Spatial variability of physical attributes of black Indian soil under pasture (Brachiaria brizanta sp. L.) in Novo Aripuanã, Amazonas, Brazil. RSD [Internet]. 2020 Aug. 29 [cited 2025 Dec. 14];9(9):e514996794. Available from: https://www.rsdjournal.org/rsd/article/view/6794