Khalifa, A., 		Hamed, I., 		Algali, M., 		Ahmed, S., 		Ali, A., 		Babiker, E., 		Ali, M., & 		Heng, L.
(2018).
 Effect of micro sprinkler irrigation intervals on onion (Allium cepa L.) production compared to surface irrigation under Kassala conditions, Sudan.
<em>Gezira Journal Of Agricultural Science, 16</em>(2).
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