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