Analysis of seed yam varieties, sources and quantity demanded by farmers in major yam producing districts in Ghana

• Council for Scientific and Industrial Research (GH)

tel qu’imprimé : P. Boadu

• Kwame Nkrumah University of Science and Technology (GH)

tel qu’imprimé : R. Aidoo

• Kwame Nkrumah University of Science and Technology (GH)

tel qu’imprimé : K. Ohene-Yankyera

tel qu’imprimé : U. Kleih

• International Institute of Tropical Agriculture (NG)
• International Institute of Tropical Agriculture (NG)

tel qu’imprimé : T. Abdoulaye

tel qu’imprimé : J. Orchard

• International Institute of Tropical Agriculture (NG)
• International Institute of Tropical Agriculture (NG)

tel qu’imprimé : N. Maroya

• Council for Scientific and Industrial Research (GH)

tel qu’imprimé : M. Owusu

• Institute for Scientific and Technological Information (GH)
• Council for Scientific and Industrial Research (GH)

tel qu’imprimé : S. Bekoe