selected publications
-
article
- Evolutionary distance explains shade tree selection in agroforestry systems. Agriculture, Ecosystems & Environment. 304:107125. 2020
- Variations in yield gaps of smallholder cocoa systems and the main determining factors along a climate gradient in Ghana. Agricultural Systems. 181:102812. 2020
- On-farm cocoa yields increase with canopy cover of shade trees in two agro-ecological zones in Ghana. Climate and Development. 11:435-445. 2019
- Innovation intermediation in a digital age: Comparing public and private new-ICT platforms for agricultural extension in Ghana. Njas-wageningen Journal of Life Sciences. 64-76. 2018
- Cocoa agroforestry is less resilient to suboptimal and extreme climate than cocoa in full sun: Reply to Norgrove (2017).. Global Change Biology. 24:E733-E735. 2018
- Characterization of cocoa production, income diversification and shade tree management along a climate gradient in Ghana.. PLOS ONE. 13. 2018
- Access to improved hybrid seeds in Ghana : implications for establishment and rehabilitation of cocoa farms. Experimental Agriculture. 54:273-285. 2018
- Cocoa agroforestry is less resilient to sub‐optimal and extreme climate than cocoa in full sun. Global Change Biology. 24:273-286. 2018
- Looking back and moving forward: 50 years of soil and soil fertility management research in sub-Saharan Africa. International Journal of Agricultural Sustainability. 15:613-631. 2017
- Influences of shading and fertilization on on-farm yields of cocoa in Ghana. Experimental Agriculture. 53:416-431. 2017
- Evaluating Farmers’ Knowledge of Shade Trees in Different Cocoa Agro-Ecological Zones in Ghana. Human Ecology. 45:321-332. 2017
- The impact of certification on the natural and financial capitals of Ghanaian cocoa farmers. Agroecology and Sustainable Food Systems. 41:143-166. 2017
- Tree diversity and canopy cover in cocoa systems in Ghana. New Forests. 47:287-302. 2016
- Climate-smart cocoa production: engaging with farmers and their supply chains in Ghana; Proceedings (Poster), of the Climate Change International Scientific Conference, Paris, 2015 2015
- Climate-smart intensification of West-Africa's cocoa systems: proceedings of the Global Science Conference, March 16-18, Le Corum, Montpellier France 2015
- Rapid Appraisal of Agricultural Innovation Systems (RAAIS) workshop: Ghana Action Site. CGIAR Research Program on Integrated Systems for the Humid Tropics 2015
- Cocoa agroforestry for increasing forest connectivity in a fragmented landscape in Ghana. Agroforestry Systems. 88:1143-1156. 2014
- Implementing guide for planting, replanting and tree diversification in cocoa systems - revision 2011 2011
- Implementing guide for planting, replanting and tree diversification in cocoa systems 2010
- Conservation and biodiversity in and around cocoa farms. Learning about sustainable cocoa production: a guide for participatory farmer training 2009
- Conservation and biodiversity in and around cocoa farms: learning about sustainable cocoa production, a guide for participatory farmer training 2009
-
document
- Assessing Climate Smart Agriculture and Its Determinants of Practice in Ghana: A Case of the Cocoa Production System 2018
- Assessing farmers' local knowledge of shade tree species in cocoa agroforestry 2015
- Evaluation of yield gap and production factors in cocoa systems along a climatic gradient in Ghana 2015
- Sustainable systems intensification: the Humidtropics approach in west Africa 2015
- Ghana: Agricultural R&D Indicators Factsheet 2014
- Good agricultural practices for sustainable cocoa production; a guide for farmer training: planting, replanting and tree diversification in cocoa systems 2011
- Shade trees in the cocoa landscapes: how Ghana can benefit 2011
- Cocoa seed multiplication: an assessment of seed gardens in Cameroon, Ghana and Nigeria. STCP Working Paper Series 2010
- Planting, replanting and tree diversification in cocoa systems; learning about sustainable cocoa production: a guide for participatory farmer training 2010
- A participatory approach for tree diversification in cocoa farms: Ghanaian farmers' experience 2008
- A participatory approach for tree diversification in cocoa farms: Ghanaian farmers' experience 2008