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1Predicting tillage effects on soil physical properties and processes : Proceedings of a symposium. Predicting tillage effects on soil physical properties and processes : Proceedings of a symposium.by Unger, Paul W. 40889, autor. aut, American Society of Agronomy 40890., Soil Science Society of America 40891.
Published 1982Texto bibliotecaFEDEPALMA -
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