selected publications
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article
- Farmer-led approaches to increasing tree diversity in fields and farmed landscapes in Ethiopia. Agroforestry Systems. 1-18. 2020
- Regenerated trees in farmers' fields increase soil carbon across the Sahel. Agroforestry Systems. 94:401-415. 2020
- Beyond averages: new approaches to understand heterogeneity and risk of technology success or failure in smallholder farming. Experimental Agriculture. 55:84-106. 2019
- LOADING THE DICE IN FAVOUR OF THE FARMER: REDUCING THE RISK OF ADOPTING AGRONOMIC INNOVATIONS. Experimental Agriculture. 55:67-83. 2019
- TO CONTROL OR NOT TO CONTROL: HOW DO WE LEARN MORE ABOUT HOW AGRONOMIC INNOVATIONS PERFORM ON FARMS?. Experimental Agriculture. 55:303-309. 2019
- A meta-analysis of molecular marker genetic datasets for eastern Africa trees supports the utility of potential natural vegetation maps for planning climate-smart restoration initiatives. Tree Genetics & Genomes. 13:71. 2017
- Planned Comparisons Demystified 2017
- Isolated trees as nuclei of regeneration in tropical pastures: testing the importance of niche-based and landscape factors. Journal of Vegetation Science. 27:679-691. 2016
- Early survival and growth of Allanblackia stuhlmannii (Clusiaceae): a threatened tropical rainforest tree of high economic value in Tanzania. African Journal of Ecology. 53:572-580. 2015
- Associating multivariate climatic descriptors with cereal yields: A case study of Southern Burkina Faso 2015
- Soil Heterogeneity and Soil Fertility Gradients in Smallholder Farms of the East African Highlands. Soil Science Society of America Journal. 77:525-538. 2013
- Occurrence and distribution of aflatoxin contamination in groundnuts (Arachis hypogaea L) and population density of Aflatoxigenic Aspergilli in Malawi. Crop Protection. 42:149-155. 2012
- Allometric equations for estimating biomass in agricultural landscapes: I. Aboveground biomass. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 158:216-224. 2012
- Are food insecure smallholder households making changes in their farming practices? Evidence from East Africa. Food Security. 4:381-397. 2012
- Cereal yield response to conservation agriculture practices in drylands of West Africa: A quantitative synthesis. Journal of Arid Environments. 78:13-25. 2012
- CLIMATE- AND LAND USE-INDUCED RISKS TO WATERSHED SERVICES IN THE NYANDO RIVER BASIN, KENYA. Experimental Agriculture. 47:339-356. 2011
- Agronomic use efficiency of N fertilizer in maize-based systems in sub-Saharan Africa within the context of integrated soil fertility management. Plant and Soil. 339:35-50. 2011
- Participatory evaluation of integrated pest and soil fertility management options using ordered categorical data analysis. Agricultural Systems. 103:233-244. 2010
- The diversity of rural livelihoods and their influence on soil fertility in agricultural systems of East Africa - A typology of smallholder farms. Agricultural Systems. 103:83-97. 2010
- A conjoint analysis of farmer preferences for community forestry contracts in the Sumber Jaya Watershed, Indonesia. Ecological Economics. 68:2040-2050. 2009
- The tale of "RMG and the annual planning meetings" 2007
- Water use of tree lines: importance of leaf area and micrometeorology in sub-humid Kenya. Agroforestry Systems. 66:179-189. 2006
- The response of pigeonpea genotypes of different duration types to variation in temperature and photoperiod under field conditions in Kenya 2006
- Selection of assessment methods for evaluating banana weevil Cosmopolites sordidus (Coleoptera: Curculionidae) damage on highland cooking banana (Musa spp., genome group AAA-EA).. Bulletin of Entomological Research. 95:115-123. 2005
- Host-specific cues cause differential attractiveness of Kenyan men to the African malaria vector Anopheles gambiae. Malaria Journal. 1:17-17. 2002
- Assessing the adoption potential of agroforestry practices in sub-Saharan Africa 2001
- Recognition and duration of larval instars of banana weevil, Cosmopolites sordidus Germar, in Uganda 1999
- Relating Preseason Soil Nitrogen to Maize Yield in Tree Legume‐Maize Rotations. Soil Science Society of America Journal. 62:1604-1609. 1998
- Improving maize (Zea mays) yields in semiarid highlands of Kenya: agroforestry or inorganic fertilizers?. Field Crops Research. 55:57-72. 1998
- Root length and nitrate under Sesbania sesban: Vertical and horizontal distribution and variability. Agroforestry Systems. 42:265-282. 1998
- THE EFFECT OF SHORT-ROTATION SESBANIA-SESBAN PLANTED FALLOWS ON MAIZE YIELD. Forest Ecology and Management. 64:199-208. 1994
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dataset
- Influence of indigenous tree presence on soil macrofauna and soil organic matter dynamics in tropical agricultural landscapes 2015
- Replication Data for: Early survival and growth of Allanblackia stuhlmannii (Clusiaceae): a threatened tropical rainforest tree of high economic value in Tanzania 2015
- Scaling up agroforestry requires research ‘in' rather than ‘for' development 2015
- Replication data for: Prototype hedgegrow intercropping systems 1998
- Replication data for: Screening of suitable species for three-year fallow 1998
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document
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editorial article
- THE OPTIONS BY CONTEXT APPROACH: A PARADIGM SHIFT IN AGRONOMY. Experimental Agriculture. 55:1-13. 2019
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review
- Advances in knowledge of processes in soil–tree–crop interactions in parkland systems in the West African Sahel: A review. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 25-35. 2015
- Scaling up agroforestry requires research ‘in’ rather than ‘for’ development. Current Opinion in Environmental Sustainability. 73-77. 2014