a Article Blay, E.T. | Ntumy, J.K. | Ofosu-Anim, J. | Danquah, E.Y. Effect of poultry manure and/or inorganic fertilizer on the yield of shallot [Allium cepa var. aggergatum (G. Don)] PDF 2002 - Firenze University Press Fait partie de Advances in horticultural science [rivista dell'ortofloroftutticoltura italiana]. 16 (N.1), 2002
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