Soil carbon sequestration in agricultural areas: Evaluation of C content and features of soil organic matter by laser photonic techniques - Bento, Lucas Raimundo; Oliveira, Patrícia P. A; Pezzopane, José Ricardo Macedo; Bernardi, Alberto Carlos de Campos; Magalhães, Aida Bebeachibuli; Milori, Debora Marcondes Bastos Pereira; Martin-Neto, Ladislau (Reunião Anual da Sociedade Brasileira de Quimica - RASBQ, 2022)