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 Correlating sugarcane productivity in Halfa, Sennar and Kenana sugar cane schemes to time course and annual rainfall.
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ISSN 1728-9556. Available at: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjas/article/view/956" target="_new">http://journals.uofg.edu.sd/index.php/gjas/article/view/956</a>&gt;. Date accessed: 25 june 2026.