selected publications
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article
- Banana Biomass Estimation and Yield Forecasting from Non-Destructive Measurements for Two Contrasting Cultivars and Water Regimes. AGRONOMY-BASEL. 10. 2020
- Optimizing sowing density-based management decisions with different nitrogen rates on smallholder maize farms in Northern Nigeria. Experimental Agriculture. 56:866-883. 2020
- 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
- DOES CROP-LIVESTOCK INTEGRATION LEAD TO IMPROVED CROP PRODUCTION IN THE SAVANNA OF WEST AFRICA?. Experimental Agriculture. 46:439-455. 2010
- EFFECT OF ORGANIC AND INORGANIC SOIL AMENDMENTS ON SOIL PHYSICAL AND CHEMICAL PROPERTIES IN A WEST AFRICA SAVANNA AGROECOSYSTEM. Tropical and Subtropical Agroecosystems. 12:247-255. 2009
- Plant age and rock phosphate effects on the organic resource quality of herbaceous legume residues and their N and P release dynamics. Agronomy for Sustainable Development. 28:429-437. 2008
- THE ROLE OF CATTLE MANURE IN ENHANCING ON-FARM PRODUCTIVITY, MACRO- AND MICRO-NUTRIENT UPTAKE, AND PROFITABILITY OF MAIZE IN THE GUINEA SAVANNA. Experimental Agriculture. 44:313-328. 2008
- Balanced Nutrient Management System Technologies In The Northern Guinea Savanna Of Nigeria: Validation And Perspective 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
- Differential 13C isotopic discrimination in maize at varying water stress and at low to high nitrogen availability. Plant and Soil. 282:313-326. 2006
- Plant-available P for Maize and Cowpea in P-deficient Soils from the Nigerian Northern Guinea Savanna – Comparison of E- and L-values. Plant and Soil. 283:251-264. 2006
- On-farm Evaluation of Biological Nitrogen Fixation Potential and Grain Yield of Lablab and Two Soybean Varieties in the Northern Guinea Savanna of Nigeria. Nutrient Cycling in Agroecosystems. 73:267-275. 2005
- 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
- Long-term soil organic carbon dynamics in a subhumid tropical climate: 13C data in mixed C3/C4 cropping and modeling with ROTHC. Soil Biology & Biochemistry. 36:1739-1750. 2004
- The distribution of phosphorus fractions and desorption characteristics of some soils in the moist savanna zone of West Africa. Nutrient Cycling in Agroecosystems. 69:127-141. 2004
- Impact of residue characteristics on phosphorus availability in West African moist savanna soils. Biology and Fertility of Soils. 39:422-428. 2004
- Biomass estimations and carbon stock calculations in the oil palm plantations of African derived savannas using IKONOS data. International Journal of Remote Sensing. 25:5447-5472. 2004
- Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 100:285-294. 2003
- Balanced nutrient management systems for cropping systems in the tropics, from concept to practice. Agriculture, Ecosystems & Environment. 100:99-102. 2003
- 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
- Fertility status of soils of the derived savanna and northern guinea savanna and response to major plant nutrients, as influenced by soil type and land use management. Nutrient Cycling in Agroecosystems. 62:139-150. 2002
- Lessons for appropriate technology generation : example of soil management technology at IITA. Key note 2002
- Maize Yield as Affected by Organic Inputs and Urea in the West African Moist Savanna. Agronomy Journal. 93:1191-1199. 2001
- Temporal variations in plant δ13C values and implications for using the 13C technique in long-term soil organic matter studies. Soil Biology & Biochemistry. 33:1245-1251. 2001
- Fertiliser use and definition of farmer domains for impact-oriented research in the northern Guinea savanna of Nigeria. Nutrient Cycling in Agroecosystems. 59:129-141. 2001
- Combined application of organic matter and fertilizer 2001
- Decision support systems for improving the application of integrated nutrient management technologies. 2001
- Leaf quality of selected hedgerow species at two canopy ages in the derived savanna zone of West Africa. Agroforestry Systems. 53:21-30. 2001
- Nitrogen contribution of promiscuous soybeans in maize-based cropping systems 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
- Soil Organic Matter and Soil Fertility 2001
- Utilization of rock phosphate by crops on a representative toposequence in the Northern Guinea savanna zone of Nigeria: response by Mucuna pruriens, Lablab purpureus and maize. Soil Biology & Biochemistry. 32:2063-2077. 2000
- Utilization of rock phosphate by crops on a representative toposequence in the Northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phosphate treatments. Soil Biology & Biochemistry. 32:2079-2090. 2000
- Alley cropping in the moist savanna of West-Africa : II. Impact on soil productivity in a North-to-South transect in Togo. Agroforestry Systems. 42:229-244. 1998
- Alley cropping in the moist savanna of West-Africa. III. Soil organic matter fractionation and soil productivity. Agroforestry Systems. 42:245-264. 1998
- Mineral N dynamics in bare and cropped Leucaena leucocephala and Dactyladenia barteri alley cropping systems after the addition of 15N‐labelled leaf residues. European Journal of Soil Science. 49:417-425. 1998
- Alley cropping in the moist savanna of West-Africa: I. Restoration and maintenance of soil fertility on ’terre de barre‘ soils in Bénin Republic. Agroforestry Systems. 42:213-227. 1998