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Mrs. Grace Sunshine David

Assistant Lecturer
Crop Science
gracesunshine@unical.edu.ng

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Uwah, D. F. Ukoha, G. O. Akpabio, I. I. and Inyang, I. O.(2012). Response of garden(Solanum gilo Raddi) to farm yard manure and inorganic fertilizer. Journal of Science, Engineering and Technology 19(1):10523-10532


Uwah, D. F., Undie, U. L., John, N. M. and 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


Uwah, D. F., Ukoha, G. O. and Akpabio, I. I.(2013). Combined effects of goat manure and urea fertilizer on the performance of garden egg(Solanum gilo Raddi) in Calabar. In:Proceedings of the 31st Annual Conference of the Horticultural Society of Nigeria, HORTSON “ABUJA 2013”, September 22-26,2013


Uwah D. F., Ukoha, G. O. and Akpabio, I. I.(2016). Effects of goat manure and urea fertilizer on the performance of garden egg(Solanum gilo Raddi) in Calabar. In:Proceedings of the 3rd Annual Conference of the Crop Science Society of Nigeria, CSSN “UYO 2017”, September27-30,2016


Uwah, D. F. and David, G. S.(2017). Evaluation of five elite cassava(Manihot esculenta Crantz) varieties for stem and tuber yields selection in Calabar. In:Proceedings of the 4thAnnual Conference of the Crop Science Society of Nigeria, CSSN “UYO 2017”, September10-14,2017


David, G. S., Uwah, D. F., Effa, E. B. and Effiong, H. E.(2017). Genetic variability and heritability among selected genotypes of sweet potato(Ipomoea batatas (L.) Lam) in Calabar. In:Proceedings of the 4thAnnual Conference of the Crop Science Society of Nigeria, CSSN “UYO 2017”, September10-14,2017


Effa, E. B., Nwagwu, F. A., David, G. S. and Bassey, G. O.(2017). Evaluation of elite sweet potato(Ipomoea batatas (L.) Lam) varieties in Calabar, Nigeria. In:Proceedings of the 4thAnnual Conference of the Crop Science Society of Nigeria, CSSN “UYO 2017”, September10-14,2017


Uwah D. F., Ukoha, G. O. and Iyango, J. O.(2012). Okra performance, soil and water conservation as influenced by poultry manure and organic mulch amendments. Journal of Food, Agriculture and Environment. 10(1):748-754


Effa, E. B., Uwah, D. F., Iwo, G. A., Obok, E. E. and Ukoha, G. O.(2012). Yield performance of popcorn (Zea mays L. everta) under lime and nitrogen fertilization on an acid soil. Journal of Agricultural Science. 4(10):12-19.

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