by Keya S.O
Published in FAO Economic and Social Development Series (FAO). no. 26 (1983)

by Dakora, F.D., Keya, S.O.
Published in Soil biology & biochemistry (01.05.1997)

by Dreyfus, B.L, Diem, H.G, Freire, J, Keya, S.O, Dommergues, Y.R. (ORSTOM, BP 1386, Dakar (Senegal))
Year of Publication 1987

by Keya, S.O, Mureria, N.K, Arshad, M.A
Published in Journal of arid environments (01.01.1982)

by Ssali, H, Keya, S.O
Published in East African agricultural and forestry journal (1985)

by Ssali, H, Keya, S.O
Published in East African agricultural and forestry journal (1985)

by Keya, S.O
Published in Biological nitrogen fixation in Africa : proc. of the First Conference of the African Association for Biological Nitrogen Fixation (AABNF) held in Nairobi, Kenya, 23 to 27 July 1984 / ed. H. Ssali ; S.O. Keya (1985)

by Keya S.O
Year of Publication 1980

by Keya S.O
Year of Publication 1980

by Ssali, H, Keya, S.O
Published in East African agricultural and forestry journal (1984)

by Keya, S.O
Published in Soils research in agroforestry : proceedings of an expert consultation held at International Council for Research in Agroforestry in Nairobi, Mar 26-30, 1979 / eds. H.O. Mongi and P.A. Huxley ; tech. ed. D. Spurgeon (1979)

by Mutitu, E.W, Mukunya, D.M, Keya, S.O
Published in Acta horticulturae (1988)

by Ssali, H, Keya, S.O
Published in Kenya journal of science and technology. Series B. Biological sciences (1982)

by Keya, S.O, Balasundaram, V.R
Published in Current perspectives in nitrogen fixation (1981)

by Keya S.O, Alexander M
Published in Soil Biology + Biochemistry (1975)

by Keya, S.O, Imbamba, S.K
Published in MIRCEN journal of applied microbiology and biotechnology (01.06.1986)

by Rodenburg, J, Diagne, A, Oikeh, S, Futakuchi, K, Kormawa, P.M, Semon, M, Akintayo, I, Cisse, B, Sie, M, Narteh, L, Nwilene, F, Diatta, S, Sere, Y, Ndjiondjop, M.N, Youm, O, Keya, S.O
Published in International Rice Commission Newsletter (FAO) (2006)

by Keya, S.O
Published in FAO Soils Bulletins (FAO) (1978)

by Keya, S.O., Alexander, M.
Published in Soil biology & biochemistry (01.05.1975)

by Ssali, H, Keya, S.O
Published in Biological agriculture & horticulture (1983)