School Tenente Rego Barros;
Belé
m;
Brazil;
College of Chemistry;
Institute of Exact and Natural Sciences;
Federal University of Pará
Belé
m;
Brazil;
Soil and Plant Laboratory;
Brazilian Agricultural Research Corporation;
Belé
m;
Brazil;
Coordination of Earth Sciences and Ecology;
Emílio Goeldi Museum of Pará
Belé
m;
Brazil;
Pyrogenic Carbon; Oxidable Carbon; Phosphorus; Micronutrients; Soil Organic Matter;