Alwan, T. A., Abdulrahman, A. L. and Aswad, I. K. (2009) “EFFECT OF IRRIGATION SYSTEM AND SOIL LEVELING STATUS ON YIELD AND WATER USE EFFICIENCY BY MAIZE IN CALCAREOUS SOIL ”, Diyala Agricultural Sciences Journal , 1(2), pp. 37–51. Available at: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3167 (Accessed: 30 April 2026).