@ARTICLE {AIGHEWI:2015, title = {Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)}, author = {Aighewi, B. and Asiedu, R. and Maroya, N. and Balogun, M. }, journal = {Food Security}, year = {2015}, volume = {7}, number = {4}, pages = {823--834}, issn = {1876-4517}, note = {RTB; Yam; WAHub; Published online: 02 July 2015}, doi = {10.1007/s12571-015-0481-6}, }