1. Civil Engineering Department Kano University of Science & Technology, Wudil Kano Nigeria
2. CTAC, Universidade do Minho Guimarães Portugal
3. Instituto Politécnico de Coimbra, Escola Superior Agrária, Coimbra & LEAF ‐ Landscape, Environment, Agriculture and Food, Institute of Agronomy University of Lisbon Lisbon Portugal
4. Departamento de Engenharia Civil Universidade do Minho, Campus de Gualtar Braga Portugal
5. Bayer CropScience, Environmental Safety North America St. Louis Missouri USA
6. Department of Geography Bayero University Kano Nigeria
7. Departamento de Engenharia Rural Universidade Lúrio Unango‐Niassa Mozambique