Effects of biochar amendment on photosynthesis of oaks in a warm-temperate climate, Japan

Yumina Tanazawa1, Mitsutoshi Tomotsune2, Takeshi Suzuki3, Hiroshi Koizumi2 and Shinpei Yoshitake2, (1)Waseda University, Faculty of Science and Engineering, Tokyo, Japan, (2)Waseda University, Faculty of Education and Integrated Arts and Sciences, Tokyo, Japan, (3)Kobe University, Graduate School of Agricultural Science, Kobe, Japan