selected publications
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article
- Can food technology innovation change the status of a food security crop? A review of cassava transformation into "Bread" in Africa. Food Reviews International. 34:1-16. 2018
- Soil fertility decline at the base of rural poverty in sub-Saharan Africa.. Nature plants. 1:15101-15101. 2015
- N2Africa: putting nitrogen fixation to work for smallholder farmers in Africa 2013
- Long-term integrated soil fertility management in South-western Nigeria: Crop performance and impact on the soil fertility status. Plant and Soil. 273:337-354. 2012
- Inter and Intra-Specific Variation of Legumes and Mechanisms to Access and Adapt to Less Available Soil Phosphorus and Rock Phosphate 2011
- Sustainable management of globally significant endemic ruminant livestock in West Africa (PROGEBE): Summary for decision making?The Gambia 2011
- Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria: fixed-nitrogen versus other rotation effects. Nutrient Cycling in Agroecosystems. 84:129-139. 2009
- Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria. African Journal of Agricultural Research. 4:913-921. 2009
- Rotation effects of grain legumes and fallow on maize yield, microbial biomass and chemical properties of an Alfisol in the Nigerian savanna. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 129:325-331. 2009
- Relationship of Soil Qualities to Maize Growth under Increasing Phosphorus Supply in Acid Soils of Southern Cameroon. Pedosphere. 18:645-652. 2008
- Biomass and Phosphorus Uptake Responses of Maize to Phosphorus Application in Three Acid Soils from Southern Cameroon. Communications in Soil Science and Plant Analysis. 39:1546-1558. 2008
- Response of corn genotypes to weed interference and nitrogen in Nigeria 2008
- Structural change in fertilizer procurement method: assessment of impact in sub-Saharan Africa. AFRICAN JOURNAL OF BUSINESS MANAGEMENT. 2:65-71. 2008
- A model for promoting a versatile but yet minor crop : Soybean in the farming systems of Kenya 2007
- Evaluation of cowpea genotypes for variations in their contribution of N and P to subsequent maize crop in three agro-ecological zones of West Africa 2007
- Evaluation of maize yield in an on-farm maize-soybean and maize-lablab crop rotation systems in the Northern Guinea Savanna of Nigeria 2007
- Genotypic variation of soybean for phosphorus use efficiency and their contribution of N and P to subsequent maize crops in three ecological zones of West Africa 2007
- Variability of cowpea breeding lines to low phosphorus tolerance and response to external application of Phosphorus 2007
- A model for promoting a versatile crop that has remained minor: the case of soybean in Kenya 2006
- Senna siamea trees recycle Ca from a Ca-rich subsoil and increase the topsoil pH in agroforestry systems in the West African derived savanna zone. Plant and Soil. 269:285-296. 2005
- Sustainable resource management coupled to resilient germplasm to provide new intensive cereal-grain-legume-livestock systems in the dry savanna.. Agriculture, Ecosystems & Environment. 100:305-314. 2003
- The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria. Plant and Soil. 241:223-231. 2002
- Alley cropping with Senna siamea in South-western Nigeria : I . Recovery of 15N labeled urea by the alley cropping system. Plant and Soil. 231:187-199. 2001
- Nitrogen management in 'adequate' input maize-based agriculture in the derived savanna benchmark zone of Benin Republic. Plant and Soil. 228:61-71. 2001
- Strategic environmental assessment: an assessment of the impact of cassava production and processing on the environment and biodiversity 2001
- Alley cropping in the moist savanna of West Africa II. Impact on soil productivity in a north-to-south transect in Togo 1999
- Alley cropping in the moist savanna of West Africa III. Soil organic matter fractionation and soil productivity 1999
- Arbuscular mycorrhizal fungi (AMF) respond to rhizobial inoculation and cropping systems in farmer's fields in the Guinea savanna 1999
- Evaluation of methods for measuring microbial biomass C and N and their relationship with soil organic matter particle size classes for soils from the West-African moist savanna zone 1999
- Policy shifts and adoption of alley farming in West and Central Africa 1999
- Mineral N dynamics in bare and cropped Leucaena leucocephala and Dactyladenia barteri alley cropping systems after the addition of 15N-labelled leaf residues 1998
- Mucuna - herbaceous cover legume with potential for multiple uses: RCMP Research monograph, No. 25 1998
- Soil organic matter dynamics after addition of nitrogen-15-labeled Leucaena and Dactyladenia residues. Soil Science Society of America Journal. 62:461-466. 1998
- Decomposition of four Leucaena and Senna prunings in alley cropping systems under sub-humid tropical conditions: The process and its modifiers. Soil Biology & Biochemistry. 29:131-137. 1997
- Effect of soybean on subsequent maize grain yield in the Guinea savanna zone of West Africa 1997
- Residue quality and decomposition: An unsteady relationship? 1997
- Phosphorus requirement and nodulation of herbaceous and shrub legumes in low P soils of a Guinean Savanna in Nigeria. Applied Soil Ecology. 3:247-255. 1996
- Nodulation and estimation of symbiotic nitrogen fixation by herbaceous and shrub legumes in Guinea savanna in Nigeria. Biology and Fertility of Soils. 23:441-448. 1996
- Evaluation of symbiotic properties and nitrogen contribution of mucuna to maize grown in the derived savanna of West Africa. Plant and Soil. 179:119-129. 1996
- Impact of residue quality on the C and N mineralization of leaf and root residues of three agroforestry species. Plant and Soil. 183:221-231. 1996
- Alley farming research on high base status soils 1995
- Field validation of intraspecific variation in phosphorus use efficiency and nitrogen fixation by provenances of Gliricidia sepium grown in low P soils. Applied Soil Ecology. 1:127-138. 1994
- Contribution of soil organisms to the sustainability and productivity cropping systems in the tropics. Agriculture, Ecosystems & Environment. 41:135-152. 1992
- Biological nitrogen fixation in trees in agro-ecosystems. Plant and Soil. 141:177-196. 1992
- Early growth and N2-fixation of leucaena and gliricidia at different levels of phosphorus application 1992
- Variation in nodulation and N2 fixation by the Gliricidia sepium/Rhizobium spp. symbiosis in a calcareous soil. Biology and Fertility of Soils. 11:273-278. 1991
- Intraspecific variation in growth and P accumulation of Leucaena leucocephala and Gliricidia sepium as influenced by soil phosphate status 1991
- Biological nitrogen fixation in alley farming 1990
- Effect of successive cuttings on uptake and partitioning of 15N among plant parts of Leucaena leucocephala 1990
- Influence of reference trees on N2-fixation estimates in Leucaena leucocephala and Acacia albicia using 15N_ labelling techniques 1990
- Nitrogen fixation of field-inoculated Leucaena leucocephala (Lam.) de Wit estimated by the 15N and the difference methods 1989
- Response of Leucaena/Rhizobium symbiosis to mineral nutrients in Southwestern Nigeria. Plant and Soil. 112:121-127. 1988
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document
- Arbuscular mycorrhizal fungi (AMF) in the rhizosphere of bananas systems and growth of tissue culture bananas 2010
- Integrated soil fertility management: operational definition and consequences for implementation and dissemination. Proceedings of the 19th World Congress of Soil Science: Soil solutions for a changing world 2010
- Restoration of terre de barre fertility using pigeonpea grown in rotation or intercropping with maize in the derived savanna of Benin 2008
- Residual benefits of soybeans genotypes and natural fallow to subsequent maize in the Northern Guinea Savanna of Nigeria 2007
- Utilization of phosphorus from different sources by genotypes of promiscuous soybean and cowpea in a low-phosphorus savanna soil 2007
- Banana inputs, production, and marketing in Kenya and Uganda 2004
- The multiple roles of organic resources in implementing integrated soil fertility management strategies 2004
- Role of biological nitrogen fixation in legume based cropping systems; a case study of West Africa farming systems 2003
- The African network for soil biology and fertility: new challenges and opportunities 2003
- Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management 2002
- Lessons for appropriate technology generation: example of soil management technology at IITA 2002
- Temporal variations in plant delta 13C values and implications for using the 13C technique in long-term soil organic matter studies 2001
- Dependency of promiscuous soybean and herbaceous legumes on arbuscular mycorrhizal fungi and their response to bradyrhizobial inoculation in low P soils 1999
- Economic evaluation of using mulch from multipurpose trees in maize-based production systems in south-western Nigeria 1999
- Nitrogen fixation and N contribution by promiscuous nodulating soybeans in the southern Guinea savanna of Nigeria 1997
- Field measurements of nitrogen fixation in leguminous trees used in agroforestry systems: influence of 15N-labelling approaches and reference trees 1996
- Analysis and interpretation of alley farming network data from tropical Africa 1995
- Increasing biological N2 fixation and its contribution to the N cycle in alley cropping 1995
- Persistence and recovery of introduced Rhizobium ten years after inoculation on Leucaena leucocephala grown on an Alfisol in southwetern Nigeria 1994
- Assessment of genetic variability for N2 fixation between and with provenance of Leucaena leucocephala and Acacia albida estimated by 15N labelling techniques 1990
- Effect of successive cuttings on nodulation and nitrogen fixation of Leucaena leucocephala using 15N dilution and the difference methods 1990
- Genetic variability in symbiotic nitrogen fixation within and between provenances of two Casuarina species using the 15N-labelling methods 1990
- Effectivity of indigenous rhizobia for nodulation and early nitrogen fixation with Leucaena leucocephala grown in Nigeria soils 1989
- Nodulation and growth response of Allocasuarina and Casuarina species to phosphorus fertilization 1989
- Nodulation and growth of Leucaena leucocephala (Lam.) de Wit as affected by inoculation and N fertilizer 1988
- Inoculation of Leucaena leucocephala (Lam.) de Wit. with Rhizobium and its nitrogen contribution to a subsequent maize crop 1984