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Research Bulletin (Iowa Agriculture and Home Economics Experiment Station)

Volume 35, Number 524 (1964) Soybean yields and plant composition as affected by phosphorus and potassium fertilizers

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Soybean yields and plant composition as affected by phosphorus and potassium fertilizers
R. J. Miller, J. T. Pesek, J. J. Hanway, and L. C. Dumenil