Achuba FI, 2008, INT AGROPHYS, V22, P1; Adesodun JK, 2008, BIORESOURCE TECHNOL, V99, P3195, DOI 10.1016/j.biortech.2007.05.048; Anonymous], 2003, TECNICAS ANALISIS PA; Bakshi M., 2011, SOIL BIOL SOIL ENZYM, P11; BURNS RG, 1982, SOIL BIOL BIOCHEM, V14, P423, DOI 10.1016/0038-0717(82)90099-2; Burns RG, 2013, SOIL BIOL BIOCHEM, V58, P216, DOI 10.1016/j.soilbio.2012.11.009; Caldwell BA, 2005, PEDOBIOLOGIA, V49, P637, DOI 10.1016/j.pedobi.2005.06.003; Chaudhary P, 2012, ENVIRON MONIT ASSESS, V184, P1145, DOI 10.1007/s10661-011-2029-3; Clark F. E., 1965, METHODS SOIL ANAL 2, P1461; DeForest JL, 2012, BIOGEOCHEMISTRY, V109, P189, DOI 10.1007/s10533-011-9619-6; Diario Oficial de la Federacion (DOF), 2006, DIARIO OFICIAL FEDER; DOF-Diario Oficial de la Federacion, 2015, DIARIO OFICIAL FEDER; García-Ruiz R, 2008, SOIL BIOL BIOCHEM, V40, P2137, DOI 10.1016/j.soilbio.2008.03.023; García-Torres R, 2011, REV INT CONTAM AMBIE, V27, P31; Geisseler D, 2011, PEDOBIOLOGIA, V54, P71, DOI 10.1016/j.pedobi.2010.10.001; Gianfreda L, 2006, SOIL BIOL, V8; GuEmez, 2008, NOVA-BOGOTA, V6, P76, DOI 10.22490/24629448.398; INAFED, 2013, ENC MUN DEL MEX; Instituto Nacional de Estadistica Geografia e Informatica (INEGI), 1998, AN NIV NAC PROD CAN; JOHNSON JOHN L., 1964, SOIL SCI SOC AMER PROC, V28, P207; Karaca A., 2011, SOIL ENZYMOLOGY, P125; Lee SH, 2008, BIORESOURCE TECHNOL, V99, P2578, DOI 10.1016/j.biortech.2007.04.039; Margesin R, 2000, CHEMOSPHERE, V40, P339, DOI 10.1016/S0045-6535(99)00218-0; Margesin R, 2000, ACTA BIOTECHNOL, V20, P313, DOI 10.1002/abio.370200312; Mason B., 1992, EPA600R92112869; Megharaj M, 2011, ENVIRON INT, V37, P1362, DOI 10.1016/j.envint.2011.06.003; Montejo M. M., 2008, 1 C BIOT AMB; Mu┬u┬oz-Iniestra DJ., 2000, MANUAL METODOS ANALI; Nannipieri P., 2002, ENZYMES ENV ACTIVITY, P7; Ordaz JA., 2011, MULTICIENCIAS, V11, P136; Paetz A., 2005, MANUAL SOIL ANAL MON, P37; Paolini J. E., 2003, VENESUELOS, V11, P39; Parkinson D., 1971, I B P HDB, V19; Pascual JA, 2002, BIORESOURCE TECHNOL, V82, P73, DOI 10.1016/S0960-8524(01)00127-4; Petroleos Mexicanos (PEMEX), 2006, INF DES SUST 2006; Preston T. R., 1990, LIVESTOCK RES RURAL; Ros M, 2010, BIORESOURCE TECHNOL, V101, P6916, DOI 10.1016/j.biortech.2010.03.126; Sánchez Hernández Rufo, 2005, INCI, V30, P775; Sarapatka B., 2003, THESIS; Shahsavari E, 2013, SCI TOTAL ENVIRON, V443, P766, DOI 10.1016/j.scitotenv.2012.11.029; Singh A, 2009, ADV APPL BIOREMEDIAT; Singh A, 2013, EUR J SOIL BIOL, V54, P56, DOI 10.1016/j.ejsobi.2012.10.003; SKUJINS JJ, 1962, ENZYMOLOGIA, V25, P125; SYLVIA M, 1999, PRINCIPLES APPL SOIL; TABATABAI M. A., 1969, Soil Biology and Biochemistry, V1, P301, DOI 10.1016/0038-0717(69)90012-1; Tabatabai M. A., 2011, SSSA BOOK SERIES, V9, P163; USEPA, 2002, 3570 USEPA; Wyszkowska J, 2006, POL J ENVIRON STUD, V15, P501; Wyszkowska J, 2002, ROST VYROBA, V48, P58