00871naa a2200193 a 450000100080000000500110000800800410001910000200006024501030008026000090018352003070019265000150049965000090051465300080052370000200053170000180055170000200056977300880058910266812006-01-09 2002 bl --- 0-- u #d1 aFERREIRA, J. A. aSorption Interactions between Imazaquin and a Humic Acid Extracted from a Typical Brazilian Oxisol c2002 aSoil sorption of most hydrophobic organic compounds (e.g., nonpolar pesticides) is directly related to soil organic matter (SOM) content. Humic substances are the major SOM components, containing carboxylic, phenolic, amine, quinone, and other functional groups, and specific structural configurations. apesticides asoil aSOM1 aMARTIN-NETO, L.1 aVAZ, C. M. P.1 aREGITANO, J. B. tJournal of Envirommental Quality, Madisongv.31, n.5, p.1665-1670, Sept./Oct. 2002.