selected publications
-
article
- Response of potato crop to selected nutrients in central and eastern highlands of Kenya. Cogent food & agriculture. 7. 2021
- Enhancing Climate Resilience of Rain-Fed Potato Through Legume Intercropping and Silicon Application. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS. 4. 2020
- Revisiting intercropping indices with respect to potato-legume intercropping systems. Field Crops Research. 258:107957. 2020
- Assessment of soil fertility and potato crop nutrient status in central and eastern highlands of Kenya.. Scientific Reports. 10:1-11. 2020
- Agronomic assessment of phosphorus efficacy for potato (Solanum tuberosum L) under legume intercrops.. International plant nutrition colloquium. 10. 43:864-878. 2020
- Short-term casting activity of earthworm Pontoscolex corethrurus (Oligochaeta: Glossoscolecidae) after biochar additions. Soil Biology & Biochemistry. 143:107736. 2020
- Dominant tree species and earthworms affect soil aggregation and carbon content along a soil degradation gradient in an agricultural landscape. Geoderma. 359:113983. 2020
- Optimizing soil nitrogen balance in a potato cropping system through legume intercropping. Nutrient Cycling in Agroecosystems. 117:43-59. 2020
- Increasing potato equivalent yield increases returns to investment under potato-legume intercropping systems. OPEN AGRICULTURE. 4:623-629. 2019
- Nodulation of beans with inoculant carriers from pyrolyzed and non-pyrolyzed sugarcane bagasse in response to different pre-planting water availability. Applied Soil Ecology. 143:126-133. 2019
- Short-term dynamics of soil organic matter fractions and microbial activity in smallholder potato-legume intercropping systems.. Applied Soil Ecology. 142:123-135. 2019
- Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato.. American Journal of Potato Research. 96:457-471. 2019
- Controlling soil erosion in smallholder potato farming systems using legume intercrops. Geoderma Regional. 17. 2019
- Potato-legume intercropping on a sloping terrain and its effects on soil physico-chemical properties. Plant and Soil. 438:447-460. 2019
- Innovative Biomass Cooking Approaches for sub-Saharan Africa. African Journal of Food, Agriculture, Nutrition and Development. 19:14066-14087. 2019
- Pasture enclosures increase soil carbon dioxide flux rate in Semiarid Rangeland, Kenya.. Carbon Balance and Management. 13:24-24. 2018
- Effect of potato hilling on soil temperature, soil moisture distribution and sediment yield on a sloping terrain. Soil & Tillage Research. 184:24-36. 2018
- Enhancing soil organic carbon, particulate organic carbon and microbial biomass in semi-arid rangeland using pasture enclosures.. BMC Ecology. 18:1-9. 2018
- Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems. Agricultural Water Management. 208:59-66. 2018
- Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems. Field Crops Research. 222:78-84. 2018
- Susceptibility of soil organic matter fractions to soil erosion under potato-legume intercropping systems in central Kenya. Journal of Soil and Water Conservation. 73:567-576. 2018
- Spatial variation of soil macrofauna and nutrients in tropical agricultural systems influenced by historical charcoal production in South Nandi, Kenya. Applied Soil Ecology. 119:286-293. 2017
- Soil macrofauna abundance under dominant tree species increases along a soil degradation gradient. Soil Biology & Biochemistry. 112:35-46. 2017
- Short-term influence of compost application on maize yield, soil macrofauna diversity and abundance in nutrient deficient soils of Kakamega County, Kenya. Plant and Soil. 387:379-394. 2015
- Partitioning the contributions of biochar properties to enhanced biological nitrogen fixation in common bean ( Phaseolus vulgaris ). Biology and Fertility of Soils. 51:479-491. 2015
- Consumers' evaluation of volition, control, anticipated regret, and perceived food health risk. Evidence from a field experiment in a traditional vegetable market in Kenya 2015
- Creating Space: Sack Gardening as a Livelihood Strategy in the Kibera Slums of Nairobi, Kenya 2015
- Additional cooking fuel supply and reduced global warming potential from recycling charcoal dust into charcoal briquette in Kenya. Journal of Cleaner Production. 81:81-88. 2014
- Amendment of Tephrosia Improved Fallows with Inorganic Fertilizers Improves Soil Chemical Properties, N Uptake, and Maize Yield in Malawi. International Journal of Agronomy. 2014:299-307. 2014
- Real or Perceived: The Environmental Health Risks of Urban Sack Gardening in Kibera Slums of Nairobi, Kenya. Ecohealth. 10:9-20. 2013
- Implications of Charcoal Briquette Produced by Local Communities on Livelihoods and Environment in Nairobi- Kenya. International Journal of Renewable Energy Development. 2:19-29. 2013
- Urban agriculture, social capital, and food security in the Kibera slums of Nairobi, Kenya. Agriculture and Human Values. 30:389-404. 2013
- Impact of land use types and farming practices on occurrence of arbuscular mycorrhizal fungi (AMF) Taita-Taveta district in Kenya. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 157:32-39. 2012
- Participatory probabilistic assessment of the risk to human health associated with cryptosporidiosis from urban dairying in Dagoretti, Nairobi, Kenya.. Tropical Animal Health and Production. 44:33-40. 2012
- A trans-disciplinary study on the health risks of cryptosporidiosis from dairy systems in Dagoretti, Nairobi, Kenya: study background and farming system characteristics. Tropical Animal Health and Production. 44:3-10. 2012
- Community-Based Wastewater Farming and its Contribution to Livelihoods of the Urban Poor: Case of Nairobi, Kenya. The Journal of Agriculture, Food Systems, and Community Development. 1:151-162. 2011
- Gender mainstreaming in organisational culture and agricultural research processes 2011
- Legume Based Cropping and Soil Biodiversity Dynamics 2011
- The African Green Revolution and the Role of Partnerships in East Africa 2011
- Benefits and Selected Health Risks of Urban Dairy Production in Nakuru, Kenya 2010
- Benefits and selected health risks of urban dairy production in Nakuru, Kenya 2010
- Crop?Livestock?Waste Interactions in Nakuru?s Urban Agriculture 2010
- Nutrient cycles in three African cities 2010
- Strengthening capacity for sustainable livelihoods and food security through urban agriculture among HIV and AIDS affected households in Nakuru, Kenya. International Journal of Agricultural Sustainability. 8:40-53. 2010
- Modular Process Risk Models For Better Management Of Cryptosporidium parvum ? An Emerging Zoonotic Pathogen 2008
- Available technologies to replenish soil fertility in East Africa. Nutrient Cycling in Agroecosystems. 76:153-170. 2007
- Nutrient recovery from solid waste and linkage to urban and peri-urban agriculture in Nairobi, Kenya 2007
- Agricultural intensification, soil biodiversity and ecosystem function in the tropics: the role of nitrogen-fixing bacteria. Applied Soil Ecology. 6:55-76. 1997
-
dataset
- EVALUATING FUEL BRIQUETTE TECHNOLOGIES AND THEIR IMPLICATIONS ON GREENHOUSE GASES AND LIVELIHOODS IN KENYA 2018
- Influence of indigenous tree presence on soil macrofauna and soil organic matter dynamics in tropical agricultural landscapes 2015
- Spatial influence of tree species on the abundance and diversity of soil macrofauna across agricultural catchments of different conversion age from primary natural forest 2015
-
document
-
editorial article
- Synthesis and review: Tackling the nitrogen management challenge: from global to local scales. Environmental Research Letters. 11:120205. 2016