Maize and pigweed response to nitrogen supply and form von Teyker, R.H. (Illinois Univ., Urbana, IL (USA). Dept. of Agronomy), Hoelzer, H.D, Liebl, R.A

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Rates of Seed Treatment Insecticides and Control of Stewart's Wilt in Sweet Corn von Pataky, J.K, Michener, P.M, Freeman, N.D, Whalen, J.M, Hawk, J.A, Weldekidan, T, Teyker, R.H

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Seedling responses to band applied NH₄OH rates and to N form in two maize hybrids von TEYKER, R.H.

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Influence of Nitrogen Form on Extracellular pH and Bentazon Uptake by Cultured Soybean (Glycine max) Cells von Liebl, Rex A., Zehr, Usha B., Teyker, Robert H.

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Seedling responses to band applied NH(4)OH rates and to N form in two maize hybrids von Teyker, R.H. (National Fertilizer and Environmental Research Center, Muscle Shoals, AL (USA). Agricultural Research Dept.)

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Exogenous 15NO3- influx and endogenous 14NO3- efflux by two maize (Zea mays L.) inbreds during nitrogen deprivation von Teyker, R.H, Jackson, W.A, Volk, R.J, Moll, R.H

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