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1Texto bibliotecaUBA FA
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11by Hatfield, J. L., Stewart, Bobby A., National Soil Tilth Laboratory, Workshop on Long - Term Soil Management 1991:
Published c199Texto bibliotecaUBA FA -
12by Roose, Eric (ed.), Lal, Rattan (ed.), Feller, Christian (ed.), Barthès, Bernard (ed.), Stewart, Bobby A. (ed.)conference_item bibliotecaCIRAD FR
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13by Eswaran Hari editor, Rice, Thomas editor/a, Ahrens, Robert J. editor/a, Stewart, Bobby A. editor/a
Published 2003Texto bibliotecaECOSUR -
14by Stewart, Bobby A., Anderson, D. W., Bresler, Eshel, Frye, Wilbur W., Metzger, L., Smith, M. Scott, Varco, Jac J., Venkateswarlu, J., Yaron, B.
Published c198Texto bibliotecaUBA FA -
15by Stewart, Bobby A., Bertrand, Anson R., Day, J. C., Gibbs, R. J., Huang, P. M., Meyer, R. E., Murthy, A. S. P., Papendick, R. I., Reid, J. B., Steiner, J. L.
Published c198Texto bibliotecaUBA FA