Professor O. Kadeba
Professor O. Kadeba
 
 
 
 
 
 
 
 
 

Contact Information:
Department of Forestry & Wood Technology,
Federal University of Technology,
P. M. B. 704, Akure, Nigeria.
Postal Code 340001.
Phone: +234-803-5508930
            +234-805-4251066
Email: tunjikadeba@yahoo.com

Departmental Home Page Faculty & Staff FUTA Home Page

Professor O. Kadeba
Forest Soils and Agroforestry

Education

  • Ph.D. Forest Soils and Ecology, Obafemi Awolowo University, Ile-Ife, Nigeria. 1987.
  • M.S. Soil Science, University of Wisconsin, Madison, USA. 1973.
  • B.Sc. (Hons.) Chemistry, University of Ibadan, Ibadan, Nigeria. 1967.

Research Interests

  • Nutrient dynamics in natural and derived forest ecosystems
  • Role of multipurpose tree species in tropical land management
  • Tree/Crop Interactions in agroforestry systems
  • Nutrient management in agroforestry systems
  • Tropical forest plantation forestry
  • Social and Environmental Forestry.

Current Research

  • Comparison of Organic matter and nutrient contents in natural forest and teak plantation in the humid zone of Nigeria
  • Gender issues in on-farm tree planting in the rainforest zone of Ondo State, Nigeria.
  • Socio-economic impact of plantation establishment on the rural polpulace in southwestern Nigeria.

Honours and Awards

  • Resource Person to DSO/ICRAF-HULWA Regional Training of Trainers Course on Agroforestry for sustainable agricultural land-use and natural resources management. 11 – 27 October, 1999, University of Science and Technology, Kumasi, Ghana.
  • DSO/ICRAF-HULWA Regional Planning Workshop on Strengthening Training and Education in Agroforestry. Cotonou, Republic of Benin. 16 – 21 May, 1999.
  • Recipient (together with two other colleagues) of African Academy of Sciences Research Grant for a study of Management intervention for altering the Nitrogen release patterns by manipulating the quality of plant residues. Capacity Building in Forestry Research, African Academy of Sciences, Nairobi (2000/2001).
  • Visiting Senior Scientist Fellowship to prepare a monograph for African network for Agroforestry Education on Soils Aspect of Agroforestry. International Centre for Agroforestry Research, Nairobi, Kenya. January – April, 1998.
  • Swedish Institute Guest Scholar: Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, Uppsala. January – December, 1997.
  • Recipient of Centre for International Forestry Research (CIFOR) Fund to participate in International Congress on Soils of Tropical Forest Ecosystems, Balikpapan, Indonesia. October/November, 1995
  • Recipient of African Network for Agroforestry Education scholarship to participate in the Workshop on Experimental Design and Analysis in agroforestry research. ICRAF, Nairobi, Kenya. 9 – 23 July, 1994.
  • Recipient of UN Office for Outer Space Affairs Grant for Remote Sensing Education for Educators. Stockholm University in co-operation with Swedish Space Corporation, Kiruna, Sweden, May – June 1994.
  • Recipient of Action Research Grant Award from the African Development Foundation, Washington D.C., U.S.A. to support Participatory Research on Village and Farm Forestry in Ondo State, Nigeria. October 1992 – September, 1994.
  • The German Academic Exchange Service (DAAD) Fellowship to support visit as a Foreign Academic to the University of Bayreuth, Federal Republic of Germany, September-November, 1992.
  • Resource-Person, Multi-Disciplinary Task Force on Wood and Wood Products, Raw Materials Research and Development Council, Lagos, 1988 to date.
  • EEC Fellow to study the use of remote sensing techniques.  The Netherlands, January – December, 1986.
  • IAEA/FAO Fellow to participate on the course on use of radio isotopes at Vienna, Austria, April – June 1978.
  • Federal Government of Nigeria Scholar, 1965-1967.

Courses Taught

  • Introduction to forest resources management and agroforestry
  • Forest Ecology and Soils
  • Land Use planning
  • Social and Environmental Forestry
  • Remote Sensing Applications in Forestry
  • Agroforestry Systems
  • Tree Nutrition and Forest Soil Management
  • Land Evaluation for Forestry

Professional Affiliations

  • Science Association of Nigeria
  • Ecological Society of Nigeria
  • Forestry Association of Nigeria
  • Soil Science Society of Nigeria
  • Society of American Foresters
  • Nitrogen Fixing-Tree Association
  • Commonwealth Forestry Association
  • Nigerian Environmental Study/Action Team (NEST)

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Publications

Thesis/Dissertation

  • Kadeba, O. (1986). Soil conditions, Biomass production and nutrient content of Pinus caribaea stands in the savanna zone of Nigeria. Ph.D Thesis, Obafemi Awolowo University, Ile-Ife, 169p.
  • Kadeba, O. and others (1985).  Semi-detailed soil survey report of Antequera Area, Spain. Int. Inst. For Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands. 62p.
  • Kadeba, O. (1985). Land Evaluation Report of Antequera Area, Spain. Sub-Dept. of Soil Survey, Int. Institute for Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands.
  • Kadeba, O. (1973). Evaluation of Soil Test Methods for Phosphorus availability in some forest soils in Wisconsin. M.Sc. Thesis, University of Wisconsin, Madison, U.S.A. 64p.

Books, Editorships and Technical Reports

Kaepenjohann, M. and O. Kadeba (1993). Potassium requirements of fast-growing tropical tree plantations.  Technical Report.  Institute of Soil Science and Soil Geography, University of Bayreuth, Federal Republic of Germany.
An Update Report of the Multi-Disciplinary Task Force for the Techno-Economic Survey of the Wood and Wood Products Sector. Raw Materials Research and Development Council, Lagos (1991), 99p.
Report of the multi-disciplinary task force on wood and wood products.  A Team report submitted to the Raw Materials Research and Development Council, Lagos. 1990.

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Refereed Journal Articles

Ogunnika, C.B., Kadeba, O. and J.A. Fuwape (2005). Studies on the relationship of soil physico-chemical properties with multipurpose trees under fallow systems in Akure, Nigeria. Environtropical (In press).
Oyun, M.B., Kadeba, O. and V.A. Aletor (2003b). Pattern of decomposition and N-mineralization as influenced by the nature of tree legume litter. Journal of Tropical Forest Resources 19(2): 1-13.
Oyun, M.B., Kadeba, O. and V.A. Aletor (2003a). Litter placement method and its influence on decomposition and N-mineralization of tree legume leaves. Journal of Tropical Forest Resources 19(1): 183-189.
Oke, D.O. and Kadeba, O. (2002). Biomass production and pruning decomposition in some agroforestry species: Implications for soil fertility maintenance. Journal of Sustainable Tropical Agricultural Research 3: 45-50.
Oke, D.O. and Kadeba, O. (2001). Rooting characteristics and soil nitrate under some agroforestry species on a humid tropical Alfisol. Journal of Sustainable Agriculture and the Environment 3(1): 281-286.
Oke, D.O. and Kadeba, O.  (2000). Effects of some land use systems on soil nitrate and maize growth on a humid tropical Alfisol. Journal of Sustainable Agriculture and the Environment 2(1): 100-104.
Oke, D.O. and O. Kadeba (1997). Changes in the nutrient status of a tropical soil under some fast growing multipurpose trees. Applied Tropical Agriculture Vol. 2(2): 67-72.
Kadeba, O. (1994). Growth and nutrient accumulation by Pinus caribaea on three savanna sites in northern Nigeria. Agric. Ecosystems Environ. 49: 137-147.
Ogunnika, C.B. and O. Kadeba (1993). Effects of various methods of extraction on germination of Gmelina arborea seeds/fruits. Journal of Tropical Forest Science 5 (4).
Kadeba, O. (1991). Above ground biomass production and nutrient accumulation in an age sequence of Pinus caribaea stands. Forest Ecology and Management 41: 237-248.
Kadeba, O. (1990). Fertilizer application in aid of plantation establishment in the savanna area of Nigeria. Water Air and Soil Pollution. 54: 641-649.
Kadeba, O. (1989). Biomass equations for even-aged stands of Caribbean Pine (Pinus caribaea) planted as an exotic in Nigeria. Journal of Tropical Forest Science 1(4): 346-355.
Kadeba, O. and E.A. Aduayi (1986). Dry matter production and nutrient distribution in a Pinus caribaea stand planted in a sub-humid tropical savanna site. Oikos 46: 237-243. Copenhagen.
Kadeba, O. and E.A. Aduayi (1985b). Impact on soils of plantations of Pinus caribaea stands in natural tropical savannas. Forest Ecol. Manage, 13: 27-38.
Kadeba, O. and E.A. Aduayi (1985a). Litter production, nutrient recycling and litter accumulation in Pinus caribaea Morelet var. hondurensis stand in the northern Guinea Savanna of Nigeria. Plant and Soil 86: 197-207.
Orimoyegun, S.O. and O. Kadeba (1983). Potential of Obeche (Triplochiton scleroxylon K. schum) as a leaf vegetable.  Acta Horticulturae 123: 98-163
Kadeba, O. and E.A. Aduayi (1983). Biomass production in Pinus caribaea L. of different ages in the savanna region of Nigeria. In: R. Ballard and S.P. Gessel (Eds.) “Forest Site and Continuous Productivity”, pp. 34-37. USDA Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland and Oregon, 466p.
Kadeba, O. (1982). Studies on soil organic matter and nitrogen under savanna forest reserves: In: W.W. Sanford, H.M. Yesufu and J.S.O. Ayeni (eds.) Nigerian Savanna. Kainji Lake Research Institute, New Bussa, 440p.
Kadeba, O. and J.R. Boyle (1978d). Evaluation of Phosphorus in forest soils: Comparisons of phosphorus uptake, extraction methods and soil properties. Plant and Soil 49: 195-205.
Kadeba, O. (1978c). Development of savanna afforestation in Northern Nigeria. Savanna 7: 29-49.
Kadeba, O. (1978b). Nutritional aspects of afforestation with exotic tree species in the savanna region of Nigeria. Common For. Rev. 57: 181-189.
Kadeba, O. (1978a). Organic matter status of some savanna soils of Northern Nigeria. Soil Science 123: 122-127.
Kadeba, O. and A. Barrera (1977e).  Soils of the Guinea Sudan Savanna of West Africa. In: “Savanna Afforestation in Africa” pp. 26-34. FOR: TF-RAT 95 (DEN) FAO, Rome.
Kadeba, O. and B.SK. Onweluzo (1977d). Effects of eucalyptus plantation on soils. Eucalyptus spp. Special case studies. In: “Savanna Afforestation in Africa” pp. 252: FOR: TR-RAT 95 (DEN), FAO, Rome, 312p.
Kadeba, O. and B.S.K. Onweluzo (1977c). Effects of pine plantations on soils. Pinus spp. Special case studies. In: “Savanna Afforestation in Africa” pp. 252: FOR: TR-RAT 95 (DEN), FAO, Rome. 312p.
Kadeba, O. (1977b). Nutrition of eucalyptus. Special case studies of Eucalyptus spp. In: “Savanna Afforestation in Africa”. Pp. 312.
Kadeba, O. (1977a). Nutrition of Pines (Pinus caribaea and P. oocarpa). In: “Savanna afforestation in Africa”. Pp. 248. FOR: TR-RAT 95 (DEN) FAO, Rome. 312p.
Kadeba, O. (1976). International Symposium on Savanna Afforestation. A review. Savanna 5(2): 192.
Kadeba, O. and J.N. Benjaminsen (1976). Contribution of organic matter and clay to the cation exchange capacity of soils from savanna zone of Nigeria. Comm. Soil Science and Pant Analysis 7(2): 127-129.
Kadeba, O. (1974). Nutrient relationships in some forest reserve soils.  Research Paper (Savanna Series) No. 29, Federal Dept. of For. Res. Ibadan, Nigeria.

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Papers in National and International Conference Proceedings

Kadeba, O. (1999). Soil fertility and agroforestry. Paper presented at the DSO/ICRAF-HULWA Regional Training of Trainers Course on Agroforestry for sustainable agricultural land-use and natural resources management. 11 – 27 October, 1999, UST-Kumasi, Ghana.
Kadeba, O. (1995). Nutrient dynamics in Pinus caribaea plantation ecosystem in Nigeria. Paper presented at the International Congress on Soils of Tropical Forest Ecosystems, Balikpapan, Indonesia. October/November, 1995.
Kadeba, O. (1993). Effects of bush burning on forests and environment. Invited paper at the Workshop on Campaign against Bush Burning. Development Action Agency-Friedrich Ebert Foundation. May 27, 1982, Idanre, Ondo State, Nigeria.
Kadeba, O. (1990b). Soil productivity and tree nutrition in relation to plantation forestry. In: Pulg. H. and H.F. Maitre (Eds.) MAB-IOFRO Workshop. Atelier sur l. amanagement et la conservation de l’ecosystems forestier tropical humide, ACTES, CAYENNE, Guyane Françoise, p.240.
Kadeba, O. (1990a). Soil fertility aspects of tree planting in the semi-arid areas of Nigeria. In: G.O.B. Dada and P.C. Obiaga (eds.) “Development and Management of Forest Resources of Nigeria” pp. 118-122. Forestry Assoc. of Nigeria, Ibadan, 269p.
Kadeba, O. (1989). Nutrients in relation to plantation forestry in Nigeria. In:. J.A. Okojie (Ed.) Proc. Annual. Conf. of Forestry Assoc. of Nigeria, pp. 109-116.
Kadeba, O. (1988). Agroforestry option: A key to sustained land use systems in the tropics. In: G.O.B. Dada (Ed.) “The role of forestry in combating ecological disasters, pp. 17-21.
Kadeba, O. and P.R.O. Kio (1987). Soils in relation to forest productivity in Nigeria. Invited paper, National Workshop on Soil productivity: Lifeline of agricultural productivity. University of Jos, Makurdi Campus, Nigeria.
Ojeniyi, S.O. and O. Kadeba, (1986). Effects of deforestation on Soil: Case studies on maize, cocoa, and eucalyptus cropping.  In: A.B. Oguntala (Ed.) “The Challenge of Deforestation in Nigeria”, pp. 59-71, For. Assoc. of Nigeria, Ibadan 742p.
Kadeba, O. (1986). Land evaluation for afforestation. In: A.B. Oguntala (Ed.). “The Challenge of Deforestation in Nigeria”. Pp. 59-71. For. Assoc. of Nigeria, Ibadan, 742p.
Kadeba, O. (1983). Soil management and fertility maintenance under plantation forestry in the savanna zone of Nigeria. Paper presented at the Forestry Assoc. Conf. Benin City, Nigeria.
Kadeba, O. (1976). Effects of Management practices on soil organic carbon, total nitrogen and nitrogen availability in the northern Guinea Savanna. In: E.E. Enabor (Ed.) Proc. Annual Conf. Forestry Assoc., of Nigeria, pp. 105-118.