| Using machine learning algorithms to estimate soil organic carbon variability with environmental variables and soil nutrient indicators in an alluvial soil K John, I Abraham Isong, N Michael Kebonye, E Okon Ayito, ... Land 9 (12), 487, 2020 | 116* | 2020 |
| Mapping soil properties with soil-environmental covariates using geostatistics and multivariate statistics K John, SM Afu, IA Isong, EE Aki, NM Kebonye, EO Ayito, PA Chapman, ... International Journal of Environmental Science and Technology, 1-16, 2021 | 38 | 2021 |
| Soil organic carbon prediction with terrain derivatives using geostatistics and sequential Gaussian simulation K John, II Abraham, NM Kebonye, PC Agyeman, EO Ayito, AS Kudjo Journal of the Saudi Society of Agricultural Sciences 20 (6), 379-389, 2021 | 28 | 2021 |
| Comparative assessment of wetland and coastal plain soils in Calabar, Cross River State JF Akpan, EE Aki, IA Isong Global journal of Agricultural sciences 16 (1), 17-30, 2017 | 18 | 2017 |
| Hybridization of cokriging and gaussian process regression modelling techniques in mapping soil sulphur K John, PC Agyeman, NM Kebonye, IA Isong, EO Ayito, KI Ofem, CZ Qin Catena 206, 105534, 2021 | 14 | 2021 |
| Agricultural potentials of floodplain soils with contrasting parent material in Cross River State, Nigeria SM Afu, IA Isong, CE Awaogu Global Journal of Pure and Applied Sciences 25 (1), 13-22, 2019 | 13 | 2019 |
| Land capability and soil suitability of some acid sand soil supporting oil palm (Elaeis guinensis Jacq) trees in Calabar, Nigeria UC Amalu, IA Isong Nigerian Journal of soil science 25, 92 – 109, 2015 | 12 | 2015 |
| Soil quality estimation using environmental covariates and predictive models: an example from tropical soils of Nigeria IA Isong, K John, PB Okon, PI Ogban, SM Afu Ecological Processes 11 (1), 66, 2022 | 9 | 2022 |
| Do model choice and sample ratios separately or simultaneously influence soil organic matter prediction? K John, Y Bouslihim, KI Ofem, L Hssaini, R Razouk, PB Okon, IA Isong, ... International Soil and Water Conservation Research 10 (3), 470-486, 2022 | 8 | 2022 |
| Estimation of soil organic carbon distribution by geostatistical and deterministic interpolation methods: a case study of the southeastern soils of Nigeria. J Kingsley, SM Afu, IA Isong, PA Chapman, NM Kebonye, EO Ayito Environmental Engineering & Management Journal (EEMJ), 2021 | 7 | 2021 |
| Variability of selected physico-chemical properties of soil overlying different parent materials in Odukpani, Cross River State S Afu, I Isong, E Aki International Journal of Plant & Soil Science 20 (6), 1-14, 2017 | 7 | 2017 |
| Comparative efficacy of organic manures for improved performance of waterleaf (Talinum fructicosum (L) Juss.) in the humid tropical rainforest AE Uko, OB Iren, EB Effa, IA Isong International Journal of Sciences 8 (08), 1-10, 2019 | 6 | 2019 |
| Anaerobic digestion of organic waste for the production of biogas in Calabar, Cross River State, Nigeria JF Akpan, IA Isong, EBE Asikong World News of Natural Sciences 24, 2019 | 6 | 2019 |
| Status and spatial variability of soil properties in relation to fertilizer placement for intercrops in an oil palm plantation in Calabar, Nigeria UC Amalu, IA Isong Nigerian Journal of Crop Science 5 (2), 58-72, 2018 | 6 | 2018 |
| The Impact of Long-term Cassava Mill Effluent Discharge on Soil pH and Microbial Characteristics in Cross River State JF Akpan, MO Eyong, IA Isong Asian Journal of Soil Science and Plant Nutrition 2 (1), 1-9, 2017 | 6 | 2017 |
| Assessing the impact of sampling strategy in random forest-based predicting of soil nutrients: a study case from northern Morocco K John, Y Bouslihim, A Bouasria, R Razouk, L Hssaini, IA Isong, ... Geocarto International 37 (26), 11209-11222, 2022 | 5 | 2022 |
| Mapping soil nutrients via different covariates combinations: theory and an example from Morocco K John, Y Bouslihim, IA Isong, L Hssaini, R Razouk, NM Kebonye, ... Ecological Processes 11 (1), 23, 2022 | 4 | 2022 |
| Heavy metals in agricultural soils developed on diverse parent materials in Cross River State, Nigeria MS Afu, IA Isong, AE Ene, K John Archives of Agronomy and Soil Science 67 (10), 1375-1387, 2021 | 4 | 2021 |
| Impact of climate variability on yield of maize and yam in Cross River State, Nigeria: An autoregressive distributed lag bound approach EO Edet, PO Udoe, IA Isong, SO Abang, FO Ovbiroro World News of Natural Sciences 36, 60-74, 2021 | 4 | 2021 |
| Influence of Biofertilizer on Soil Properties, Growth and Yield of Hot Pepper (Capsicum frutescens) in Calabar, Cross River State, Nigeria JF Akpan, IA Udo, SM Afu, IA Isong, MG Solomon Asian Journal of Plant Sciences 19 (2), 166-176, 2020 | 4 | 2020 |
Afu Sunday MarcusUniversity of Calabar, CalabarVerified email at unical.edu.ng
