Carbon and nitrogen in particle-size fractions of organic matter of soils fertilised with surface and injected applications of pig slurry - Francisco, Cremildo António Luís; Loss, Arcângelo; Brunetto, Gustavo; Gonzatto, Rogério; Giacomini, Sandro José; Aita, Celso; Piccolo, Marisa de Cassia; Torres, José Luiz Rodrigues; Marchezan, Carina; Scopel, Gustavo; Vidal, Ricardo Fagan (Frontiers in Plant Science, 2021)