A. Mahmood F, S. Mohamad H, H. Ali F. Interaction Effects of Drought Episode and Different Levels of Nitrogen on Growth, Chlorophyll, Proline and Leaf Relative Water Content. RSCI [Internet]. 2005 Dec. 1 [cited 2025 Sep. 29];16(14):128-45. Available from: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/46590