Decomposition of Carbon-14 labelled ryegrass and maize under tropical conditions , Ayanaba, A. and Jenkinson, D. S. , in: Soil Science Society of America Journal, volume 64, pages 112-115, 1990.
Effectivity of indigenous rhizobia for nodulation and early nitrogen fixation with Leucaena leucocephala grown in Nigeria soils , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Soil Biology and Biochemistry, volume 21, number 2, pages 231-235, 1989.
Nitrogen fixation of field-inoculated Leucaena leucocephala (Lam.) de Wit estimated by the 15N and the difference methods , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Plant and Soil, volume 117, pages 269-274, 1989.
Nitrogen contribution of Leucanea/Rhizobium symbiosis to soil and a subsequent maize crop , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Plant and Soil, volume 112, pages 137-141, 1988.
Nodulation and growth of Leucaena leucocephala (Lam.) de Wit as affected by inoculation and N fertilizer , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Plant and Soil, volume 112, pages 129-135, 1988.
Response of Leucaena/Rhizobium symbiosis to mineral nutrients in Southwestern Nigeria , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Plant and Soil, volume 112, pages 121-127, 1988.
Inoculation of Leucocephala(Lam.) de Wit with Rhizobium and its nitrogen contribution to a subsequent maize crops , Sanginga, N. , Mulongoy, K. and Ayanaba, A. , in: Biological Agriculture and Horticulture, volume 3, pages 347-352, ISSN 0144-8765, 1986.
Dynamics of the population sizes of cowpea and soybean rhizobia at three locations in West Africa , Mulongoy, K. and Ayanaba, A. , in: Mircen Journal of Applied Microbiology and Biotechnology, volume 2, pages 301-308, 1986.
Use of enzyme-linked immunosorbent assay (ELISA) in the detection of Rhizobium both in culture and from root nodules of soybeans and cowpeas , Asanuma, S. , Thottappilly, G. , Ayanaba, A. and Ranga Rao, V. , in: Canadian Journal of Microbiology, volume 31, pages 524-528, ISSN 0008-4166, 1985.
Effect of Rhizobium inoculation on field- grown soybeans in Western Nigeria and assessment of inoculum persistence during a two-year fallow , Ranga Rao, V. , Ayanaba, A. , Eaglesham, A.R.J. and Thottappilly, G. , in: Tropical Agricultural, volume 62, number 2, pages 125-130, 1985.
Effect of inoculation and mineral nutrients on nodulation and growth of Leucaena leucocephala (Lam.) de Wit , Mulongoy, K. , Sanginga, N. and Ayanaba, A. , 1984.
Effect of inoculation and mineral nutrients on nodulation and growth of Leucaena leucocephala (Lam.) de Wit , Mulongoy, K. , Sanginga, N. and Ayanaba, A. , 1984.
Inoculation of Leucaena leucocephala (Lam.) de Wit. with Rhizobium and its nitrogen contribution to a subsequent maize crop , Mulongoy, K. , Sanginga, N. and Ayanaba, A. , Ashford, 1984.
Variation of the population sizes ofcowpea and soybeans rhizobia at three locations in West Africa , Mulongoy, K. and Ayanaba, A. , 1983.
Studies on the Persistence of Introduced Strain of Rhizobium japonicum in soil During Fallow and the Effects on Soybean Growth and Yield , Ranga Rao, V. , Thottappilly, G. and Ayanaba, A. , in: Biological Nitrogen Fixation Technology for Tropical Agriculture, pages 309-315, 1982.
Evaluation of Rhizobium inoculants with field-grown cowpeas at three locations , Mulongoy, K. and Ayanaba, A. , in: Paper presented at NSMAnnual Conference, 26-30 January 1982, 1982.
Identification of effective symbioses between cowpeas and indegenous rhizobia or endornycorrhizal fungi in three soils , Mulongoy, K. and Ayanaba, A. , in: Paper presented at NSM Annual Conference , 26-30 January 1982, 1982.
Cowpea nodulation and response to inoculation in West Africa , Mulongoy, K. , Ayanaba, A. , Asanuma, S. and Ranga Rao, V. , in: Paper presented at 1st OAU/STRC Inter-African Conference on Bio-fertilizers,22-26 March 1982, 1982.
Microbiology research and the change from shifting to continuous cultivation , Ayanaba, A. , in: Paper presented at FAO Workshop Shifting Cultivation:Teaching and Research at the Univasity Level,, 1982.
The State of biotechnology in Africa with special emphasis on biological nitrogen fixation , Ayanaba, A. , in: Paper presented at Symposium on Biotechnology in Developing Countries, 13-14 October 1982, Delft, The Netherlands, 1982.
Acid-A1 tolerance and effectiveness of promiscous rhizobia in symbiosis with cowpea and soybean. Poster no. P15:8 , Ayanaba, A. and Munns, D.N. , in: Presented at XIII International Congress of Microbiolgy, 8-13 August 1982,Boston, Mass USA, 1982.
Bacterial and the Nitrogen Economy , Ayanaba, A. , in: Impact of Science on Society, volume 32, pages 179-187, 1982.
The Value of Mulches in the Management Organic Matter in Tropical Soils , Ayanaba, A. , in: Coloquio regional Sobre Materia organica do Solo, pages 97-113, 1982.
Antibiotic-resistant Mutants identified from Nodules of Uninoculated soybeans Grown in a Strongly acidic Soil , Ayanaba, A. and Wong, A.L. , in: Soil Biology and Biochemistry, volume 14, pages 139-143, 1982.
Examining the potential for inoculant use with cowpeas in West African soils. , Ahmad, H. , Eaglesham, A.R.J. , Hassouna, S. , Seaman, B. , Ayanaba, A. , Mulongoy, N. and Pulver, E. L. , in: Tropical Agriculture (Trinidad), volume 58, pages 325-335, 1981.
High-temperature tolerant "cowpea" rhitzobia, , Eaglesham, A.R.J. , Seaman, B. , Ahmad, H. , Hassouna, S. , Ayanaba, A. and Mulongoy, K. , Australian Academy of Science, 1981.
Cassava varietal response to mycorrhizal fungi in phosphate-deficient soils , Hahn, S. K. , Kang, B. and Ayanaba, A. , GIAM VI, Academic Press, 1981.
Biological nitrogen fixation research at the International Institute of Tropical Agriculture (IITA) , Rao, R. D. and Ayanaba, A. , in: International Workshop on Biological Nitrogen Fixation Technology for Tropical Agriculture, CIAT, Cali. 9-13 March 1981, 1981.
Inoculant production systems - East and West Africa , Rao, R. D. and Ayanaba, A. , in: International Workshop on Biological Nitrogen Fixation Technology for Tropical Agriculture, CIAT, Cali. 9-13 March, 1981.
Improving the nitrogen nutrition of maize by intercropping with cowpea , Eaglesham, A.R.J. , Ayanaba, A. , Rao, V and Eskew, D. L. , in: Soil Biology and Biochemistry, volume 13, pages 169-171, 1981.
Exploiting the diversity in the cowpea - rhizobia symbiosis for increased cowpea production , Mulongoy, K. , Ayanaba, A. and Pulver, E. , Global Impacts of Applied Microbiology, volume pp. 119 - 125, Academic Press, 1981.
Exploiting symbiotic nitrogen fixation for increasing soybean yields in Africa , Rao, V , Ayanaba, A. , Eaglesham, A.R.J. and Kueneman, E. , pages 153-167, Academic Press, 1981.
An agar plate method for rapid screening of Rhizobium for tolerance to aluminum , Ayanaba, A. , Asanuma, S. and Munns, D.N. , in: Presented at the 8th North America Rhizobium Conference, Winnipeg, 2-7 August, 1981.
Benompl and mancozeb as fungicides in soil studies of Azotobacter and Beijeninckia. Short Communication , Ayanaba, A. , volume Plant and Soil, number 60, pages 157-159, 1981.
Rhizobium and its utilization in African soils , Ayanaba, A. , Global impacts of Applied Microbiology, pages 85-95, Academic Press, 1981.
Microbiological factors , Ayanaba, A. and Sanders, F. E. , Characterisation of Soils, pages 164-187, Oxford University Press, 1981.
Benomyl and mancozeb as fungicides in soil studies of Azotobacter and Beijerinckina , Ayanaba, A. , in: Plant and Soil, volume 60, number 1, pages 157-159, 1981.
Effect of phosphate fertilization and inoculation with VA-mycorrhizal fungi on performance of cassava (Manihot esculenta Crantz) grown on an Alfisol , Kang, B. T. , Islam, R. , Sanders, F. E. and Ayanaba, A. , in: Field Crops Research, volume 3, pages 83-94, 1980.
Cassava varietal response to mycorrhizal fungi in phosphate deficient soils , Kang, B. T. , Hahn, S. K. and Ayanaba, A. , 1980.
Cassava varietal response to mycorrhizal fungi in phosphate deficient soils , Hahn, S. K. , Kang, B. T. and Ayanaba, A. , 1980.
Response of cowpea (Vigna unguiculata) to inoculation with VA-mycorrhizal fungi and to rock phosphate fertilization in some unsterilized Nigerian soils , Islam, R. , Ayanaba, A. and Sanders, F. E. , in: Plant and Soil, volume 54, pages 107-117, 1980.
Exploiting the diversity in the cowpea-rhizobia symbiosis for increased cowpea production , Mulongoy, K. , Ayanaba, A. and Pulver, E. L. , 1980.
Exploiting symbiotic nitrogen fixation for increasing soybean yields in Africa , Rao, R. V. , Ayanaba, A. , Eaglesham, A.R.J. and Kueneman, E. , 1980.
First year results of the IITA/UNEP project on Rhizobium strain testing and survival in Africa , Ayanaba, A. and Rao, V , in: MIRCEN (NAIROBI) NEWSLETTER, 1980.
Biological nitrogen fixation at the International Agricultural Research Centers , Ayanaba, A. , 1980.
Drought stress of cowpea and soybean under tropical conditions , Wien, H. C. , Litttleton, E.J. and Ayanaba, A. , 1979.
Assessing nitrogen contribution of cowpea and soybean crop to soil , Eaglesham, A.R.J. , Ayanaba, A. , Ranga Rao, V. and Eskew, D. L. , 1979.
Response of soybean to seed inoculation with rhizobium in humid tropical conditions , Ranga Rao, V. , Ayanaba, A. and Eaglesham, A.R.J. , 1979.
Microbiology in forest soils as affected by clearing and cultivation , Ayanaba, A. and Juo, A. S. R. , 1979.
Herbicides in tropical soils and water , Ayanaba, A. , in: Weeds and their control in the humid and subhumid tropics: proceedings of a Conference at the International Institute of Tropical Agriculture, 3-7 July 1978, edited by I.O. Akobundu, pages 61-72, 1978.
The role of the microbiologist in agriculture: Seventh Annual Symposium of the Nigerian Society for Microbiology, Nsukka. November 8-10, 1978 , Ayanaba, A. , 1978.
Denitrification in a Topsequence , Ayanaba, A. and Veldkamp, W. J. , in: SCOPE/UNEP Workshop on Nitrogen Cycling in West African Ecosystems, Ibadan. December 11 - 15, 1978, 1978.
The potential distribution of nitrogen from rhizobia: a review , Ayanaba, A. , 1978.
Effects of Fertilizer Use on Cowpea and Soybean Nodulation and Nitrogen Fixation in the Lowland Tropics. In Ayanaba and Dart , Kang, B. T. , Nangju, D. and Ayanaba, A. , 1977.
Decomposition of carbon-14 labelled plant meterial under tropical conditions , Jenkinson, D. S. and Ayanaba, A. , in: Soil Science Society of America Journal, volume 41, number 5, pages 912-915, ISSN 0361-5995, 1977. [DOI]
Manpower Needs for Soil Fertility Maintainance in the Developing Nations , Ayanaba, A. , University of Malaya Press, 1977.
Rhizobium in Traditional and Modern Agriculture of the Humid Tropics , Ayanaba, A. , in: Proceedings of the Third International Conference on Culture Collections, 14-19 March, 1977, pages 83-95, University of Bombay, Bombay, India, 1977.
Response of cowpea (Vigna unguiculata) to VA-mycorhizal inoculation and rock phosphate fertilization in five unsterile Nigerian soils , Islam, R. , Ayanaba, A. and Sanders, F. E. , 1976.
Urea transformation in some tropical soils , Ayanaba, A. and Kang, B. T. , in: Soil Biology and Biochemistry, volume 8, number 4, pages 313-316, ISSN 0038-0717, 1976.
The effect of clearinng and croping on the organic reserves and biomas of tropical forest soils , Ayanaba, A. , Tuck-well, S.B and Jenkinson, D. S. , in: Soil Biology and Biochemistry, volume 8, number 6, pages 519-525, ISSN 0038-0717, 1976. [DOI]
Interaction of fertilizer use on cowpea ( Vigna unguiculata (L.) Walp.) and Soybean (Glycine max. (L.) Merill) Nodulation and Nitrogen fixation in the Lowland Tropics , Nangju, D. , Kang, B. T. and Ayanaba, A. , IITA, 1975.
Interaction of fertilizer use on cowpea (Vigna unguiculata(L.) walp) and Soybean (Glycine max. (L.) Merrill) Nodulation and Nitrogen fixation in the lowland tropics , Kang, B. T. , Nangju, D. and Ayanaba, A. , 1975.
Increased incidence of Pythium stem rot in cowpea treated with benomyl and related fungicides , Williams, R. J. and Ayanaba, A. , in: Phytopathology, volume 65, pages 217-218, ISSN 0031-949X, 1975. [DOI]
Rhizobium intropical agriculture , Ayanaba, A. , 1975.
Towards better use or inoculants in the humid tropics , Ayanaba, A. , IITA, 1975.
Initial studies on the legume Rhizobium Symbiosis , Ayanaba, A. , IITA, 1975.
Manpower need for the maintainace of soil fertility in the developing nations , Ayanaba, A. , 1975.
Rhizobium in tropical agriculture , Ayanaba, A. , 1975.
Increased incidence of pythium stems rot in cowpeas treated with benomyl and related fungicides , Williams, R. J. and Ayanaba, A. , Abstracts of papers presented at 66th Annual Meeting of A.P.S. and 40th Session Canadian Phytopathological Society, Vancouver, Canada, 1974.
Plant-parasitic nematode of population differences under no-tillage and tillage soil regimes in Western Nigeria , Caveness, F. E. , Ayanaba, A. and Okigbo, B. , 1974.
Transformations of methylamines and formation of a hazardous product, dimethylnitrosamine, in samples of treated sewage and lake water , Ayanaba, A. and Alexander, M. , in: Journal of Environmental Quality, volume 3, number 1, pages 83-89, ISSN 0047-2425, 1974.
Mulching for improved soil fertility and crop production , Ayanaba, A. and Okigbo, B. , 1974.
Microbiology of acid tropical soils , Ayanaba, A. and Omayuli, A. P. O. , number 34, 1974.
Nodulation and nitrogen fixation in six grain legumes , Ayanaba, A. and Nangju, D. , in: Proceedings of the First IITA Grain Legume Improvement Workshop, held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, 29 October-2 November, 1973, pages 198-204, 1973.