The grassSyn dataset: soil organic carbon stocks in Brazilian grassy ecosystems - Andrade, Bianca Ott; Gamboa, Cristhian Hernandez; Ferreira, Gabriel William Dias; Wiesmeier, Martin; Assad, Eduardo Delgado; Cerri, Carlos Eduardo Pellegrino; Mello, José Márcio; Morais, Vinícius Augusto; Overbeck, Gerhard E; Pinto‐Junior, Herval Vieira; Scolforo, José Roberto Soares; Tornquist, Carlos Gustavo (Journal of Environmental Quality, 2024)