| Changes in maize (Zea mays L.) performance and nutrients content with the application of poultry manure, municipal solid waste and ash composts NM John, DF Uwah, OB Iren, JF Akpan Journal of Agricultural Science 5 (3), 270, 2013 | 32 | 2013 |
| Influence of cassava peels and poultry manure-based compost on soil properties, growth and yield of waterleaf (Talinum triangulare Jacq) in an ultisol of south-eastern Nigeria OB Iren, JF Akpan, VF Ediene, EE Asanga Journal of Soil Science and Environmental Management 6 (7), 187-194, 2015 | 31 | 2015 |
| 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 |
| Effects of cassava mill effluent on some chemical and micro-biological properties of soils in Cross River State, Nigeria JF Akpan, MG Solomon, OS Bello Global Journal of Agricultural Sciences 10 (2), 89-97, 2011 | 11 | 2011 |
| 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 |
| 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, 1-9, 2017 | 6 | 2017 |
| Evaluation of Infiltration Characteristics of Soils Developed on Coastal Plain Sands in Calabar Municipality Local Government Area, Cross River State, Nigeria’ O Oyedele, EA Akpa, JF Akpan Asian Journal of Advances in Agricultural Research 10 (4), 1-8, 2019 | 5 | 2019 |
| Arbuscular mycorrhizal fungus species differed in bio-control potential on pepper genotypes infected with Meloidogyne incognita IA Udo, JF Akpan, OS Bello, VO Otie International Journal of Vegetable Science 29 (3), 261-274, 2023 | 4 | 2023 |
| 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 | 4 | 2020 |
| Effects of palm bunch ash and mycorrhiza on cucumber (Cucumis sativum L.) performance on coarse-textured soil of Calabar, Southern Nigeria. OC Umunnakwe, JF Akpan, FA Nwagwu, EA Imuk, BO Ebri International Journal of Recycling of Organic Waste in Agriculture 12, 2023 | 3 | 2023 |
| Spatial Assessment of Heavy Metal Contamination in Agricultural Soils Developed on Basaltic and Sandstone Parent Materials SM Afu, IA Isong, JF Akpan, DM Olim, PC Eziedo | 3 | 2021 |
| Bacterial community Dynamics during the production of Ogi from millet, ‘A Nigerian fermented food using culture dependent approach E Effiom, H. Akpan, J., Lennox, J., Frank Imperial Journal of Interdisciplinary Research (IJIR) 2 (11), 621-623, 2016 | 3* | 2016 |
| Foliage yield of fluted pumpkin (telfairia occidentalis hook f.) As influenced by organic manure and cutting frequencies on soil of calabar, nigeria. OC Umunnakwe, JF Akpan, FV Aberagi Global Journal of Agricultural Sciences 21 (1), 79-84, 2022 | 2 | 2022 |
| Assessment of cassava milled effluent (CME) on the development of pepper(Capsicum chinenses) in Southern part of Cross River State,Nigeria. JF Akpan Journal of Sciences and Multidisciplinary Research 4 (1), 22-26, 2012 | 2 | 2012 |
| Influence of polyethylene film colour and soil solarisation duration on weed dynamics and performance of hybrid maize (Zea mays L.). FA Nwagwu, EE Obok, OC Umunnakwe, JF Akpan | 1 | 2023 |
| Improvement of Chemical Properties Ultisol affected by Arbuscular Mycorrhizal Fungi Innoculation and Poultry Manure Application. IAIJFA A. E Uko, E.B. Effa Asian Journal of Plant Scienc 19 (3), 279-1286, 2020 | 1* | 2020 |
| Effects Of Lime And Poultry Manure On Soil Properties And Cucumber (Cucumis Sativum L) Performance In The Humid Tropics Of Southern Nigeria JF Akpan, OC Umunnakwe, LI Omadewu Global Journal of Agricultural Sciences 22 (1), 101-107, 2023 | | 2023 |
| Growth, yield and variance components of watermelon (Citrullus lanatus) grown on lime (CaCo3)-amended acidic soil of south-eastern Nigeria EE Obok, F Ekpiken, J Akpan, F Nwagwu, M Ittah, D Uwah Journal of Agricultural Sciences (Belgrade) 68 (3), 2023 | | 2023 |
| Cytogenetic infractions of latex extract of the floristic dumbcane (Dieffenbachia amoena) on mitotic chromosomes of onion (Allium cepa) GM Ubi, JF Akpan, AO Chinyere, NE Edu, JK Ebigwai, IS Essien Bhartiya Krishi Anusandhan Patrika 38 (3), 276-283, 2023 | | 2023 |
| Identification and validation of pedochemical and fertility indices of soils influencing maize (Zea mays) crop production in the rain forest agro-ecology of Nigeria JF Akpan, R Nwanyieze, OO Joel, SOO Grace, OC Umunnakwe, ... Bhartiya Krishi Anusandhan Patrika 38 (1), 45-55, 2023 | | 2023 |
Prof. Otobong B. IrenDepartment of Soil Science, University of CalabarVerified email at unical.edu.ng
