Soil organic matter as sole indicator of soil degradation von Obalum, S.E., Chibuike, G.U., Peth, S., Ouyang, Y.

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The potential of fermented cottonseed oil-mill effluent as inexpensive biofertilizers and its agronomic evaluation on medium-textured tropical soil von Okorie, E. E., Obalum, S. E., Singh, L.

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Substitution of manure source and aerator in nursery media on sandy loam topsoil and their fertility indices 4 months after formulation von Adubasim, C. V., Igwenagu, C. M., Josiah, G. O., Obalum, S. E., Okonkwo, U. M., Uzoh, I. M., Sato, S.

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Improving on the Prediction of Cation Exchange Capacity for Highly Weathered and Structurally Contrasting Tropical Soils from Their Fine-Earth Fractions von Obalum, S E, Watanabe, Y, Igwe, C A, Obi, M E, Wakatsuki, T

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Physical properties of a sandy loam Ultisol as affected by tillage-mulch management practices and cropping systems von Obalum, S.E., Obi, M.E.

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Comparative topsoil characterization of sawah rice fields in selected inland valleys around Bida, north-central Nigeria: textural, structural and hydrophysical properties von Obalum, S. E., Nwite, J. C., Oppong, J., Igwe, C. A., Wakatsuki, T.

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Use of poultry droppings for remediation of crude-oil-polluted soils: Effects of application rate on total and poly-aromatic hydrocarbon concentrations von Ezenne, G.I., Nwoke, O.A., Ezikpe, D.E., Obalum, S.E., Ugwuishiwu, B.O.

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SOIL WATER BALANCE AND GRAIN YIELD OF SORGHUM UNDER NO-TILL VERSUS CONVENTIONAL TILLAGE WITH SURFACE MULCH IN THE DERIVED SAVANNA ZONE OF SOUTHEASTERN NIGERIA von OBALUM, S. E., AMALU, U. C., OBI, M. E., WAKATSUKI, T.

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Reduced tillage and compost effects on soil aggregate stability of a silt-loam Luvisol using different aggregate stability tests von Obalum, S.E., Uteau-Puschmann, D., Peth, S.

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Quantitative Separation of Nitrogen and Non-Nitrogen Rotation Benefits for Maize Following Velvet Bean Under Selected Soil Management Practices von Uzoh, I. M., Obalum, S. E., Igwe, C. A., Abaidoo, R. C.

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Spatial variability of uncultivated soils in derived savanna von Obalum, S.E., Oppong, J., Igwe, C.A., Watanabe, Y., Obi, M.E.

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Long-term effects of lowland sawah system on soil physicochemical properties and rice yield in Ashanti Region of Ghana von Obalum, S. E., Oppong, J., Nwite, J. C., Watanabe, Y., Buri, M. M., Igwe, C. A., Wakatsuki, T.

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AIR-DRYING EFFECT ON SOIL REACTION AND PHOSPHORUS EXTRACTABILITY FROM UPLAND-LOWLAND TROPICAL SOILS AS RELATED TO THEIR COLLOIDAL STABILITY von OBALUM, S. E.

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Comparison of three land evaluation systems in capability assessment of soils of coastal plains sand in Southeastern Nigeria von Ukaegbu, E.P., Jidere, C.M., Osuaku, S.K., Obalum, S.E.

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Off-Season Heavy Application of Poultry Manure to Droughty-Acid Soils under Heavily Protective Organic Mulch Later Burnt to Ash Improves Their Productivity von Onah, C.J, Nnadi, A.L, Eyibio, N.U, Obi, J.O, Orah, A.I, Amuji, C.F, Obalum, S.E

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Overlooked Influence of Indian Hemp Cultivation on Soil Physicochemical Fertility of Humid Tropical Agroecosystems: Lowland Soils von Kolo, J, Ukabiala, M. E, Osakwe, U. C, Parah, J. B, Nyamapfene, K, Obalum, S. E, Hassan, A. M, Nnabude, P. C, Igwe, C. A

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Variations in selected soil physical properties with landforms and slope within an inland valley ecosystem in Ashanti region of Ghana von Obalum, Sunday E., Nwite, John C., Oppong, James, Igwe, Charles A., Wakatsuki, Toshiyuki

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Soil Degradation-Induced Decline in Productivity of Sub-Saharan African Soils: The Prospects of Looking Downwards the Lowlands with the Sawah Ecotechnology von Obalum, Sunday E., Buri, Mohammed M., Nwite, John C., Hermansah, Watanabe, Yoshinori, Igwe, Charles A., Wakatsuki, Toshiyuki

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Some utilisation options for cattle dung as soil amendment and their effects in coarse-textured Ultisols and maize growth von Ndzeshala, Solange D, Obalum, Sunday E, Igwe, Charles A

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Differences in carbon and nitrogen retention and bacterial diversity in sandy soil in response to application methods of charred organic materials von Oraegbunam, Chidozie J., Obalum, Sunday E., Watanabe, Toshihiro, Madegwa, Yvonne M., Uchida, Yoshitaka

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