ABDULRHMAN, A.S. 2019. INFLUENCE OF SEEDS SOAKING PERIODS WITH DIFFERENT CONCENTRATIONS OF HUMIC ACID IN IMPROVEMENT THE GERMINATION AND GROWTH OF BITTER ORANGE SEEDS (Citrus aurantium). Journal of Duhok University. 21, 1 (Jan. 2019), 67-74. DOI:https://doi.org/10.26682/avuod.2019.21.1.8.