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1Soil fertility and organic matter as critical components of production systems Soil fertility and organic matter as critical components of production systemsby Mortvedt, J.J. (ed.), Soil Science Society of America, Madison, WI (USA) eng, Buxton, D.R. (ed.), Mickelson, S.H. (ed.), American Society of Agronomy, Madison, WI (USA) eng
Published 1987Texto bibliotecaFAO IT -
2International Crop Science Congress (1992, Ames, Iowa). International crop science I International Crop Science Congress (1992, Ames, Iowa). International crop science Iby Buxton, D.R., Shibles, R.M., Forsberg, R.A., Blad, B.L., Asay, K.H., Paulsen, G.M., Wilson, R.F., Baenziger, P. Stephen, Mickelson, Serri H. (eds.)
Published 1993Texto bibliotecaCIAT -
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6by Buxton, D.R. (ed.), Crop Science Society of America, Madison, WI (USA) eng, International Crop Science Congress eng 14-22 Jul 1992 1 Ames, IA (USA), Shibles, R. (ed.), Forsberg, R.A. (ed.), Blad, B.L. (ed.), Asay, K.H. (ed.), Iowa State Univ., Ames (USA) eng
Published 1993Texto bibliotecaFAO IT