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FOI Documents








Prof. Abubakar Umar Dikko

Area of specialization:Soil Chemistry and Fertility
Email:abubakardikko81@gmail.com
Phone:+23480100953938

List of Selected Publications

  • 1. White C., Dikko A. U, Cruickshank K., Cresser M. S. and Langan S. (1998). Critical loads and Soil Damage. Is Mineralogical Analysis a useful Diagnostic tool? Energy and the Environment, Geochemistry of fossil, nuclear and renewable Resources, edited by Keith Nicholson, MacGregor Publ. Scotland Pp 107 – 118.
  • 2. Dikko, A. U., Cresser M. S. (1999). A preliminary assessment of a novel procedure for assessing the buffering capacity of soils against acid deposition, Zuru Journal of Agriculture, Kebbi State, Nigeria, 1(1 and 2): 12 – 22.
  • 3. Ibrahim S. A. and A. U. Dikko (1999). Evaluation of soils in Wurno Irrigation Project area, Sokoto, with respect to salinity-sodicity hazards. Journal of Sustainable Agriculture and Environment, 1: 255 – 261.
  • 4. Ibrahim S. A., D. Bashir and A. U. Dikko (2000). Evaluation of irrigation water quality in Wurno irrigation project with respect to suitability for irrigation. Journal of Agriculture and Environment, 1 (1): 121 – 128.
  • 5. Ibrahim, S. A.; E. N. Iwuafor and A. U. Dikko (2000). Effect of crop residue ash on the growth and nutrient content of maize in the greenhouse. Journal of Agriculture and Environment, 1 (2) : 163-171.
  • 6. Dikko A. U., S. A. Ibrahim and G. O. Adeoye (2001). Comparative Evaluation of thirteen multipurpose extractants for K and Mg in soils of south western Nigeria. Nigeria Journal of Basic and Applied Sci. Vol. 10: 113 – 123.
  • 7. Dikko, A. U.; Ibrahim S. A. and Gurama A. U. (2001). Variation of some physico-chemical properties of soils in some profiles of Zamfara Grazing Reserve. The Beam: Sokoto Journal of Basic and applied Sciences, 6: 53 – 57.
  • 8. Dikko, A. U., and M. S. Cresser (2002). Evaluation of a soil column leaching technique for assessing relative weathering rates of mineral components of soils derived from granitic parent materials. Journal of Agriculture and Environment, 3 (2): 331 - 348.
  • 9. U. Aliyu, M. D. Magaji, A. I. Yakubu and A. U. Dikko (2007). Correlation and Path Coefficient Analysis for Some Yield–related Traits in Onion (allium cepa L.). Journal of Plant Sciences, 2(3): 366 – 369, 2007.
  • 10. Aliyu, U., A. U. Dikko and M. Nasiru (2007). Growth and Yield of Roselle (Hisbiscus sabdariffa I.) as affected by Farmyard Manure and intra- row spacing. Proceedings of the Third National Conference on Organic Agriculture in Nigeria held on 11th – 15th November, 2007, at UDU Sokoto, Nigeria.
  • 11. Gambo, B. A. M.D. Magaji,A. I. Yakubu and A. U. Dikko (2007). Effect of Neem as Organic Soil Amendments on the Marketable Quality of Grain Yield of Millet Grown on Plots infested with Striga hermonthica. Proceedings of the Third National Conference on Organic Agriculture, UDU Sokoto, Nigeria, 11 – 15th Nov. 2007.
  • 12. Birnin Kebbi, A. M., Zuru, A. A., Hassan, L. G. and Dikko A. U. (2008). Physico-chemical properties of crude Bitumen extracted from Agbabu Tarsand in Ondo State Nigeria. Chem Class Journal, CSN Zaria.
  • 13. B. A. Gambo, M. D. Magaji, A. I. Yakubu and A. U. Dikko (2008). Effects of Nitrogen, Potassium and Weed Interference On Yield of Onion (Allium cepa L.) at the Sokoto Rima Valley. Nigerian Journal of Basic and Applied Sciences: 16(2): 267-271.
  • 14. M. Yakubu, O. Abdoulaye, A. U. Dikko and S. S. Noma (2008). Soils and Nutrients Losses and Gains during Rainy Season in the Fadama of Semi-Arid Sokoto, Nigeria. Nigerian Journal of Basic and Applied Sciences:16(2): 202-207.
  • 15. Gambo B. A., M. D. Magaji, A. I. Yakubu and A. U. Dikko (2008). Effects of Farmyard Manure, Nitrogen and Weed Interference on the Growth and Yield of Onion (Allium cepa L.) at the Sokoto Rima Valley. J. of Sustainable Dev. in Agric. And Envir. 3(2):87 – 92.
  • 16. U. Aliyu, A. U. Dikko, M. D. Magaji and A. Singh (2008). Nitrogen and Intra-row Spacing Effects on Growth and Yield of Onion (llium cepa L.). Journal of Plant Sciences 3 (3): 188-193.
  • 17. Gambo B. A., M. D. Magaji, A. I. Yakubu and A. U. Dikko (2009). Effect of Farmyard Manure and Different Weeding Regimes on the Growth and Yield of Onion (Allium cepa L.) in Sokoto Rima Valley. Proceedings of the 3rd National Conference on Organic Agriculture in Nigeria, Held in Sokoto, Nigeria.
  • 18. A. U. Dikko and M. S. Cresser (2009). Assessment of soil Potential to Respond to Increased Acid Load. Nigerian Journal of Basic and Applied Sciences, 17 (1), June 2009.
  • 19. B. A.Gambo, A.U.Dikko and M. D. Magaji (2009). Elemental Sulphur Content of Onion Bulb (Allium cepa L.) as affected by Cow-Dung, Nitrogen, and Weed interference in the Sokoto Rima Fadama. Nigerian Journal of Basic and Applied Sciences, 17 (2), Dec. 2009.
  • 20. Muhammad, A., Dikko, A. U., Audu, M. and Singh, A. (2009). Evaluation of Soyabean cultivars for N2 fixation and N balance in semi – arid Agro – Ecological Zone of Nigeria. Proceedings of 23rd Conference of the Farm Management Association of Nigeria (FMAN), held between 14th – 17th December, 2009 at the Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto. Pp. 432 – 437.
  • 21. Muhammad, A., Dikko, A. U., Audu, M. and Singh, A. (2009). Soil Nitrogen contributing properties of some cowpea genotypes in Sokoto – Dry Sub-humid agro-ecological Zone of Nigeria. Biological and Environmental Sciences, journal for the Tropics, 8(1) ; 17- 22 March, 2011.
  • 22. Muhammad, A., Dikko, A. U., Audu, M. and Singh, A. (2009). Comperative effects of Cowpea and Soybean genotypes in Sokoto Dry sub-humid Agro-econogical zone of Nigeria. Nigerian Journal of Basic and Applied Sciences, 18(2): 297-303.
  • 23. Audu, M. A. Ma’aji, A. A. Abdullahi, S.S. Noma, A. U. Dikko, N. M. Danmowa and A. Salisu (2010). Effect of some selected tree species on the chemical properties of soils of Dundaye district, Sokoto State, North Western Nigeria. Proceedings of the 34th Annual Conference of the Soil Science Society of Nigeria. Pp. 105-110.
  • 24. Singh, A. Hafsat A. A., Aliyu U., Musa M., Alhassan J., Ahmed H. G. and Dikko A. U. (2010). Germination, Emergence and Growth Response of Sorghum (Sorghum bicolor (L. Moench.) to Seed Hydro priming. Proceedings of the 44th Annual Conference of Agricultural Society of Nigeria. LAUTECH 2010.
  • 25. S. S. Noma, M. Yakubu, A. U. Dikko, A. A. Abdullahi, M. Audu and K. C. Igwebuike (2010). Incidental Liming: Indigeneous Farmers’ Practices in Dange –Shuni area of Sokoto State. Journal of Agriculture and Environment; 6 (1 & 2): 117-121.
  • 26. Dikko, A. U. and Muhammad, A. (2010). Effect of fertilizer applications methods on growth and yield parameters of millet (Penisetum typhodium) in Sokoto semi-arid zone, Nigeria. Biological and Environmental Sciences Journal for the Tropics, 7 (3)
  • 27. Dikko, A. U.; A. A. Abdullahi and M.S.Ousseini (2010). Soil Fertility Assessment of The Lugu Main Canal of Wurno Irrigation Project, Sokoto State, Nigeria, Five Years After Rehabilitation. Nigerian Journal of Basic and Applied Sciences, 18 (2):
  • 28. Abdullahi A. A., E. O. Uyovbisere, A. U. Dikko, M. Audu and H. Shuaibu (2010). Response of four upland rice varieties to nitrogen and phosphorus fertilizers in the northern Guinea Savanna. Proceedings of the 34th Annual Conference of the Soil Science Society of Nigeria, held at IAR & T. Ibadan, March 2010.
  • 29. S. S. Noma, P.T. Obianyor, M Yakubu, M. Audu A. A. Abdullahi, A. U. Dikko and N. M. Danmowa (2010). Soil colour as a pedo-trasfer function of some soils in Sokoto, semi-arid Nigeria. A paper presented at the Annual Conference of the Soil Science Society of Nigeria, held at the Obafemi Awolowo University, Moor plantation, Ibadan, 22nd – 26th March.
  • 30. Lawal, B.A., A.G. Ojanuga, S.S. Noma, M.K.A. Adeboye, A.U. Dikko and A. Singh (2011). Suitability evaluation of soils of lower River Oshin Floodplain, Kwara State, Nigeria for rain-fed arable crop cultivation. Nigerian Journal of Soil and Environmental Research. 10: 61-21.
  • 31. Dikko, A. U., Ahmad, I., Ado, I. Y. and S. S. Noma (2011). Organic Carbon, Total Nitrogen and Available Phosphorus distribution in soil Profiles of Gidan Jaja Grazing Reserve, Zamfara State, Nigeria. Biological and Environmental Sciences Journal for the Tropics, 8(2):64-69.
  • 32. Dikko, A. U., Muhammad A., A. Dogo and Audu, M. (2011). Effect of Tannery wastes Application on Fertility status of Soils at Galgalawa area of Sokoto, Northwestern Nigeria. Biological and Environmental Sciences Journal for the Tropics, 8(2): 35-41.
  • 33. Singh, A., Salifou, O. A., Dikko, A. U., Aliyu, U., Sokoto, M. B., Alhassan J. and M. Musa (2011). Growth and Yield of Millet (Pennisetum gauculata) and Cowpea (Vigna unguiculata (L) Walp) as influenced by Phosphorus and cropping pattern. Trends in Advanced Science and Engineering, (TASE) 1(3) 29-36.
  • 34.Singh, A., Baoule, A. L., Ahmed, H. G., Dikko, A. U., Aliyu, U., Sokoto M. B., J. Alhassan, Musa, M. and Haliru B. (2011). Influence of phosphorus on the performance of cowpea (Vigna unguiculata (L) Walp.) varieties in the Sudan savanna of Nigeria. Agricultural Science 2(3): 313-317.
  • 35. Aliyu U., S. Jamilu, A. Singh, A.U. Dikko and S.S. Noma and A.M. Nasir (2011). Germination and growth of tomato (Lycopersicon esculentum M) as influenced by hydropriming regimes. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing agricultural research towards attaining food security and industrial growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th -28th October, 2011.pp165-167.
  • 36. Muhammad U., H.G. Ahmad, N.D. Ibrahim, A.U. Dikko, M. Musa and B. S. Haliru (2011). Influence of verity and spacing on the performance of groundnut (Arachis hypogaea L.) in Sokoto, Sudan savanna of Nigeria. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing Agricultural Research towards Attaining Food Security and Industrial Growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th-28th October, 2011.pp 248-251.
  • 37. Ahmed I., A.U. Dikko, M. Audu and A. Singh (2011). Effect of nitrogen and cattle manure on soil nutrient status and grain yield of millet (pennisetum glaucum (L) R.R.R.) in Sudan savanna Nigeria. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing agricultural research towards attaining food security and industrial growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th -28th October, 2011. pp.533-536.
  • 38. Wadatau, D. A.U. Dikko, M. Audu, G.A. Abubakar and A.D. Isah (2011). Assessment of Micronutrient Status of the Floodplain Soils of Sokoto Rima River, North Western Nigeria. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing agricultural research towards attaining food security and industrial growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th -28th October, 2011.pp 537-541.
  • 39. Aliyu, U., M. Kabiru, A.U. Dikko, A. M. Nasir, R. Mohmammed and J. Alhassan (2011). Effect of seed hydropriming on germination, emergence and growth of okra (Abelmoschus esculentu (L. Moench) seedlings. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing agricultural research towards attaining food security and industrial growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th-28th October, 2011.pp568-572.
  • 40. Muhammad A. and A.U. Dikko (2011). Influence of growth cowpea (vigna unguigulata walp) on some soil fertility parameters of an inceptisol in sudan savanna zone of Nigeria. In: Hassan, W.A., U.B. Kyiogwom, H.M. Tukur, J.K. Ipinjolu, S.A. Maigandi, A. Singh, N.D. Ibrahim, A.U. Dikko, Y.A. Bashar and N. Muhammad (eds). Mobilizing Agricultural Research towards Attaining Food Security and Industrial Growth in Nigeria. Proceedings of the 45th Annual Conference of the Agricultural Society of Nigeria (ASN) Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Nigeria 24th-28th October, 2011. pp.579-585.
  • 41. Danmowa, M. N. Abdullahi, A. A., Dikko A. U. and Rufai, A. Y. (2011). Modification of soil properties by Termites (Microterms spp.) in Sokoto, Sudan, Savanna, Nigeria. 35th Annual conference of Soil Sci. Soc. of Nigeria held from 7th to 11th March 2011 at Fed. University of Technology Minna, Niger State.
  • 42. Noma S.S., Tanko, I., Yakubu, M., Dikko, A. U. Abdullahi A.A. and Audu, M. (2011). Chrono-Toposequence studies of soils of Dundaye District, Sokoto State, Nigeria. 35th Annual conference of Soil Sci. Soc. of Nigeria held from 7th to 11th March 2011 at Fed. University of Technology Minna, Niger State.
  • 43. M.B. Sokoto, I. U. Abubakar, A. Singh and A.U. Diko (2012). Responses of wheat to different sowing date in Sokoto, Sudan Savannah Nigeria. International Journal of Applied Research and Technology 1(2):162-167.
  • 44. M.B. Sokoto, I.U. Abubakar, N.D. Ibrahuim and A.U. Dikko (2012). Grain protein and gluten content of wheat as influenced by water stress. Sowing date and variety in Sokoto, Sudan Savannah, Nigeria. International Journal of Applied Research and Technology 1(2): 136-143.
  • 45. M.B. Sokoto, I.U. Abubakar, and A.U. Dikko (2012). Dry matter accumulation and harvest index of wheat as influenced by water stress, sowing date and variety in Sokoto, Sudan Savannah Nigeria. International Journal of Applied Research and Technology 1(2): 136-143.
  • 46. Audu, M., G.A. Abubakar and A. U. Dikko (2013). The inherent soil fertility status of Goronyo irrigation scheme phase II prior to farming activities. Biological and Environmental Sciences Journal for the Tropics. 10(2): 54-57.
  • 47. Sokoto M.B., I.U. Abubakar and A.U. Dikko (2013). Influence of sowing date and cultivar on bread wheat growth in Sokoto, sudan savanna, Nigeria. Biological and Environmental Sciences Journal for the Tropics.10(2): 58-65.
  • 48. Sauwa, M.M., Chiroma, A.M., Dikko A.U., Waniyo, U.U. and Aisha, B. (2013). Aggregate properties of a typic ustipsamment under different tillage practices in Maiguduri, Nigeria. Agricultural and Biology Journal of North America. 4(4):234 -242
  • 49. Mohammed, A., Dikko A.U., Audu, M., Mohammed, B.S. and Adeboye, M.K.A. (2014). Characterization of cowpea residues quality as organic resources for soil fertility improvements in the Sudan savanna ecological zone of Nigeria. Nigerian Journal of Soil and Environmental Research, 12: 131-140. ISSN: 1595 – 16 21
  • 50. U.M. Dawaki, A.U. Dikko, S.S. Noma and U. Aliyu (2015). Effects of wastewater irrigation on quality of urban soils in Kano, Nigeria International Journal of Plant and Soil Science. 4(4): 321-325.
  • 51. M. Haliru, A.U. Dikko, M. Audu. and I. Aliyu (2015). Effect of cow dung on soil properties and performance of sweet potato (Ipomoea batatas L.) in Sudan savanna, Nigeria. International journal of plant and soil science 5(4): 212-216.
  • 52. S. A. Lukman, M. Audu, A.U. Dikko, H. G. Ahmed, M.M. Sauwa, H. Muazu and U.I. Abubakar (2015). EFFECT OF COMBINED NPK AND COW DUNG ON SOIL CHEMICAL PROPERTIES IN SUDAN SAVANNA OF NIGERIA. In: S.O. Ojeniyi, O.O. Agbede, O.T.V. Adebiyi and A.A. Onwukwe (Eds.). Managing Nigerian Soils for Food Nutrition Security and Climate Adaptation and Mitigation. Proceedings of the 39th Annual Conference of the Soil Science Society of Nigeria held at Landmark University, Omu-Aran, Kwara State, 9-13th March, 2015. Pp 253- 258.
  • 53. M. Haliru, A.U. Dikko, M. Audu and U. Aliyu (2015). INFLUENCE OF NPK LEVELS IN SOIL CHEMICAL PROPERTIES AND PERFORMANCE OF SWEET POTATO (Ipomoea batatas L.) IN SUDAN SAVANNA, NIGERIA. In: S.O. Ojeniyi, O.O. Agbede, O.T.V. Adebiyi and A.A. Onwukwe (Eds.). Managing Nigerian Soils for Food Nutrition Security and Climate Adaptation and Mitigation. Proceedings of the 39th Annual Conference of the Soil Science Society of Nigeria held at Landmark University, Omu-Aran, Kwara State, 9-13th March, 2015. Pp 432-436.
  • 53. S.A. Lukman, M. Audu, A.U. Dikko, H.G. Ahmed, M.M. Sauwa, M. Haliru, S.S. Noma, S.A.Yusif, A.Salisu and N.G. Hayatu (2016). Effects of NPK and Cow Dung on the performance of Rice (Oryza sativa) in the Sudan Savanna Agro-ecological Zone of Nigeria. Asian Research Journal of Agriculture, 1(4): 1-9. www.sciencedomain.org
  • 54. Mohammed, A., Dikko A.U., Audu, M. and Mohammed T. (2016). Effects of organic and inorganic soil amendments on soil reaction, exxhangeble bases and cation exchange capacity in Sudana savanna soils of Nigeria. Nigerian Journal of Agriculture, Food and Environment, 12(3):95-103. www.njafe.org/njafe2016
  • 55. Mohammed, A., Dikko A.U., Audu, M. Mohammed, B. S. and Adeboye, M. K. (2016). EVALUATION OF SOME NUTRIENTS IN COWPEA VINE AND LITTER FOR SOIL FERTILITY IMPROVEMENT IN SUDAN SAVANNA, Nigerian Journal of Agriculture, Food and Environment. 12(4):91-97. www.njafe.org/njafe2016
  • 56. Kang B. T. and Dikko A. U. (1991). Effect of Alley Cropping and nitrogen Application on plant and soil micronutrient status. A poster display at American Society of agronomy meeting in Denver, Colorado, USA, 27th October to 1st Nov.1991.
  • 57. Kyiogwom, U. B., Schaefer C. and Dikko A. U. (1993). The establishment, management and control of the Zamfara Grazing Reserve. First JLU/UDUS joint seminar, held at Usmanu Danfodiyo University Sokoto, Feb., 24th 1993.
  • 58. Dikko A. U. Bashir, D., Babaji, G. A. and Chinoko, Y. D. (1993). Inventory of water sources and their qualities in Zamfara Grazing Reserve. First JLU/UDUS joint seminar held at Usmanu Danfodiyo University Sokoto, Feb. 24th 1993.
  • 59. Singh, B. R., Dikko, A. U., Magaji, M. D., Babaji, G. A. and Ibrahim S. A. (1993). Characterization of the soils in Zamfara Grazing Reserve. First JLU/UDUS joint seminar, held at Usmanu Danfodiyo University Sokoto, Feb. 24th 1993.
  • 60. Ibrahim, S. A., Dikko, A. U. and Orkeen T. T. (1993). Determination of some water quality characteristics of the Kandole – Shela stream. 21st Annual Conference of Soil Sci. Soc. of Nigeria held from 30th January to 4th February 1994 at the Univ. of Uyo.
  • 61. Dawaki, U. M., Dikko, A. U., Noma, S. S. and Aliyu, U. (2011). Spatial Concentration and Speciation of Heavy Metals in Kano Urban Agricultural Lands. 35th Annual Conference of Soil Sci. Soc. of Nigeria held from 7th to 11th March 2011 at Fed. University of Technology Minna, Niger State.
  • 62. Dikko, A. U., Abdullahi, A.A. and Salisu, A. (2011). Monitoring salinity development in lugu main canal of Wurno Irrigation Project five years after rehabilitation. 35th Annual Conference of Soil Sci. Soc. of Nigeria held from 7th to 11th March 2011 at Fed. University of Technology Minna, Niger State.
  • 63. Dikko, A. U.; Smart R., Wade A. and Cresser M.S. (1997). Possible effects of losses in drainage water on the copper and zinc status of Scottish Upland soils and their Sustainability. Special Congress Issue, Geo-information for sustainable land management (SLM), ITC Journal, Enschede, The Netherlands, Vol. 3(4) Pp 1 – 15.