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Do Certification Schemes Enhance Coffee Yields and Household Income? Lessons Learned Across Continents

Jena, Pradyot Ranjan; Grote, Ulrike (Lausanne : Frontiers Media, 2022)

While the market for sustainably certified products grows, the debate on whether smallholder farmers benefit from this certification movement is far from over. We present empirical findings across three continents. Identical ...
Essays on livestock technology, diversification and welfare impact in sub–Saharan Africa

Weyori, Alirah Emmanuel (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

Die Tierproduktion bleibt ein kritischer Aspekt der ländlichen Lebensgrundlagen, die vor allem den Armen in den Entwicklungsländern unterschiedliche Zwecke erfüllen. Eine verbesserte Produktivität der Tiere hat somit das ...
Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for degassing processes and oxygen fugacities of basaltic systems

De Moor, J.M.; Fischer, T.P.; Sharp, Z.D.; King, P.L.; Wilke, M.; Botcharnikov, Roman E.; Cottrell, E.; Zelenski, M.; Marty, B.; Klimm, K.; Rivard, C.; Ayalew, D.; Ramirez, C.; Kelley, K.A. (Hoboken, NJ : Blackwell Publishing Ltd, 2013)

We investigate the relationship between sulfur and oxygen fugacity at Erta Ale and Masaya volcanoes. Oxygen fugacity was assessed utilizing Fe 3+/ΣFe and major element compositions measured in olivine-hosted melt inclusions ...
Thermal Tolerance of the Coffee Berry Borer Hypothenemus hampei: Predictions of Climate Change Impact on a Tropical Insect Pest

Jaramillo, Juliana; Chabi-Olaye, Adenirin; Kamonjo, Charles; Jaramillo, Alvaro; Vega, Fernando E.; Poehling, Hans-Michael; Borgemeister, Christian (San Francisco : Public Library Science, 2009-08-03)

Coffee is predicted to be severely affected by climate change. We determined the thermal tolerance of the coffee berry borer, Hypothenemus hampei, the most devastating pest of coffee worldwide, and make inferences on the ...

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