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1Agricultural value of cultivar species mixtures in Poland Agricultural value of cultivar species mixtures in Polandby Gacek, E.S., FAO, Rome (Italy) eng, Nadziak, J., Czembor, H.J., El Bassam, N. (ed.), Behl, R.K. (ed.), Prochnow, B. (ed.), Bundesforschungsanstalt fuer Landwirtschaft, Braunschweig (Germany) oth
Published 1998Texto bibliotecaFAO IT