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KALBARCZYK, E., KALBARCZYK, R. and RASZKA, B. 2011. Risk to Onion (Allium cepa L.) Field Cultivation in Poland from Precipitation Deficiency. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 39, 2 (Nov. 2011), 214-218. DOI:https://doi.org/10.15835/nbha3926351.