Anonymous], 1987, NITROGEN CYCLING TEM; Araújo ED, 2009, PESQUI AGROPECU BRAS, V44, P769, DOI 10.1590/S0100-204X2009000700018; Aves AC, 2011, REV BRAS CIENC SOLO, V35, P133, DOI 10.1590/S0100-06832011000100012; Barrie A., 1996, MASS SPECTROMETRY SO, P1; Bouwman AF, 2002, GLOBAL BIOGEOCHEM CY, V16, DOI 10.1029/2000GB001389; Cabezas ARL, 1999, COMMUN SOIL SCI PLAN, V30, P389, DOI 10.1080/00103629909370211; Cabrera ML, 2010, SOIL SCI SOC AM J, V74, P543, DOI 10.2136/sssaj2009.0220; CABRERA ML, 1991, SOIL BIOL BIOCHEM, V23, P1121, DOI 10.1016/0038-0717(91)90023-D; Cabrera ML, 2005, SOIL SCI SOC AM J, V69, P1525, DOI 10.2136/sssaj2004.0246; Calcino D. V., 1995, Proceedings of the 1995 Conference of the Australian Society of Sugar Cane Technologists held at Bundaberg, Queensland, Australia, 2nd May to 5th May 1995., P193; CAMPANA M., 2008, THESIS U ESTADUAL PA; Cantarella H, 2003, NUTR CYCL AGROECOSYS, V67, P215, DOI 10.1023/B:FRES.0000003600.20499.76; Cantarella H, 2008, SCI AGR, V65, P397, DOI 10.1590/S0103-90162008000400011; Costa MCG, 2003, REV BRAS CIENC SOLO, V27, P631, DOI 10.1590/S0100-06832003000400007; Freney J. R., 1994, Proceedings of the 1994 Conference of the Australian Society of Sugar Cane Technologists held at Townsville, Queensland, 26th April to 29th April 1994., P114; FRENEY JR, 1992, FERT RES, V31, P341, DOI 10.1007/BF01051285; Gee GW, 1986, METHODS SOIL ANAL, P383, DOI 10.2136/SSSAB00KSER5.1.2ED.C15; HAYSOM M.B., 1990, P AUSTR SOC SUGAR CA, V16, P79; KISSEL DE, 1977, SOIL SCI SOC AM J, V41, P1133, DOI 10.2136/sssaj1977.03615995004100060024x; Klose S, 2000, BIOL FERT SOILS, V31, P191, DOI 10.1007/s003740050645; LAEGREID M, 1999, AGR FERTILIZERS ENV; Lara W. A. R., 1990, Revista Brasileira de Ciencia do Solo, V14, P345; MARTIKAINEN PJ, 1985, SOIL BIOL BIOCHEM, V17, P363, DOI 10.1016/0038-0717(85)90074-4; NOMMIK H, 1973, PLANT SOIL, V39, P309, DOI 10.1007/BF00014798; PRAMMANEE P., 1989, P AUSTR SOC SUGAR CA, V11, P76; Prasertsak P, 2002, NUTR CYCL AGROECOSYS, V62, P229, DOI 10.1023/A:1021279309222; RECOUS S, 1990, SOIL BIOL BIOCHEM, V22, P913, DOI 10.1016/0038-0717(90)90129-N; Reis BF, 1997, J BRAZIL CHEM SOC, V8, P523, DOI 10.1590/S0103-50531997000500015; Rochette P, 2009, SOIL TILL RES, V103, P310, DOI 10.1016/j.still.2008.10.028; Soil Survey Staff, 2010, KEYS SOIL TAX; Sommer SG, 2004, ADV AGRON, V82, P557, DOI 10.1016/S0065-2113(03)82008-4; SOMMER SG, 1991, J ENVIRON QUAL, V20, P679, DOI 10.2134/jeq1991.00472425002000030029x; SOMMER SG, 1991, J AGR SCI, V117, P91, DOI 10.1017/S0021859600079016; Sommer SG, 1996, BIOL FERT SOILS, V21, P53, DOI 10.1007/BF00335993; SORENSEN P, 1991, ANAL CHIM ACTA, V252, P201, DOI 10.1016/0003-2670(91)87215-S; Van Raij B., 2001, ANAL QUIMICA AVALIAC