Jean-Martial Johnson
INRES - Pflanzenernährung
Karlrobert-Kreiten-Strasse 13
D-53115 Bonn
j.johnson@uni-bonn.de
+49 228 73-2924
Forschungsschwerpunkt
Agronomy; Plant nutrition; Soil fertility; Water management; Yield gap analysis
Akademische Ausbildung
seit 2017
PhD candidate in Agriculture and Climate Change, University of Bonn, Germany
2009-2010
MSc in Natural Resource Management, University of Abomey-Calavi, Benin
2003-2008
Agricultural engineer degree in Crop and Soil Science, University of Abomey-Calavi, Benin
Wissenschaftlicher Werdegang
seit 2023
Research assistant at the Department of Crop Science and Resource Conservation, University of Bonn, Germany
2021-2022
Data-driven Agronomy Consultant, Africa Rice Center, Bouaké, Côte d’Ivoire
2018-2020
Research Associate, Institut de l'Environnement et de Recherches Agricoles, Bobo-Dioulasso, Burkina Faso
2012-2017
Research assistant & Soil laboratory manager, Africa Rice Center, Bouaké, Côte d’Ivoire
Ausgewählte Publikationen
Johnson J.-M., Becker M., Dossou-Yovo E.R., Saito K. (2023) Farmers’ perception and management of water scarcity in irrigated rice-based systems in dry climatic zones of West Africa. Agron Sustain Dev 43:32. https://doi.org/10.1007/s13593-023-00878-9
Johnson J.-M., Ibrahim A., Dossou-Yovo E.R., et al. (2023) Inorganic fertilizer use and its association with rice yield gaps in sub-Saharan Africa. Glob Food Secur 38:100708. https://doi.org/10.1016/j.gfs.2023.100708
Rakotoson T., Senthilkumar K., Johnson J.-M., et al. (2023) Estimating nutrient concentrations and uptake in rice grain in sub-Saharan Africa using linear mixed-effects regression. Field Crops Research 299:108987. https://doi.org/10.1016/j.fcr.2023.108987
Djagba J.F., Johnson J.-M., Saito K. (2022) Can soil fertility properties in rice fields in sub-Saharan Africa be predicted by digital soil information? A case study of AfSoilGrids250m. Geoderma Regional 30:e00563. https://doi.org/10.1016/j.geodrs.2022.e00563
Johnson J.-M., Sila A., Senthilkumar K., et al. (2021) Application of infrared spectroscopy for estimation of concentrations of macro- and micronutrients in rice in sub-Saharan Africa. Field Crops Research 270:108222. https://doi.org/10.1016/j.fcr.2021.108222
Rodenburg J., Johnson J.-M., Dieng I., et al. (2019) Status quo of chemical weed control in rice in sub-Saharan Africa. Food Sec 11:69–92. https://doi.org/10.1007/s12571-018-0878-0
Johnson J.-M., Vandamme E., Senthilkumar K., et al. (2019) Near-infrared, mid-infrared or combined diffuse reflectance spectroscopy for assessing soil fertility in rice fields in sub-Saharan Africa. Geoderma 354:113840. https://doi.org/10.1016/j.geoderma.2019.06.043