ABBAS, Al-Abbas M.; 						HASAN, Ahmed M..
 Effect of spraying zinc , tryptophan and thiamin on growth and yield of grapevine cv. "khalili".
<strong>Journal of Kerbala for Agricultural Sciences</strong>, [S.l.], v. 5, n. 1, p. 30-48, mar. 2018.
ISSN 2616-6933.
Available at: &lt;<a href="https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/145" target="_new">https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/145</a>&gt;. Date accessed: 15 nov. 2019.