^○Weidong Cao (Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, China)

^○Hideki Kanamaru (Food and Agriculture Organization of the United Nations, FAO Regional Office for Asia and the Pacific (FAORAP), Thailand)

^○Yoshihiro Hirooka¹, Simon K. Awala², Pamwenafye I. Nanhapo², Koichi Shoji³, Yoshinori Watanabe⁴, Yasuhiro Izumi⁵, Morio Iijima¹ (1.Graduate School of Agriculture, Kindai University, Japan, 2.Faculty of Agriculture and Natural Resources, University of Namibia, Namibia, 3.Graduate School of Agricultural Science, Kobe University, Japan, 4.Faculty of Agriculture, Fukushima University, Japan, 5.School of Environmental Science, The University of Shiga Prefecture, Japan)

^○Morio Iijima¹, Simon K. Awala², Pamwenafye I. Nanhapo², Yoshihiro Hirooka¹, Keotshephile Kashe³ (1.Graduate School of Agriculture, Kindai University, Japan, 2.Faculty of Agriculture and Natural Resources, University of Namibia, Namibia, 3.Okavango Research Institute, University of Botswana, Botswana)

^○Keotshephile Kashe¹, Simon K. Awala², Pamwenafye I. Nanhapo², Yoshihiro Hirooka³, Morio Iijima³ (1.Okavango Research Institute, University of Botswana, Botswana, 2.Faculty of Agriculture and Natural Resources, University of Namibia, Namibia, 3.Graduate School of Agriculture, Kindai University, Japan)

^○Syed Tahir Ata-Ul-Karim¹, Weimo Zhou¹, Naoki Moritsuka¹, Yoichiro Kato¹ (1.Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan, 2.Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan, 3.Graduate School of Integrated Arts and Sciences Agriculture, Kochi University, Japan, 4.Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan)