Affiliation: | 1. The United Graduate School of Agricultural Sciences,Iwate University,Morioka 020-8550,Japan 2. National Agricultural Research Center for Tohoku Region,Morioka 020-0198,Japan 3. Faculty of Science,Ibaraki University,Mito 310-8512,Japan 4. Department of Environmental Science and Health Management,Jessore Science and Technology University,Jessore 7400,Bangladesh |