MOHAMMED, Hisham M. et al.
 Effects of skipping one irrigation at different growth stages on yield and water productivity of some maize (Zea mays L.) cultivars under heavy clay soils of central Sudan.
<strong>Gezira Journal of Agricultural Science</strong>, [S.l.], v. 15, n. 1, june 2017.
ISSN 1728-9556. Available at: &lt;<a href="http://37.60.236.48/index.php/gjas/article/view/106" target="_new">http://37.60.236.48/index.php/gjas/article/view/106</a>&gt;. Date accessed: 03 june 2026.