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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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2013 Journal Article Facilitative or competitive effects of woody plants on understorey vegetation depend on N-fixation, canopy shape and rainfallBlaser, Wilma J., Sitters, Judith, Hart, Simon P., Edwards, Peter J. and Venterink, Harry Olde (2013). Facilitative or competitive effects of woody plants on understorey vegetation depend on N-fixation, canopy shape and rainfall. Journal of Ecology, 101 (6), 1598-1603. doi: 10.1111/1365-2745.12142 |
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2011 Journal Article Population regulation by enemies of the grass Brachypodium sylvaticum: demography in native and invaded rangesRoy, Bitty A., Coulson, Tim, Blaser, Wilma, Policha, Tobias, Stewart, Julie L., Blaisdell, G. Kai and Guesewell, Sabine (2011). Population regulation by enemies of the grass Brachypodium sylvaticum: demography in native and invaded ranges. Ecology, 92 (3), 665-675. doi: 10.1890/09-2006.1 |
