Nedunchezhiyan, M.; Byzu, G.; Naskar, S. K. Yield Potential and Economics of Elephant Foot Yam (Amorphophallus Paeoniifolius) + Greengram (Vigna Radiata) Intercropping System As Influenced by Mulching and Fertilizers Levels. Indian J Agri Sci 2008, 78 (1).