irrigation

Shehata, S. A., A. Abou Elyazied, and M. M. El-Mogy, "Effect of fertilization and irrigation on yield and quality of sweet potato", .). Annals of Agric. Sci. Moshtohor, vol. 4, issue 44, pp. 1717 – 1724 , 2006.
Shehata, S. A., H. A. Hassan, G. A. Bkeer, and H. A. Hassan, "Effect of irrigation methods and potasium fertilizer levels on growth, yield and its quality of snap bean (Phaseolus vulgaris L.)", Annals of Agric. Sc., Moshtohor, ., vol. 1, issue 42, pp. 225-238, 2004.
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