About YOSHIZAWA Shuji
About Meisei Univ., Tokyo, JPN
About TANAKA Satoko
About Meisei Univ., Tokyo, JPN
About OHATA Michio
About Meisei Univ., Tokyo, JPN
About MINEKI Shigeru
About Tokyo Univ. Sci., Chiba, JPN
About GOTO Sumio
About National Inst. for Environmental Studies, Ibaraki, JPN
About FUJIOKA Kenji
About Venture Viser Inc., Tokyo, JPN
About KOKUBUN Toshie
About Kokubun Farm Inc., Fukushima, JPN
About compost
About Fertilizer preparation and reservation
About Refuse treatment
About 堆肥
About 微生物
About 増殖
About 木炭
About 促進