Symbiotic nitrogen fixation in tropical grain legumes and their contribution to sustainable agriculture. Tropical legumes worked on include Bambara groundnut (Vigna subteranea) Soyabean (Glycine max) and cowpea (Vigna unguiculata). Other areas include the Management of legume fallows for the cultivation of maize in the southern zone of Ghana.
List of Selected Publications
- Kumaga F.K. K. Ofori and E. Marfo-Ahenkora (2006). Nodulation Dry matter and Nitrogen Accumulation of Mucuna (Mucuna puriens var utilis) in response to Bradyrhizobia inoculation. International Journal of Agriculture and Biology. 8 (1): 138-141.
- Ofori K. F.K. Kumaga and A. Tonyigah (2006). Morphological characterization and agronomic evaluation of Bambara groundnut (Vigna subterranean (L.) Verdc.) germplasm in Ghana. Plant Genetic Resources Newsletter 145:23-28. R.K. Bam
- F.K. Kumaga . K. Ofori and E.A. Asiedu (2006). Germination Vigour and Dehydrogenase Activity of Naturally Aged Rice (Oryza sativa L.) seeds soaked in Potassium and Phosphorus salts. Asian Journal of Plant Sciences 5(b) 948-955.
- Kumaga F. K. and K. Ofori (2004). Response of soybean (Glycine max (L.) Merrill) to Bradyrhizobia Inoculation and Phosphorus Application. International Journal of Agriculture and Biology. 6(2): 324-327.
- F. K. Kumaga S.G.K Adiku and K. Ofori (2003). Effect of Post-flowering water stress on dry matter and yield of three Tropical grain legumes. International Journal of Agriculture and Biology. 5(4): 405-407.
- W. Dogbe J. O. Fening R.W.K Kumaga and S.K.A Danso (2002). Maximizing the benefits of using mucuna on farmers' fields. Tropical Science 42: 87-91.
- Padma Somasegaran R.C. Abaidoo and F. Kumaga (1989). Host-Bradyrhizobium Relationships and nitrogen fixation in the Bambara groundnut [Voandzea subterranea (L.) Thouars nom. cons]. Tropical Agric. (Trinidad) 67 (2): 137-142