ELAMIN, Elwaleed M.; 						OMER, Mekki A..
 Effect of some tillage methods and sowing dates   on bulk density,  soil moisture  and sorghum yield   in the rainfed  areas of  northern Gedarif ,  Gedarif State , 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/109" target="_new">http://37.60.236.48/index.php/gjas/article/view/109</a>&gt;. Date accessed: 03 june 2026.