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Nitrogen Response and Economics for Irrigated Corn in Nebraska by Dobermann, A., Wortmann, C.S., Ferguson, R.B., Hergert, G.W., Shapiro, C.A., Tarkalson, D.D., Walters, D.T.

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Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska by Wortmann, C.S., Tarkalson, D.D., Shapiro, C.A., Dobermann, A.R., Ferguson, R.B., Hergert, G.W., Walters, D.

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