2011-2173 2011-2173 S2011-21732022000200013 10.17584/rcch.2022v16i2.14090 Brazil Brazil Brazil 00 05 2022 00 05 2022 16 2

2012 30 1 1 37-45 1992 46 1 1 269-78 AOAC, Asssociation of Official Analytical Chemists 2005 18th 2021 3 1 1 2016 44 3 3 403-11 2021 15 2 2 2010 32 4 4 643-9 2016 75 3 3 314-21 2019 18 3 3 CQFSRS, Comissão de Química e Fertilidade do Solo 2004 10th 2000 35 2 2 381-8 2014 3th 2021 113 4736-52 FAO 2019 2022 12 7-15 2006 39 231 231 2016 47 3 3 548-55 2020 33 2018 2014 49 11 11 882-90 2012 5th 2021 20 2 2 2018 5th 1879 232 461-5 2017 12 2 2 158-65