| Manual of soil, plant and water analysis EJ Udo, TO Ibia, JA Ogunwale, AO Ano, IE Esu Lagos: Sibon Books, Publishers Ltd., Nigeria 183, 2009 | 358 | 2009 |
| Nutritive and energy values of some wild fruit spices in Southeastern Nigerian. GS Effiong, TO Ibia, US Udofia Electronic Journal of Environmental, Agricultural & Food Chemistry 8 (10), 2009 | 86 | 2009 |
| Phosphorus forms and fixation capacity of representative soils in Akwa Ibom State of Nigeria TO Ibia, EJ Udo Geoderma 58 (1-2), 95-106, 1993 | 46 | 1993 |
| Characteristics and constraints of some river flood plains soils to crop production in Southeastern Nigeria. GS Effiong, TO Ibia | 30 | 2009 |
| Guide to fertilizer use for crops in Akwa Ibom state, Nigeria TO Ibia, EJ Udo Uyo, Ministry of Agriculture and Natural Resources, 2009 | 29 | 2009 |
| Assessment of micronutrient status of inland depression and floodplain (wetland) soils in Akwa Ibom State South-Eastern Nigeria. BT Udoh, TO Ibia, BU Udo, SO Edem | 18 | 2008 |
| Agricultural potential of the beach ridge soils of the Niger Delta, Nigeria. BT Udoh, IE Esu, TO Ibia, EU Onweremadu, SE Unyienyin | 17 | 2013 |
| Forms of Fe and Al in soil profiles of inland flood plains of South Eastern Nigeria. TO Ibia | 16 | 2002 |
| Evaluation of locally-sourced liming materials for acid soils in Akwa Ibom State, Southeastern Nigeria GS Effiong, TO Ibia, PI Ogban, ND Inyang Am Eurasian J Agron 2 (3), 144-151, 2009 | 14 | 2009 |
| 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 | 13 | 2011 |
| Soil Characterisation TO Ibia, MA Ekpo, LD Inyang Plant disease and Microbial Survey in Gas Flaring Community in Nigeria …, 2002 | 9 | 2002 |
| 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 |
| Termite activities and surface characteristics of coastal plain sands JC Obi, TO Ibia, AI Isaiah Agro-Science 18 (1), 56-66, 2019 | 6 | 2019 |
| Guide to Fertilizer Use for Crops in Akwa Ibom State, Nigeria:(teaching, Research and Extension Guide) TO Ibia, EJ Udo Sibon Books Limited, 2009 | 6 | 2009 |
| Relationships between phosphorus forms and parent materials in soils of Southeastern Nigeria. TO Ibia, GS Effiong, PI Ogban, JC Obi | 6 | 2008 |
| Forms and contents of iron and aluminum in inland flood plains of South-Eastern Nigeria TO Ibia Agronomie africaine 17 (3), 211-218, 2005 | 6 | 2005 |
| Evaluation of slag by-products from Delta Dteel Plant, as liming materials. TO Ibia, EJ Udo, U Omoti | 6 | 1997 |
| Fertility capability classification for agricultural land use planning in the beach sands area of Akwa Ibom State, Nigeria BT Udoh, TO Ibia Agro-Science 21 (2), 74-78, 2022 | 5 | 2022 |
| Erosion studies under vetiver hedge management in Ibadan, South-Western Nigeria ID Edem, UC Udoinyang, CJ Ijah Advances in Applied Science Research 3, 2586-2590, 2012 | 5 | 2012 |
| Fractional recovery of applied phosphorus in soils of Akwa Ibom State, Niger Delta Region of Nigeria. TO Ibia, EJ Udo, JAI Omueti | 5 | 2009 |
