Irigoyen, I., I. Domeño, and J. Muro. “The Effect of Defoliation on the Yield of Leek (Allium Porrum L.)”. Spanish Journal of Agricultural Research 8, no. 2 (July 10, 2010): 434-439. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/1194.