1. Department of Agroecology, Faculty of Science and Technology, Aarhus University, Tjele, Denmark
2. Forest and Horticultural Crops Research Centre, School of Agriculture, University of Ghana, Accra, Ghana
3. Agronomy and Plant Breeding Department, Lorestan University, Lorestan, Iran
4. Agricultural Engineering Department, School of Engineering Sciences, University of Ghana, Accra, Ghana
5. School of Engineering and Technology, Central University, Accra, Ghana