Soil physicochemical properties of a grassland receiving long-term applications of anaerobically digested cattle slurry, farmyard manure, or chemical fertilizer : Concentrations of soil available phosphorus (P) and exchangeable cations (K, Ca, Mg) in sixth-year measurements
消化液・堆肥・化学肥料の長期連用草地における土壌物理化学性 : 開始6年目までの土壌有効態リンと交換性陽イオン濃度
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