|
2023 Journal Article Cocoa plantations are associated with deforestation in Côte d’Ivoire and GhanaKalischek, Nikolai, Lang, Nico, Renier, Cécile, Daudt, Rodrigo Caye, Addoah, Thomas, Thompson, William, Blaser-Hart, Wilma J., Garrett, Rachael, Schindler, Konrad and Wegner, Jan D. (2023). Cocoa plantations are associated with deforestation in Côte d’Ivoire and Ghana. Nature Food, 4 (5), 384-393. doi: 10.1038/s43016-023-00751-8 |
|
2021 Journal Article The effectiveness of cocoa agroforests depends on shade-tree canopy heightBlaser-Hart, W. J., Hart, S. P., Oppong, J., Kyereh, D., Yeboah, E. and Six, J. (2021). The effectiveness of cocoa agroforests depends on shade-tree canopy height. Agriculture, Ecosystems and Environment, 322 107676, 1-11. doi: 10.1016/j.agee.2021.107676 |
|
2018 Journal Article Climate-smart sustainable agriculture in low-to-intermediate shade agroforestsBlaser, W. J., Oppong, J., Hart, S. P., Landolt, J., Yeboah, E. and Six, J. (2018). Climate-smart sustainable agriculture in low-to-intermediate shade agroforests. Nature Sustainability, 1 (5), 234-239. doi: 10.1038/s41893-018-0062-8 |
|
2024 Journal Article Drivers of cocoa yield and growth in young monoculture and agroforestry systemsAriza-Salamanca, Antonio Jesús, Navarro-Cerrillo, Rafael Mª., Crozier, Jayne, Stirling, Clare, Mancini, Agnese, Blaser-Hart, Wilma and González-Moreno, Pablo (2024). Drivers of cocoa yield and growth in young monoculture and agroforestry systems. Agricultural Systems, 219 104044, 104044. doi: 10.1016/j.agsy.2024.104044 |
|
2024 Journal Article Mycorrhizal fungi-mediated uptake of tree-derived nutrients by crops –the role of tree-maintained versus crop-associated fungal myceliaDierks, Janina, Gamper, Hannes A., Blaser-Hart, Wilma J., Morales Kuan, Betsabe and Six, Johan (2024). Mycorrhizal fungi-mediated uptake of tree-derived nutrients by crops –the role of tree-maintained versus crop-associated fungal mycelia. Soil Biology and Biochemistry, 188 109243, 1-10. doi: 10.1016/j.soilbio.2023.109243 |
|
2023 Journal Article Smallholder farmer resilience to extreme weather events in a global food value chainThompson, William J., Varma, Varun, Joerin, Jonas, Bonilla-Duarte, Solhanlle, Bebber, Daniel P., Blaser-Hart, Wilma, Kopainsky, Birgit, Späth, Leonhard, Curcio, Bianca, Six, Johan and Krütli, Pius (2023). Smallholder farmer resilience to extreme weather events in a global food value chain. Climatic Change, 176 (11) 152. doi: 10.1007/s10584-023-03586-1 |
|
2022 Journal Article Can sustainability certification enhance the climate resilience of smallholder farmers? The case of Ghanaian cocoaThompson, W.J., Blaser-Hart, W.J., Joerin, J., Krütli, P., Dawoe, E., Kopainsky, B., Chavez, E., Garrett, R.D. and Six, J. (2022). Can sustainability certification enhance the climate resilience of smallholder farmers? The case of Ghanaian cocoa. Journal of Land Use Science, 17 (1), 407-428. doi: 10.1080/1747423x.2022.2097455 |
|
2021 Journal Article Mycorrhizal fungi-mediated uptake of tree-derived nitrogen by maize in smallholder farmsDierks, Janina, Blaser-Hart, Wilma J., Gamper, Hannes A. and Six, Johan (2021). Mycorrhizal fungi-mediated uptake of tree-derived nitrogen by maize in smallholder farms. Nature Sustainability, 5 (1), 64-70. doi: 10.1038/s41893-021-00791-7 |
|
2021 Journal Article Trees enhance abundance of arbuscular mycorrhizal fungi, soil structure, and nutrient retention in low-input maize cropping systemsDierks, Janina, Blaser-Hart, Wilma J., Gamper, Hannes A., Nyoka, Isaac Betserai, Barrios, Edmundo and Six, Johan (2021). Trees enhance abundance of arbuscular mycorrhizal fungi, soil structure, and nutrient retention in low-input maize cropping systems. Agriculture Ecosystems & Environment, 318 107487. doi: 10.1016/j.agee.2021.107487 |
|
2020 Journal Article Cocoa agroforestry systems versus monocultures: A multi-dimensional meta-analysisNiether, Wiebke, Jacobi, Johanna, Blaser, Wilma J., Andres, Christian and Armengot, Laura (2020). Cocoa agroforestry systems versus monocultures: A multi-dimensional meta-analysis. Environmental Research Letters, 15 (10) 104085, 104085. doi: 10.1088/1748-9326/abb053 |
|
2020 Journal Article Author Correction: Climate-smart sustainable agriculture in low-to-intermediate shade agroforestsBlaser, W. J., Oppong, J., Hart, S. P., Landolt, J., Yeboah, E. and Six, J. (2020). Author Correction: Climate-smart sustainable agriculture in low-to-intermediate shade agroforests. Nature Sustainability, 3 (9), 768-768. doi: 10.1038/s41893-020-0594-6 |
|
2020 Journal Article Soil fertility and Theobroma cacao growth and productivity under commonly intercropped shade-tree species in Sulawesi, IndonesiaWartenberg, Ariani C., Blaser, Wilma J., Roshetko, James M., Van Noordwijk, Meine and Six, Johan (2020). Soil fertility and Theobroma cacao growth and productivity under commonly intercropped shade-tree species in Sulawesi, Indonesia. Plant and Soil, 453 (1-2), 87-104. doi: 10.1007/s11104-018-03921-x |
|
2018 Journal Article Social network to inform and prevent the spread of cocoa swollen shoot virus disease in GhanaAndres, Christian, Hoerler, Raphael, Home, Robert, Joerin, Jonas, Dzahini-Obiatey, Henry K., Ameyaw, George A., Domfeh, Owusu, Blaser, Wilma J., Gattinger, Andreas, Offei, Samuel K. and Six, Johan (2018). Social network to inform and prevent the spread of cocoa swollen shoot virus disease in Ghana. Agronomy for Sustainable Development, 38 (5) 53. doi: 10.1007/s13593-018-0538-y |
|
2018 Journal Article Agroforestry systems can mitigate the severity of cocoa swollen shoot virus diseaseAndres, Christian, Blaser, Wilma J., Dzahini-Obiatey, Henry K., Ameyaw, George A., Domfelh, Owusu K., Awiagah, Moses A., Gattinger, Andreas, Schneider, Monika, Offei, Samuel K. and Six, Johan (2018). Agroforestry systems can mitigate the severity of cocoa swollen shoot virus disease. Agriculture Ecosystems and Environment, 252, 83-92. doi: 10.1016/j.agee.2017.09.031 |
|
2018 Journal Article Farmer perceptions of plant-soil interactions can affect adoption of sustainable management practices in cocoa agroforests: a case study from Southeast SulawesiWartenberg, Ariani C., Blaser, Wilma J., Janudianto, K. N., Roshetko, James M., van Noordwijk, Meine and Six, Johan (2018). Farmer perceptions of plant-soil interactions can affect adoption of sustainable management practices in cocoa agroforests: a case study from Southeast Sulawesi. Ecology and Society, 23 (1) 18. doi: 10.5751/ES-09921-230118 |
|
2017 Journal Article Does shade tree diversity increase soil fertility in cocoa plantations?Wartenberg, Ariani C., Blaser, Wilma J., Gattinger, Andreas, Roshetko, James M., Van Noordwijk, Meine and Six, Johan (2017). Does shade tree diversity increase soil fertility in cocoa plantations?. Agriculture, Ecosystems and Environment, 248, 190-199. doi: 10.1016/j.agee.2017.07.033 |
|
2017 Journal Article Combatting cocoa swollen shoot virus disease: what do we know?Andres, Christian, Gattinger, Andreas, Dzahini-Obiatey, Henry K., Blaser, Wilma J., Offei, Samuel K. and Six, Johan (2017). Combatting cocoa swollen shoot virus disease: what do we know?. Crop Protection, 98, 76-84. doi: 10.1016/j.cropro.2017.03.010 |
|
2017 Journal Article Shade trees have limited benefits for soil fertility in cocoa agroforestsBlaser, W. J., Oppong, J., Yeboah, E. and Six, J. (2017). Shade trees have limited benefits for soil fertility in cocoa agroforests. Agriculture Ecosystems and Environment, 243, 83-91. doi: 10.1016/j.agee.2017.04.007 |
|
2015 Journal Article Mixed fitness effects of grass endophytes modulate impact of enemy release and rapid evolution in an invasive grassVandegrift, Roo, Blaser, Wilma, Campos-Cerda, Felipe, Heneghan, Allison F., Carroll, George C. and Roy, Bitty A. (2015). Mixed fitness effects of grass endophytes modulate impact of enemy release and rapid evolution in an invasive grass. Biological Invasions, 17 (4), 1239-1251. doi: 10.1007/s10530-014-0791-1 |
|
2014 Journal Article Woody encroachment reduces nutrient limitation and promotes soil carbon sequestrationBlaser, Wilma J., Shanungu, Griffin K., Edwards, Peter J. and Venterink, Harry Olde (2014). Woody encroachment reduces nutrient limitation and promotes soil carbon sequestration. Ecology and Evolution, 4 (8), 1423-1438. doi: 10.1002/ece3.1024 |
