| Influence of termite infestation on the spatial variability of soil properties in the Guinea savanna region of Nigeria JC Obi, AO Ogunkunle Geoderma 148 (3-4), 357-363, 2009 | 46 | 2009 |
| Distribution of dithionite and oxalate-extractable iron oxides of a catena in the basement complex soils of southwestern Nigeria. JC Obi, GE Akinbola, HI Anozie | 27 | 2009 |
| Development of pedotransfer functions for coastal plain soils using terrain attributes JC Obi, PI Ogban, UJ Ituen, BT Udoh Catena 123, 252-262, 2014 | 26 | 2014 |
| Effect of termite infestation on the farming system characteristics of an endemic area in the guinea savanna region of Nigeria JC Obi, AO Ogunkunle, NT Meludu American-Eurasian Journal of Scientific Research 3 (1), 1-6, 2008 | 25 | 2008 |
| Classification and characterization of some pedons on basement complex in the forest environment of Southwestern Nigeria. GE Akinbola, HI Anozie, JC Obi Nigerian Journal of Soil Science 19 (1), 109-117, 2009 | 23 | 2009 |
| Nutrient budget for optimal oil palm (Elaeis guineensis Jacq) yield on coastal plain sands soils of Akwa Ibom State Nigeria JC Obi, BT Udoh Open Journal of Soil Science 2 (03), 289, 2012 | 20 | 2012 |
| Identification of soil management factors from spatially variable soil properties of coastal plain sands in Southeastern Nigeria JC Obi, BT Udoh Open Journal of Soil Science 1 (2), 25-39, 2011 | 20 | 2011 |
| Characteristics, potentials, and constraints of wetland soils for agricultural development in Akwa Ibom State, South-Eastern Nigeria PI Ogban, GS Effiong, JC Obi, T Ibia Nig. J. Agric. Food Environ 7 (2), 80-87, 2011 | 14 | 2011 |
| Prediction of characteristics of coastal plain soils using terrain attributes JC Obi Agro-Science 14 (3), 22-26, 2015 | 9 | 2015 |
| Particle size fractions and pedogenesis of coastal plain sands JC Obi Archives of Agronomy and Soil Science 61 (10), 1473-1490, 2015 | 8 | 2015 |
| Termite activities and surface characteristics of coastal plain sands JC Obi, TO Ibia, AI Isaiah Agro-Science 18 (1), 56-66, 2019 | 7 | 2019 |
| Effect of land use on potassium form of coastal plain sands of Nigeria JC Obi, TO Ibia, PB Eshiet Chemistry and Ecology 32 (3), 238-258, 2016 | 7 | 2016 |
| Relationships between phosphorus forms and parent materials in soils of Southeastern Nigeria. TO Ibia, GS Effiong, PI Ogban, JC Obi | 7 | 2008 |
| Mycorrhiza fungi Distribution in six different soil types of south western Nigeria JC Akanbi, FM Owoade Journal of Agronomy 2, 52-55, 2008 | 7 | 2008 |
| Spatial dependence of some physical properties of a typic plithaqaualf on the basement complex in southwestern Nigeria JC Obi, AO Awonuga, AO Umeojiakor Agro-Science 9 (1), 2010 | 6 | 2010 |
| Texture contrast in some basement complex soils of southwestern Nigeria JC Obi, GE Akinbola 2007). Management of Nigeria soil resources for enhanced agricultural …, 2009 | 6 | 2009 |
| Phosphate sorption capacity of some tropical soils on basement complex of Southwestern Nigeria OO Olatunji, GO Oyediran, GO Kolawole, JC Obi, DV Ige, OO Akinremi International Journal of Current Research 4, 17-20, 2012 | 5 | 2012 |
| The relation between natural fallow and soil quality in Akwa Ibom state, southeastern Nigeria PI Ogban, JC Obi Nigerian Journal of Agriculture, Food and Environment 6 (3), 34-43, 2010 | 5 | 2010 |
| Profile distribution of clay, Ca, Mg and K in some soils of the Savanna region of Nigeria JC Obi, GE Akinbola, AO Ogunkunle, AO Umeojiakor Agro-Science 9 (2), 2010 | 5 | 2010 |
| Spatial variability of particle sizes of coastal plain sands soils of southeastern Nigeria JC Obi, PI Ogban, II Utuk Agro-Science 10 (2), 16-28, 2011 | 4 | 2011 |
