Potentiality of organic perennial crops farms in the River Nile State of Sudan
By: Ahmad, al-Jilani A.; Fiqqi, Hamid H. M.; al-Ubayd, Hashim. Journal of Science and Technology. Vol. 12, no. 4 (Dec. 2011), pp.17-33, 17 p.
Subjects: Organic agriculture; Sudan; Tropical crops