Youcef, F., Kairouani , D., Boukarkar , F. and Hamdi Aïssa , B. 2023. Comparison between two gypsum content determination methods applied to the study of soils in arid regions. Journal of Agriculture and Applied Biology. 4, 2 (Dec. 2023), 182-190. DOI:https://doi.org/10.11594/jaab.04.02.08.