A. Mustafa, M., 		A. EL- Awad, S., 		M.H. Basheir, E., & 		M.A. Mustafa, A.
(2021).
 Effect of tillage system and spacing on growth and yield of sugar beet (Beta vulgaris L.), Kassala State, Sudan.
<em>Gezira Journal Of Agricultural Science, 17</em>(2), 265-275.
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