02152naa a2200313 a 450000100080000000500110000800800410001902400540006010000170011424501800013126000090031152012000032065000190152065000110153965000140155065000100156465000270157465000120160165000090161365300160162265300220163865300200166070000210168070000200170170000190172170000150174070000150175577300680177021525752023-03-21       2023    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.1016/j.jsames.2022.1041772DOI1 aBICCA, J. M.  aClay stabilization and recovery of soil functions of a degraded solodic planosol through incorporation of agromineralsbA case study in southern Brazil.h[electronic resource]  c2023  aThis paper describes the performance of addition rates of basaltic breccia and agricultural gypsum on clay stabilization and nutrients release of a solodic Planosol from a degraded borrow area located in Southern Brazil. A leaching experiment was carried out in PVC cylinders filled with 1.5 kg of soil (C horizon), in which two chemical amendments were added in three different proportions: a) basaltic breccia in 7, 14 and 21 Mg ha?1 doses; b) agricultural gypsum in 7, 14 and 21 Mg ha?1 doses; and c) a standard soil, without chemical correction. Distilled water (300 mL) were added every 7 days for 20 weeks and the pH, electrical conductivity, calcium, magnesium, sodium and potassium contents and the water-dispersible clay were analyzed in the collected leachates. Gypsum was more efficient than basaltic breccia to promote clay flocculation, even at the lower rate (7 Mg ha?1). The application of basaltic breccia up to 21 Mg ha?1 reduced the amount of nutrients released directly to the soil solution, reducing soil leaching. The application of basaltic breccia at the dosage of 7 Mg ha?1 was able to reduce more than 65% of the water-dispersive clay from the degraded solodic Planosol.  aBasaltic soils  aGypsum  aCorretivo  aGesso  aMatéria Prima Mineral  aMineral  aSolo  aAgromineral  aBrecha basáltica  aGesso agrícola1 aARDUIN, R. L. N.1 aPINTO, L. F. S.1 aBAMBERG, A. L.1 aMIGUEL, P.1 aSTUMPF, L.  tJournal of South American Earth Sciencesgv. 122, 104177, 2023.