パラグアイにおける放牧牛のミネラル栄養 von 久米, 新一, 高橋, 潤一, 岡本, 明治, de Rojas, S.A.S, de Oka, R.B.B, Garay, G.M, Denis, F.S.C, Leonardi, S.I.R

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Mineral nutrition of grazing cattle in Paraguay von Kume, S. (Kyushu National Agricultural Experiment Station, Chikugo, Fukuoka (Japan)), Takahashi, J, Okamoto, M, de Rojas, S.A.S, de Oka, R.B.B, Garay, G.M, Denis, F.S.C, Leonardi, S.I.R

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