Performance of the Watermark® granular matrix sensor in sandy soils

Suat Irmak, Dorota Z. Haman

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


The performance of the Watermark granular matrix sensor in sandy soils was evaluated. The Watermark grnaular matrix sensor (GMS) was an inexpensive technique and provided a continuous and indirect measurement of soil matric potential (SMP). The performance of calibration equations was compared to the mercury manometer-tensiometer measured SMP. Results showed that the GMS was used to estimate SMP from sensor resistance at potentials lower than -10 kPa and -11.5 kPa SMP in Dothan and Astatula sandy soils by using the calibration equations developed in the study.

Original languageEnglish (US)
Pages (from-to)787-795
Number of pages9
JournalApplied Engineering in Agriculture
Issue number6
StatePublished - Nov 2001

All Science Journal Classification (ASJC) codes

  • Engineering(all)


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