The Effect of Variety , Gibberellic Acid And NPK Fertilizer and their Interactions On Absorption and Transport Rates of Some Macronutrient Elements in Chamomile plant. IHJPAS [Internet]. 2017 May 8 [cited 2024 Apr. 27];25(2). Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/625