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Beretta, A., Bassahun, D., Musselli, R. and 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 (Dec. 2015), 68- 74.