Soil Science Department;
Luiz de Queiroz College of Agriculture;
University of São Paulo;
Piracicaba;
São Paulo 13418-900(Brazil;
Karlsruhe Institute of Technology;
Institute of Meteorology and Climate Research;
Atmospheric Environmental Research(IMK-IFU);
Garmisch-Partenkirchen 82467;
Germany;
Brazilian Agricultural Research Corporation(Embrapa Meio-Norte);
Teresina;
Piauí70770-901;
Brazil;
carbon dioxide; clay soil; greenhouse gas emission; Miscanthus biochar; sandy soil; tropical soil;