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Robertson, G
Donk, S.V
Dobermann, A
Rosa, A.T
Ruark, M.D
Nelson, R
Kissel, D.E
Carstens, D
Spray, H.C
Dygert, C
Karamanos, R
Stucker, R.E
Paul, R
Thom, W.O
Kovacs, P
Cattanach, A.W
Waggoner, A
Vigil, M.F
Oltmans, R.R
Grigera, M.S
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Authors
Ruiz Diaz, D.A
Rosa, A.T
King, E.W
Kovacs, P
Casteel, S
Mallarino, A.P
Oltmans, R.R
Rosa, A.T
Ruiz Diaz, D.A
Gutierrez, M.N
Edwards, C.L
Gardner, T
Lorence, A
Thom, W.O
Lamond, R.E
Whitney, D.A
Vigil, M.F
Kissel, D.E
Schmitt, M.A
Stucker, R.E
Hicks, D.R
Francis, D.D
Schepers, J.S
Vigil, M.F
Cattanach, A.W
Lamb, J
Hilde, D
Thom, W.O
Carstens, D
Carstens, G
Walters, D.T
Dobermann, A
Cassman, K.G
Drijber, R
Lindquist, J
Specht, J
Yang, H
Grigera, M.S
Drijber, R.A
Wienhold, B.J
Yang, H.S
Dobermann, A
Cassman, K.G
Walters, D.T
Dobermann, A
Ferguson, R
Hergert, G
Shapiro, C
Tarkalson, D
Walters, D
Wortmann, C
Viswakumar, A
Sundermeier, A
Mullen, R.W
Dygert, C
Nafziger, E.D
Spray, H.C
Heard, J
Karamanos, R
Severson, R
Lamb, J
P Glogoza, D.H
Bisek, R
Nelson, R
Shapiro, C
Biswas, S
Kranz, W
Shelton, D
Mamo, M
Mader, T
Snow, D
Donk, S.V
Bartelt-Hunt, S
Zhang, T
Tarkalson, D
Walters, A.M
Ruark, M.D
Gaska, J.M
Zegler, C
Conley, S.P
Carter, P
Sirolli, R
Robertson, G
Hora, M
Ruark, M
Waggoner, A
Topics
N fixation in cover crop systems
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Poster
Year
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1. Overview of Manure Handling on Steroid Movement in Agricultural Fields from Beef Cattle Systems

Manure generated from concentrated animal feeding operations may serve as a source of steroids in surface water and potentially in groundwater. The objectives of this research were to determine the amount of steroids and metabolites in runoff from beef cattle production pens, and from runoff and leaching from crop production fields. Cattle were fed a synthetic progestagen, MGA or melengestrol acetate and treated with zeranol, trenbolone acetate, and estradiol implants, while a second group was not...

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