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齊藤 奏枝, 松野 更和, 平井 英明, 加藤 秀正, 前田 忠信. "アロフェン質黒ボク土水田における有効態リン酸の周年変動と牛ふん堆肥連用の効果(日本土壌肥料学雑誌論文賞,2009年度京都大会)." Abstracts of the Annual Meetings, Japanese Society of Soil Science and Plant Nutrition 55.0 (2009) 240