang, T.C. and Ma, Rui and Bartelt-Hunt, S.L. and Qi, Yong and Kranz, W.L. and Snow, D.D. and Mader, T.L. and Shapiro, C.A. and Shelton, D.P. and Van Donk, S.J. and Tarkalson, D.D. (2015) Influence of soil properties and test conditions on sorption and desorption of testosterone. Journal of Environmental Engineering. 141(7). 20 January 2015.

Tarkalson, D.D. and Payero, J.O. and Ensley, S.M. and Shapiro, C.A. (2006) Nitrate accumulation and movement under deficit irrigation in soil receiving cattle manure and commercial fertilizer. Agricultural Water Management. 85:201-210.

Dobermann, A.R. and Wortmann, C.S. and Ferguson, R.B. and Hergert, G.W. and Shapiro, C.A. and Tarkalson, D.D. and Walters, D.T. (2010) Nitrogen Response and Economics for Irrigated Corn in Nebraska. Agronomy Journal. 103(1):67-75. 3 November 2010.

Wortmann, C.S. and Tarkalson, D.D. and Shapiro, C.A. and Dobermann, A.R. and Ferguson, R.B. and Hergert, G.W. and Walters, D.T. (2011) Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska. Agronomy Journal. 103(1):76-84. 15 March 2011.

Van Donk, S.J. and Bigas, S and Kranz, W.L. and Snow, D.D. and Bartlelt-Hunt, S.L. and Mader, T.L. and Shapiro, C.A. and Shelton, D.P. and Tarkalson, D.D. and Zhang, T.C. and Ensley, S.M. (2013) Transport of steroid hormones in the vadose zone after land application of beef cattle manure. TRANSACTIONS OF THE ASABE. 56(4):1327-1338. ISSN 2151-0032

Tarkalson, D.D. and Shapiro, C.A. and Petersen, J.L. (2010) Use of Fly Ash as a Liming Material of Corn and Soybean Production on an Acidic Sandy Soil. Crop Management. doi:10.1094/CM-2010-0426-01-RS. Available: http://www.plantmanagementnetwork.org/sub/cm/resea...

Biswas, S and Kranz, W.L. and Shapiro, C.A. and Mamo, M. and Bartlelt-Hunt, S.L. and Snow, D.D. and Tarkalson, D.D. and Shelton, D.P. and Mader, T.L. and van Donk, Simon J. and Zhang, T.C. (2013) Use of a surrogate to evaluate the impact of tillage on the transport of steroid hormones from manure-amended agricultural field. Transactions of the ASABE. 56:1379-1385.