1. Effect of irrigation interval and nitrogen level on yield and some physical properties of Virginia tobacco var. F.C. Special;Al-Attabi;Iraqi Journal of Agricultural Sciences, ZANCO,1988
2. Assimi MH 2002 Determining the water application rate in supplementary tobacco irrigation
3. Assimi MH Biglonie M Moghaddam S 2004 Effect of irrigation management on tobacco yield in comparison with dry land farming
4. Response of dark tobacco cv. Criollo to different levels of soil moisture;Cordero;Ciencia y Tecnica en la Agricultura, Tabaco,1985