Ammonium acetate extraction for soil heavy metal speciation; model aided soil test interpretation text Ind Bibl.: p. 64 Repr. from: Intern. J. Envir. Anal. Chem., Vol. 51, 1992: p. 59-6 CASTILHO, P. Del ACETATES AMMONIUM SOIL FERTILITY 631.413 INLIS000000000004153 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)