The effect of activated charcoal on the adsorption of growth regulators and treat browning phenomenon of date palm Phoenix dactylifera L. in vitro. cbej [Internet]. 2022 Dec. 8 [cited 2024 Jul. 22];24(100):67-80. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6351