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2. Socio-economic and agro-economic implications of growing wheat in Sudan;Ali,1984
3. Effect of sowing method on crop establishment and yield of wheat in Rahad;Babiker,1992
4. The physiology of grain yield in wheat in an irrigated tropical environment;Ishag;Expl. Agric.,1991
5. Effect of different tillage systems on selected soil physical properties, wheat establishment and yield;Salih,1989