Sewage sludge biochar-based fertilizer enriched with K-bearing silicate agrominerals and oxalic acid: physicochemical characterization and carbon stability (opens in new tab)

Publication date: 15 June 2026Source: Journal of Environmental Management, Volume 410Author(s): Marcela Granato Barbosa dos Santos, José Ferreira Lustosa Filho, Camila Rodrigues Costa, Beatriz Carvalho Lima, Maíra Lopes D'Ávila, Sérgio Sirilo de Oliveira, Gilberto de Oliveira Mendes, Éder de Souza Martins, Giuliano Marchi, Cícero Célio de Figueiredo