Please wait...






Name

Prof. Michael John Nkereuwem

Department

Soil Science

Designation

Professor

Email

[email protected]


About Prof. Michael John Nkereuwem

Professor of Soil fertility and organic waste management has published articules on compost and composting of organic materials and manures . I have also invented organic fertilizers, Organo-mineral fertilizers (OMF), liquid organic fertilizers and organo-mineral fertilizers for remediation of oil impacted soils.


S/N Qualification School Atttended Started Finished
M.Sc. (Agronomy) Soil ScienceUniversity of Calabar, Calabar, Cross River State, Nigeria19821987
Ph.D. Soil ScienceUniversity of Ibadan, Ibadan, Oyo State (December 1992 to December 200219922002

S/N Publication
Ekong, U. J., John, N. M. & Eyong, M. O. (2019). Effects of carbon/nitrogen ratio and particle size of rice husk and sawdust on composting of poultry manure and the performance of Amaranthus cruentus on soils of Obio Akpa, Nigeria. Journal of Agiculture, Environmental Resources and Management, 4(1), 121 – 136.
John, U. N, Okon, P. B., & John, N. M. (2019). Determination of soil quality in tropical ecosystem of Odukpani Local Government Area in Cross River State. Nigeria. Journal of Agriculture, Environmental Resources and Management, 4(1), 543 – 560.
John, U. N., Essien, G. E., Akpanidiok, A. U., & John, N. M. (2018). Surface Charge Characteristics of Coastal Plain Soil in Cross River State, Nigeria. Journal of Agriculture, Forestry and Wildlife Resources, 1(3), 152 - 159.
John, U. N., Udo, I. I., & John, N. M. (2017). Surface Charge Characteristics of Basaltic Soil in Cross River State, Nigeria. World Journal of Applied Science and Technology, 9(2),120-129.
2016 Otie, V. Ping, A., John, N. M., & Eneji, A. E. (2016). Interactive Effects of Plant Growth Regulators and Nitrogen on Corn Growth and Nitrogen Use Efficiency. Journal of Plant Nutrition, DOI: 10.1080/01904167.2016.1161779.
Shiyam, J. O., John, N. M., Ndaeyo N. U., & Binnang W. B. (2014). Effects of organo-mineral fertilizer on soil nutrient flux and maize (Zea mays L.) productivity on an ultisol in Southern Nigeria. International Journal of Research in Agricultural Sciences, 1(1), 1 – 4.
Uwah, D. F., Undie, U. L., & & John, N. M. (2014). Comparative evaluation of animal manures on soil properties, growth and yield of sweet maize (Zea mays L. saccharata Strut). Tropical Agriculture, 91(4), 220 – 234.
John, N. M., Uwah, D. F., Iren O. B., & Akpan, J. F. (2013). Changes in maize (Zea mays L.) performance and nutrients content with the application of poultry manure, municipal solid waste and ash composts. Journal of Agricultural Science, 5(3), 270 – 277. Doi, 10.5539/jas.v5n3p270.
Uwah, D. F., Undie, U. L., John N. M., & Ukoha G. O. (2013). Growth and yield response of improved sweet potato (Ipomoea batatas (L.) Lam) varieties to different rates of potassium fertilizer in Calabar, Nigeria. Journal of Agricultural Science, 5(7), 61 - 69. doi, 10.5539/jas.v5n7p61.
Udo-Inyang, U. C., Edem, I. D., & John, N. M. (2013). Application of phyto-remediation (Sunflower and Vetiver grass) on crude oil spilled soil cultivated to Jute mallow (Corchorus olitorius L.). Resourses and Environment, 3(6),169 – 175. DOI, 10.5923/J.re.20130306.01.
Edem, D., John, N. M., & Andronache, I. (2013). Fertilizer and the Environment, A Perspective from Niger Delta, Nigeria. In: the book(s)/ Volume(s) ADVANCES IN FERTILZIER TECHNOLOGY edited by Shishir Sinha (Indian Institute of Technology (IIT), Roorkee). Studium Press LLC, USA, 722200, Houston, TX 77072, Pp, 415 – 428.
Effiong, G. S., Ekong, U. J. Ibia, T. O., & John, N. M. (2012). Palm kernel cake and sawdust compost, Chemical properties and effects on maize growth in acid sands of Uyo, Nigeria. Archives of Applied Science Research, 4(3),1255 – 1260.
Edem, I. D., Eko, P. M., & John, N. M. (2012). Effect of animal droppings on thermal properties of dispersed porous system. Trends in Soil Science & Plant Nutrition Journal, 3(1), 13 – 18.
John, N. M., & Ijah, C. J. (2012). Primary nutrient status of nitrogen enriched cattle dung plus poultry manure compost and its effect on maize growth. Journal of Agriculture, Forestry & Environment, 2(1), 60 – 69.
Iren, O. B., John, N. M., & Imuk E. A. (2012). Effects of sole and combined applications of organic manures and urea on growth, crude protein and nutrient uptake of fluted pumpkin (Telfairia occidentalis, Hooh f.). Journal of Agriculture, Forestry & Environment, 2(1), 78 – 84.
Iren, O. B., Asawalam, D. O., Osodeke, V. E., & John, N. M. (2012). Comparative effects of animal manures and urea fertilizer on soil properties in a rainforest Ultisol. Journal of Agricultural Research and Policies, 6(2), -56.
Iren, O. B., John, N. M., Imuk, E. A., & Ekpenyong, K. U. (2012). Influence of pig manure rates and NPK (15, 15, 15) fertilizers on soil chemical properties and dry matter yield of fluted pumpkin (Telfairia occidentalis, Hook F.). In: Proceedings of 8th Annual conference of Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN) held at University of Calabar, Nigeria, 5th – 9th November, 2012, 13 – 17.
Iren, O. B., Awasalam, D. O., Osodeke, V. E., & John, N. M. (2011). Effects of animal manures and urea fertilizer as N sources for Amaranthus growth and yield in a rainforest ultisol in Nigeria. World Journal of Applied Sciences and Technology, 3(1), 73 – 78.
Ibuot, A. A, Udotong, I. R., & John, N. M. (2011). Nutrient levels and physico-chemical changes during crude oil sludge / saw dust composting. Journal of Science and Technology Research, 10(1), 84 – 90
Udoh, V. S., Bassey, E. E., Isonguyo, S. J., & John, N. M. (2011). Impact of Akwa Ibom State Intergrated farmers’ micro-credit scheme on youth restiveness and unemployment, household food security and Niger Delta Militancy, South-South Nigeria. In: Proceedings of Sixth International Conf on Scientific and Industrial Studies, 6(1), 33 – 40.
John, N. M., Etokeren, U. E., Udo, I. I., Edem, I. D., Iren, O. B., & Asuquo, S. S. (2010). Effects of nitrogen enrichment on the heavy metals content of cattle dung/poultry manure compost and maize yield. Global Journal of Agricultural Sciences, 9(1), 51 – 55.
John, N. M., Effiong, G. S., Ibia, T. O., Etokeren, U. E., & Idiong, B. E. (2009). Growth and yield of maize (Zea mays L.) on an acidic coastal plain soil fertilized with compost and inorganic fertilizers. Journal of Agriculture, Biotechnology and Ecology, 2(3), 313 – 321.
Udosen, E. D., Udo, I. I., & John, N. M. (2009). Heavy metal contents of poultry feeds and liver tissues of chicken fed with different poultry feeds. Journal of Agriculture, Biotechnology and Ecology, 2(3), 390 – 398.
Ituen, E. E., John, N. M., & Bassey, B. E. (2009). Biogas production from organic waste in Akwa Ibom State of Nigeria. Appropriate Technologies for Environmental Protection in the Developing World, 1, 93-99.
Ndaeyo, N. U., Edem, S. O., & John, N. M. (2009). Assessment of nutrient concentration in a maize/cassava intercrop as influenced by varied tillage practices. Nigerian Journal of Agriculture, Food and Environment, 5(1), 59-65.
John, N. M., & Effiong. G. S. (2008). Response of maize (Zea mays L.) to different levels of decomposed refuse in Uyo municipality, Nigeria. Am.- Eurusian Journal of Sustainable Agiculture, 2(1), 104 – 108.
John, N. M. (2007). Heavy metals contents of Crude Oil sludge/municipal solid waste compost and Crude Oil sludge/poultry manure compost for Sustainable Crop Production. Agricultural Journal, 2(2), 281- 284.
John, N. M., & Udoinyang, U. C. (2007). Performance of Amaranthus hybridus as affected by enrichment of compost with urea during composting. Research Journal of Biological Sciences, 2(3), 229 – 231.
John, N. M., Edem, S. O., Ndaeyo N. U., & Ndon, B. A. (2006). Physical composition of municipal solid waste and nutrient contents of its organic component in Uyo municipality, Nigeria. Journal of Plant Nutrition, 29, 189- 194.
John, N. M., Udoka M., & Ndaeyo, N. U. (2006). Growth and yield of cassava (Manihot esculenta) as influenced by fertilizer types in the coastal plain soil in Uyo, Southeastern Nigeria. Journal of Sustainable Tropical Agricultural Research, 18, 99 – 104.
John, N. M., & Udoinyang, U. C. (2006). Nutrient content and influence of palm kernel cake/municipal solid waste/poultry manure compost on maize growth. Nigerian Journal of Agriculture, Food and Environment, 3(1&2), 127 – 130.
John, N. M. (2005). Organic fertilizers produced from composting of sawdust with different levels of palm kernel cake. Journal of Natural and Applied Sciences, 6(1), 31 – 36.
John. N. M. (2005). Influence of nitrogen-enriched composts on the yield of maize on the coastal plain soil in Uyo, Nigeria. Nigerian Journal of Agriculture, Food and Environment, 2(2), 81 – 87.
Ituen, E. E., Umoh, A. A., Bassey, E.E., John, N. M., & Udosen, D. D. (2005). Biogas production from organic waste in Akwa Ibom State of Nigeria. In: Proceedings of Third World Organization for Women in Science Conference held at Bangalore, India, 6th –10th December, 2005, pp. 632 – 637,
Ndaeyo, N. U., Ukpong, E. S., & John, N. M. (2005). Performance of Okro as affected by organic and inorganic fertilizers on an ultisol. In: Proceedings of 35th Conference of Agricultural Society of Nigeria held at University of Benin, Nigeria, and 13th –17th October 2005, 206 – 209.
John, N. M., & Ndoh, A. E. (2004). Influence of shading types on nutrient contents of municipal solid waste/poultry manure compost and maize growth. Journal of Natural and Applied Sciences, 5(1), 56 - 62
John, N. M., Nkanga, N. A., & Edem, S. O. (2003). Evaluation of the nutrient contents of some organic materials for the production of organic and organo-mineral fertilizers. Journal of Sustainable Tropical Agricultural Research, 8, 1 – 4.
Ndaeyo, N. U., Ekpe, E. O., John, N. M., & Akpan, I. J. (2002). Crop Spacing, weeding regime and growth and yield of maize in Uyo, Southeastern Nigeria. Proceedings of 36th Conference of Agricultural Society of Nigeria held at Federal University of Technology, Owerri, October 20 – 24, 2002, pp. 232 – 236.
John N. M., Akpan, E. J., & Thompson, O. E. (2001). Levels of Heavy Metals in the Organic components of selected waste dumps in Uyo, in relation to their use as plant nutrients. Journal of Natural and Applied Sciences, 2(1), 91 – 95.
Akpan, E. J., & John, N. M. (1999). Effect of fermentation period and temperature of Anti-nutrients and in vitro Digestibility of starch period protein of Pentaclethra macrophylla (African oil beans). Global Journal of Pure and Applied Sciences, 5(1), 69 – 70.
John, N. M., Adeoye, G. O., & Sridhar, M.K.C. (1998). Organic and organo- mineral fertilizers, Essential tools for sustainable agriculture development. Nigeria Journal of Agricultural Technology, 7(2), 50 – 57.
John, N. M., Sridhar, M.K.C., Adeoye, G. O., & Ituen, E. U. U. (1997). Developing a manually operated organic fertilizer pelletizing machine for peasant farmers. Nigeria Journal of Agricultural Technology, 6(1), 1 – 6.
John, N. M., Adeoye, G. O., & Sridhar, M.K.C. (1996). Compost Pelletization eases end use in Nigeria, Biocycle, Journal of Composting and Recycling, 37(6), 55-56.
John, N. M., Adeoye, G. O., & Sridhar, M.K.C. (1995). Effects of a binding agent and sawdust amendment on the stabilization of compost, soil properties and crop growth. African Soils, In: Proceedings of 3rd All African Soil Science Conference, 28, pp. 383 – 394.

warning No Result For Grants Received.


S/N Conference Description Started Finished
2nd National Annual Conference Of Society For Agriculture, Environmental Resources And Management (SAEREM), held between 18 to 20th November 2019, held at the Akwa Ibom State University, Obio Akpa Campus, Oruk Anam Local Government Area, Akwa Ibom SJohn, U. N., P. B. Okon And N. M. John (2019). Determination Of Soil Quality In A Tropical Ecosystem Of Odukpani Local Government Area In Cross River State, 0000-00-002019-11-20
9th Annual conference of Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN) held at Federal University of Agriculture, Abeokuta, Nigeria, 19th – 22nd November, 2013.John, N. M. Agada, A. A. and O. B. Iren (2013). Effects of different organic manure combinations on the growth components and yields of maize (Zea mays L.) in an ultisol in Calabar, Nigeria. 2013-11-192013-11-22
Soil Science Society Conference of Nigeria held at the University of Uyo, Uyo, Akwa Ibom State, Nigeria, 10th to 15th March 2014.Victoria Otie, An Ping, N. M. John and A. Egrinya Eneji (2014). Interactive effects of plant growth regulators and nitrogen on corn growth and nitrogen use efficiency. 2014-03-102014-03-15
3rd FUNAAB International Summer School on Organic Agriculture held at Federal University of Agriculture, Abeokuta, Nigeria, 21 – 31st July 2014.John, N. M. (2014). Advance Organic Agriculture Training Programme.2014-07-212014-07-31
59th Annual General Meeting of ADAN held at the Ebonyi State University, Abakiliki, Ebonyi State, Nigeria, 15th to 18th June 2015.John, N. M. (2015). Association of Deans of Agriculture in Nigeria Universities (ADAN). 2015-06-152015-06-18
Soil Science Society Conference of Nigeria held at the University of Uyo, Uyo, Akwa Ibom State, Nigeria, 14th to 18th March 2016.John, N. M. John (2016). Interactive effects of plant growth regulators and nitrogen on corn growth and nitrogen use efficiency. 2016-03-142016-03-18
2nd National Annual Conference Of Society For Agriculture, Environmental Resources And Management (SAEREM) held between 18 to 20th November 2019, at the Akwa Ibom State University, Obio Akpa Campus, Oruk Anam Local Government Area, Akwa Ibom State, NEkong, U J, N. M. John And M. O. Eyong (2019). Effect of carbon/nitrogen ratio and particle size of rice husk and sawdust on composting of poultry manure and the performance of Amaranthus cruentus on soils derieved from coastal plain sands in Akwa Ibomstate, Nigeria.2019-11-182019-11-20