The Effect of Potassium and Gibberellic Acid on Some Characteristics and Yield Components of Black Seed Plant (Nigella sativa L.). cbej [Internet]. 2022 Dec. 21 [cited 2026 Jun. 4];22(94):93-108. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8363