Search Results - Okogun, J.

Can introduced and indigenous rhizobial strains compete for nodule formation by promiscuous soybean in the moist savanna agroecological zone of Nigeria? by Okogun, J.A., Sanginga, N.

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Soybean yield determinants and response to rhizobial inoculation in an onfarm trial in the northern Guinea savanna of Nigeria by Okogun, J., Otuyemi, B., Sanginga, P.

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Differences in mycorrhizai infection and P uptake of sweet potato cultivars (Ipomoea batatas L.) during their early growth in three soils by Mulongoy, K., Callens, A., Okogun, J.

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Nitrogen contribution of five leguminous trees and shrubs to alley cropped maize by Okogun, J., Sanginga, P., Mulongoy, N.

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The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria by Sanginga, N., Okogun, J., Vanlauwe, Bernard, Dashiell, Kenton E.

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Phosphorus requirement and nodulation of herbaceous and shrub legumes in low P soils of a Guinean Savanna in Nigeria by Sanginga, N., Okogun, J.A., Akobundu, I.O., Kang, B.T.

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Nitrogen fixation and N contribution by promiscuous nodulating soybeans in the southern Guinea savanna of Nigeria by Sanginga, N., Dashiell, Kenton E., Okogun, J.A., Thottappilly, G.

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Onfarm evaluation of biological nitrogen fixation potential and grain yield of Lablab and two soybean varieties in the northern Guinea savanna of Nigeria by Okogun, J., Sanginga, Nteranya, Abaidoo, Robert C., Dashiell, Kenton E., Diels, J.

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Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop by Nwoke, O.C., Okogun, J.A., Sanginga, Nteranya, Diels, J., Abaidoo, Robert C., Osonubi, O.

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Evaluation of symbiotic properties and nitrogen contribution of mucuna to maize grown in the derived savanna of West Africa by Sanginga, N., Ibewiro, B., Houngnandan, P., Vanlauwe, Bernard, Okogun, J.A., Akobundu, I.O., Versteeg, M.

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Genotypic variation of soybean for phosphorus use efficiency and their contribution of N and P to subsequent maize crops in three ecological zones of West Africa by Abaidoo, Robert C., Sanginga, Nteranya, Okogun, J.A., Kolawole, G.O., Tossah, B.K., Diels, J.

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