ريس عراك, رنا.
 Response of some vegetative growth ponitars maize zea mays l.  To spray potasium and zinc.
<strong>Journal of Kerbala for Agricultural Sciences</strong>, [S.l.], v. 4, n. 1, p. 74-87, mar. 2017.
ISSN 2616-6933.
Available at: &lt;<a href="https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/84" target="_new">https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/84</a>&gt;. Date accessed: 15 nov. 2019.