selected publications
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article
- Influence of soil properties on N2O and CO2 emissions from excreta deposited on tropical pastures in Kenya. SOIL BIOLOGY & BIOCHEMISTRY. 140. 2020
- The effects of climate on decomposition of cattle, sheep and goat manure in Kenyan tropical pastures. PLANT AND SOIL. 451:325-343. 2020
- Earthworms regulate ability of biochar to mitigate CO2 and N2O emissions from a tropical soil. APPLIED SOIL ECOLOGY. 140:57-67. 2019
- Soil carbon dioxide and methane fluxes from forests and other land use types in an African tropical montane region. BIOGEOCHEMISTRY. 143:171-190. 2019
- Conversion of natural forest results in a significant degradation of soil hydraulic properties in the highlands of Kenya. SOIL & TILLAGE RESEARCH. 176:36-44. 2018
- Effect of Dung Quantity and Quality on Greenhouse Gas Fluxes From Tropical Pastures in Kenya. GLOBAL BIOGEOCHEMICAL CYCLES. 32:1589-1604. 2018
- Enhancing soil organic carbon, particulate organic carbon and microbial biomass in semi-arid rangeland using pasture enclosures. BMC ECOLOGY. 18. 2018
- Land Use, Land Use History, and Soil Type Affect Soil Greenhouse Gas Fluxes From Agricultural Landscapes of the East African Highlands. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. 123:976-990. 2018
- Management intensity controls soil N2O fluxes in an Afromontane ecosystem. SCIENCE OF THE TOTAL ENVIRONMENT. 624:769-780. 2018
- Pasture enclosures increase soil carbon dioxide flux rate in Semiarid Rangeland, Kenya. CARBON BALANCE AND MANAGEMENT. 13. 2018
- Simple and robust algorithms to estimate liveweight in African smallholder cattle. ANIMAL PRODUCTION SCIENCE. 58:1758-1765. 2018
- Soil nitrous oxide emissions from agricultural soils in Canada: Exploring relationships with soil, crop and climatic variables. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 254:69-81. 2018
- Land use affects total dissolved nitrogen and nitrate concentrations in tropical montane streams in Kenya. SCIENCE OF THE TOTAL ENVIRONMENT. 603:519-532. 2017
- Smallholder farms in eastern African tropical highlands have low soil greenhouse gas fluxes. BIOGEOSCIENCES. 14:187-202. 2017
- Greenhouse gas emissions from natural ecosystems and agricultural lands in sub-Saharan Africa: synthesis of available data and suggestions for further research. BIOGEOSCIENCES. 13:4789-4809. 2016
- Greenhouse gas fluxes from agricultural soils of Kenya and Tanzania. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. 121:1568-1580. 2016
- Long-term assessment of soil and water conservation measures (Fanya-juu terraces) on soil organic matter in South Eastern Kenya. GEODERMA. 274:1-9. 2016
- Methane and Nitrous Oxide Emissions from Cattle Excreta on an East African Grassland. JOURNAL OF ENVIRONMENTAL QUALITY. 45:1531-1539. 2016
- Ground cover rice production systems increase soil carbon and nitrogen stocks at regional scale. BIOGEOSCIENCES. 12:4831-4840. 2015
- Evidencing overwinter loss of residual organic and clay-fixed nitrogen from spring-applied, N-15-labelled pig slurry. CANADIAN JOURNAL OF SOIL SCIENCE. 94:1-8. 2014
- Regional nitrogen budget of the Lake Victoria Basin, East Africa: syntheses, uncertainties and perspectives. ENVIRONMENTAL RESEARCH LETTERS. 9. 2014