Pflanzenernahrung (English, German, Paperback, Softcover reprint of the original 1st ed. 1969)
Daniel Isaac Arnon, Wolfgang Baumeister, W. U. Behrens, E. v. Boguslawski, M J Bukovac, H. Burghardt, M Erichsen, W. Flaig, W.H.J. Fuchs, Frank Grossmann
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