Biological Nitrogen Fixation by Local and Improved Genotypes of Cowpea in Burkina Faso (West Africa): Total Nitrogen Accumulated can be used for Quick Estimation

Bado, B V and Sedogo, M and Lompo, F and Maman Laminou, S M (2018) Biological Nitrogen Fixation by Local and Improved Genotypes of Cowpea in Burkina Faso (West Africa): Total Nitrogen Accumulated can be used for Quick Estimation. Advances in Agriculture, 2018 (964192). pp. 1-8. ISSN 2356-654X