A. HASOON, Elham et al. Effect of irrigation water of the main out full with addiation Gypsum Phosphate on growth of barley ( Hordeum Vulgare ). Journal of Kerbala for Agricultural Sciences, [S.l.], v. 4, n. 2, p. 133-144, june 2017. ISSN 2616-6933. Available at: <https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/219>. Date accessed: 24 nov. 2019.