“Effect of Cultivar, Fulvic Acid and the Interaction Between Their on Some Physical and Chemical Properties and Yield of Broccoli Brassica Oleracea Var. Italica)”. 2022. University of Thi-Qar Journal of Agricultural Research 11 (1): 70-78. https://doi.org/10.54174/utjagr.v11i1.161.