Beretta, A., Bassahun, D., Musselli, R., & Torres, D. (2015). Soil pH Measurement with Reactive Paper Test Agrociencia Uruguay - Volumen 19 2:68-74 - julio/diciembre 2015 The pH test papers (strips) may be useful for measuring soil pH. The pH values for. Agrociencia Uruguay, 19(2), 68–74. https://doi.org/10.31285/AGRO.19.303