Raw data: Soil buffering capacity controls the efficacy of contrasting acidity-correction pathways in two Oxisols cropped with soybean and Megathyrsus maximus

Pot experiment (greenhouse, UFGD, Dourados/MS, Brazil, 2024-2025) comparing eight soil acidity-correction treatments (Control, Sat50, Sat70, Eq5016, Eq6020, Mar033, Mar067, Mar100) in two contrasting Oxisols (LVd, LVdf), cropped with soybean (Glycine max) and Megathyrsus maximus (syn. Panicum maximum). This dataset contains the raw data on post-incubation soil chemistry, soybean and Megathyrsus maximus production/biomass, and foliar analysis of 19 elements in both crops. Full details on the experimental design, treatments, and analytical methods are described in the associated manuscript and in the README.txt file included in this deposit.