1. Integrated Soil and Crop Management Research Unit, Laboratory of Soil Sciences, Crop Sciences School, Faculty of Agronomic Sciences, University of Abomey-Calavi, Abomey-Calavi, Benin
2. Agricultural Research Centre (CRA) of Agonkanmey, National Agricultural Research Institute of Benin (INRAB), Cotonou, Benin
3. Laboratory of Research in Applied Biology, Department of Environmental Engineering, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Abomey-Calavi, Benin.
4. Laboratory of Soil Science, Water and Environment (LSSEE), Agricultural Research Centre (CRA) of Agonkanmey, National Agricultural Research Institute of Benin (INRAB), Cotonou, Benin
5. Laboratory of Soil Science, Faculty of Agronomic Sciences, University of Abomey-Calavi, Abomey-Calavi, Benin