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Name

Prof. John Okokoh Shiyam

Department

Crop Science

Designation

Professor

Email

[email protected]


About Prof. John Okokoh Shiyam

Prof John Okokoh Shiyam is a Professor in the Department of Crop Science, University of Calabar, Nigeria. He obtained a B.Sc. (Crop Science) degree and a M.Sc. degree in Agronomy from the prestigious University of Calabar, Nigeria in 1991 and 2000, respectively. He also obtained a PhD in Agronomy from the Federal University of Technology Owerri, Imo State, Nigeria in 2005. He was employed as a Graduate Assistant in the Department of Crop Science, University of Calabar in 1999, and rose through the ranks to a Professor in 2017, Prof. Shiyam is a member of several professional bodies including the Agricultural Society of Nigeria (ASN), Crop Science Society of Nigeria (CSSN), and Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN). He has attended and presented well researched papers in different conferences and other academic fora. He has successfully supervised many Ph.D and M.Sc students as well as several Post Graduate Diploma students. Prof. Shiyam has published several articles in high quality local and international journal to his credit. He has held several administrative and academic positions including Sub-Dean, Faculty of Agriculture, Forestry and Wildlife Resources Management from 2008-2010, Ag. Head, Department of Crop Science (2010-2012). He has also held the position of Chairman, Faculty Graduate Committee as well as the Graduate School Board Coordinator for the Faculty of Agriculture, Forestry and Wildlife Resources Management, and Faculty of Oceanography. Prof. Shiyam’s current research interest is focused on organic agriculture, Climate change and agriculture as well as the agronomy of orphan local crop plants.


S/N Qualification School Atttended Started Finished

S/N Publication
Shiyam, J.O., Attoe, E.E., Garjila, A.Y., & Assim-Ita, E.A. (2017). Evaluation of agronomic parameters of potted tomato (Lycopersicon esculentum (L) Mill) at different rates of poultry manure compost. Journal of Applied Life Sciences International, 10(4), 1 – 5.
Garjila, Y.A., Shiyam, J.O., & John, R. (2017). Effect of cowdung compost manure rates of application on the growth and leaf yield of spider plant (Cleome gynandra L. Briq) in Jalingo, Taraba State, Nigeria. Effect of cowdung compost manure rates of application on the growth and leaf yield of spider plant (Cleome gynandra L. Briq) in Jalingo, Taraba State, Nigeria. Archives of Current Research International, 7(2), 1 – 6.
Shiyam, J.O, Garjila, Y.A., & Bobboyi, M. (2017). Effect of poultry manure on growth and yield of maize (Zea mays var Praecox) in Jalingo, Taraba State, Nigeria. Journal of Applied Life Sciences International, 10(4),1– 6.
Garjila, J.A., Shiyam, J.O., Augustine, Y. (2017). Response of Jew’s mallow (Corchorus olitorius L.) to organic manures in the Southern Guinea Savanna agroecological zone of Nigeria. Asian Research Journal of Agriculture, 3(1), 1 – 6.
Binang, W.B., Ansa, J.E.O., Shiyam J.O., Ntia, J. D., & Ittah, M. A. (2016). Agronomic biofortification of Cassava (Manihot esculenta Crantz) as influenced by Rate and Time of Iodine Fertilization in Southeastern Nigeria. SCIREA Journal of Agriculture, 1(1), 50 – 65.
Shiyam, J.O., Binang, W.B., & Obiefuna, J.C. (2016). Suckering and survival capacity of pineapple (annas comosus L. Merr) propagules in selected potting substrates. SCIREA Journal of Agriculture, 1(1), 107 – 117.
Shiyam, J.O, Nkor, N.N, Binang, W.B., & Effa, E.B. (2016). Yield response of bambara groundnut (Voandzeia subterrenea (L) Thours.) varieties to organomineral fertilizer in the coastal forest of Southeastern Nigeria, SCIREA Journal of Agriculture, 1(1), 91 – 106.
Ittah, M.A., Binang, W.B., Shiyam, J.O., & Idu, P.0. (2016). Genetic and Correlation Analyses of the Variation in Yield Traits in X-ray Irradiated Groundnut Mutants. SCIREA Journal of Agriculture, 4(1), 64 – 77.
Binang, W.B., Shiyam, J.O., Uko, A.E., Ntia, J.D., Okpara, D.A., Ojikpong, T.O., Ntun, O.E., & Ekeleme, F. (2016). Influence of gender and spacing on weed smothering potentials of fluted pumpkin (Telfaiaria occidentalis Hook F.) in Southeastern Nigeria, Journal of Applied Life Sciences International, 8(4), 1 – 10.
Shiyam, J.O., Binang, W.B., & Stephen, G.E. (2016). Effect of Animal Manures on Soil Nutrients Repleshment and Performance of Okra (Abelmoschus esculentus (L.) Moench) grown on degraded sandy soil in Calabar, Nigeria, SCIREA Journal of Agriculture, 1(1), 20 – 31.
Shiyam, J.O., Binang, W.B., & Ansa, J.E.O. (2016). Effect of KI rate on tuber yield and efficiency of iodine biofortification in selected elite cassava (Manihot esculenta L.) varieties grown on coastal sand in Calabar, Nigeria In: Nwachukwu, I.N., Amadi, C.O., Ewuziem, J.E., Okoye, B.C., Afuape, S.O., Agwu, N.M., & Oteh, O.U. (eds.), Economic diversification: The agriculture road map. Proceedings of the 50TH Annual Conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, 3 – 7TH October, 2016, pp 474 – 477.
Utietiang, L.U., Uwah, D.F., Shiyam, J.O., & Effa, E.B. (2015). Nutrient status and ameliorating effects of poultry droppings on soil and sustainable production of garden egg. Journal of Agriculture and sustainability, 7(2), 128 – 142.
Shiyam, J. O., John, N.N., Ndaeyo, N.U., & Binang, W. B. (2014). Effect 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.
Shiyam, J.O., Binang, W.B., & Ittah, M.A. (2014). Evaluation of growth and yield attributes of Chinese hybrid rice (Oryza sativa L.) varieties in the coastal humid forest zone of Nigeria. IOSR Journal of Agriculture and Veterinary Science, 7(2), 70 – 73.
Shiyam, J.O., Attoe, E.E., Undie, U.L., & Eyong, M.O. (2014). Effect of N-Enriched Goat Manure on Productivity of Telfairia/Amaranthus Mixture in Calabar. Australian Journal of Biology and Environmental Research, 1(4), 1–5.
Binang, W.B., Shiyam, J.O., Ittah, M.A., & Uko, A.E. (2013). Rice (Oryza sativa L.) productivity response to depth of tillage and soil amendment in iron-rich soils of Calabar, Nigeria. Agricultural Science Research Journal, 3(7), 194 – 198.
Shiyam, J. O., & Binang, W. B. (2013). Effect of poultry manure and plant population on productivity of fluted pumpkin (Telfaiaria occidentalis Hook F.) in Calabar, Nigeria. Journal of Organic Systems, 8(2), 29 – 35.
Uko, A.E., Udo, I.A., & Shiyam, J.O. (2013). Effect of poultry manure and plant spacing on the growth and yield of waterleaf (Talinum fructicosum (L.) Juss). J. Agron; 1 – 7.
Binang, W.B; Ntia, J.D., & Shiyam, J.O. (2012). Genotype and seeding date effect on performance of Mangrove rice (Oryza sativa L.) in the Cross River Estuary. J. Agron., 11, 79 – 84.
Binang, W.B; Shiyam, J.O., & Ntia, J.D. (2012). Effect of seed priming method on agronomic performance and cost effectiveness of rainfed, dry-seeded NERICA rice. Res. J. Seed Sci., 5(4), 136 – 143.
Shiyam, J. O., & Binang, W. B. (2011). Effects of Poultry manure and Urea-N on flowering occurrence and leaf productivity of Amaranthus cruentus (L). J. Appl. Sci. Environ. Manage, 15(1), 13-15.
Shiyam, J. O., Obiefuna, J. C., Ofoh, M. C., Oko, B. F. D. (2011). Effect of sawdust mulch and fertilizer on weed flora composition and growth in plantain/cocoyam Intercrop in the Nigerian rainforest zone. World J. Agric. Sci., 7(5), 629-632.
Shiyam, J. O., & Inyang-Abia, M. E. (2010). A Survey of Attitudes of Secondary School Students towards Agricultural Science education. Journal of Agricultural Research and Policies, 5(4), 34-37.
Shiyam, J. O. (2010). Growth and yield response of groundnut (Arachis hypogaea L.) to plant densities and phosphorus on an Ultisol in southeastern Nigeria.Libyan Agric. Res. Cen. J. Intl. 1(4), 211-214.
Binang, W. B., Okpara, D. A., Shiyam, J. O., & Ntia, J.D. (2010). Evaluation of cultivar inter-planting ratio on productivity of rice/rice system. Research Journal of Agriculture and Biological Sciences, 6(6), 1055- 1059.
Shiyam, J.O, Oko, B.F.D., Obiefuna, J.C., & Ofoh, M.C. (2010). Optimizing the productivity of plantain/cocoyam mixture by mulching and fertilizer application. World J. Fungal & Plant Biol., 1(2), 42-45.
Binang, W. B., Okpara, D. A., Ntia, J.D., & Shiyam, J. O. (2010). Spatial and temporary deployment of cultivars effects on rice cultivar mixtures. Research Journal of Agriculture and Biological Sciences, 6(6), 1099-1102.
Shiyam, J. O., & Inyang-Abia, M. E. (2010). A Survey of Attitudes of Secondary School Students Toward Agricultural Science Education. Journal of Agricultural Research and Policies, 5(4), 34-37.
Shiyam, J. O. (2009). Response of plant and ratoon crops plantain to K2O fertilizer in the tropical rainforest zone of Nigeria. Trop. Agric., 86(3), 103-107.
Uko, A.E., Udo, I.A., & Shiyam, J.O. (2009). Optimizing poultry manure rates for two okra (Abelmoschus esculentus) varieties in a warm wet climate. Journal of Agriculture, Biotechnology and Ecology, 2(3), 273-285.
Shiyam, J.O., Bello, O.S., & Udo, I.A. (2009). Influence of soil fertility status on host response to black sigatoka and yield of plantain (Musa Spp. CV AAB) in southern Nigeria. Nigerian Journal of Horticultural Science (NJHS), 14, 44 – 48.
Emosairue, S.O., & Shiyam, J.O. (2000). A compendium of insect pests and natural enemies associated with lowland rice in Southeastern Nigeria. Global Journal of Pure and Applied Sciences, 6(3), 385-388.
Shiyam, J.O., Ojating, I., Binang, W.B., Uko, A.E., & Eyong, M.O. (2008). Impact of the mulch production system on soil chemical changes and Agronomic performance of Plantain (Musa AAB) in a rainforest zone. UNISWA J. Agric. Sci. & Tech., 11(1), 51-56.
Shiyam, J.O., Eyong, M.O. Uko, A.E., Binang, W.B., & Ojating, I. (2007). Relative soil fertility improvement efficiency of selected woody species grown on an Utisol in Calabar, Nigeria. UNISWA Res. J. Agric. Sci. & Tech., 10(1), 37-40.
Shiyam, J.O., Uko, A.E., & Ekanem, N.E. (2007). Agronomic Evaluation of some elite cassava genotypes in the Rainforest Agroecology of Southeastern Nigeria. Continental J. Agronomy, 1, 1-4.
Shiyam, J.O., Obiefuna, J.C., Oko, B.F.D., & Uko, A.E. (2007). Growth and corn yield response of upland Cocoyam (Xanthosoma saggittifolium L.) to Sawdust Mulch and NPK 20:10:10 fertilizer rates in the humid forest zone of Nigeria. Continental J. Agronomy 1, 5 -10.
Shiyam, J.O., Oko, B.F.D., Ojating, I., & Uko, A.E. (2006). Germination, Growth and Pruning yield of some hedgerow species and their effects on weed growth and performance of cooking Banana Musa spp. CV ABB). . UNISWA Res. J. Agric. Sci. & Tech., 9(1), 53-56.
Obiefuna, J.C., Ibe, A.E., Oko, B.F.D., & Shiyam, J.O. (2005). Indigenous agricultural and household waste management: farmers’ perception and training for regenerative agriculture in southeastern Nigeria. Proceedings, 1st National Conference on Organic Agriculture, UNABB, Abeokuta, Nigeria. 25-28th October 2005.
Shiyam, J.O., Oko, B.F.D., & Binang, W.D. (2004). Productivity of false horn plantain intercropped with cowpea and maize in Southeastern Nigeria. INFOMUSA, 13(1), 18-20.
Shiyam, J.O., Oko, B.F.D., & Ojating, I. (2003). Growth performance of some Hedgerow species and their effects on the productivity of cooking Banana (Musa spp. AAB group; Cardaba) under an alley-cropping system. African Journal of Agricultural Research, 1&2, 34 – 39.
Shiyam, J.O., Binang, W.B., & Ibeawachi, I.I. (2001). Tillage methods and Potassium rates on growth and tuber yield of an exotic sweet potato (Ipomea batatas, L.) on Sandy Utisol in Southeastern Nigeria. African Journal of Science and Technology, 2(1&2), 142 – 146.
Oko, B.F.D., Shiyam, J.O., Eneji A.E., Hona, T., & Yamatoto, S. (2000). Yield of selected food crops under alley – cropping with some hedgerow species in humid tropical Southeastern Nigeria. Jpn. J. Trop. Agr. 44(3), 167 – 170.

warning No Result For Grants Received.


S/N Conference Description Started Finished
1st National Conference on Organic Agriculture, UNABB.Indigenous agricultural and household waste management: farmers’ perception and training for regenerative agriculture in southeastern Nigeria. Abeokuta, Nigeria. 2005-10-252005-10-28
The 50TH Annual Conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute.Effect of KI rate on tuber yield and efficiency of iodine biofortification in selected elite cassava (Manihot esculenta L.) varieties grown on coastal sand in Calabar, Nigeria.2016-10-032016-10-07