About CHENG Weiguo
About Yamagata Univ., Tsuruoka, JPN
About PADRE Agnes T.
About International Rice Res. Inst. (IRRI), Metro Manila, PHL
About SATO Chizuru
About Yamagata Univ., Tsuruoka, JPN
About SHIONO Hiroyuki
About Yamagata Integrated Agricultural Res. Center, Yamagata, JPN
About HATTORI Satoshi
About Yamagata Univ., Tsuruoka, JPN
About KAJIHARA Akihiko
About Yamagata Univ., Tsuruoka, JPN
About AOYAMA Masakazu
About Hirosaki Univ., Hirosaki, JPN
About TAWARAYA Keitaro
About Yamagata Univ., Tsuruoka, JPN
About KUMAGAI Katsumi
About Yamagata Integrated Agricultural Res. Center, Yamagata, JPN
About Soil Science and Plant Nutrition
About fertilizer
About organic substance
About soil organic matter
About paddy field
About Oryza sativa
About soil nitrogen
About paddy soil
About microbial mineralization
About Yamagata prefecture
About carbon dioxide
About greenhouse effect gas
About ammonia nitrogen
About soil organic carbon
About rice straw
About compost
About decomposition reaction
About test
About experiment
About nitrogen mineralization
About organic matter decomposition
About long term testing
About alkane
About ammonium nitrogen
About long term experiment
About inorganic fertilizer
About Soil organisms
About Fertilizer application and efficiency
About Rice cropping
About Methane
About 無機肥料
About 有機物
About 水田
About 土壌
About 含量
About 分解
About 無機化
About ポテンシャル