Study of the Performance Ratio of Irrigation Water Distribution Management at the Subak, Tempekan and rice field Levels in Subak DAS Ho, Tabanan Regency, Bali

Authors

  • Iszur Putra Wicaksono Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia
  • I Wayan Tika Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia
  • Yohanes Setiyo Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

DOI:

https://doi.org/10.24843/

Keywords:

Rasio Prestasi Manajemen (RPM), distribusi air irigasi, subak, tempekan, petakan sawah, Management Performance Ratio (MPR), water distribution, rice field plot

Abstract

The subak irrigation system in Bali is a cultural heritage that plays an important role in the sustainability of rice farming, but water distribution in the field often does not match crop needs. This study was used to assess distribution efficiency using the Ratio of Management Achievement (RPM) indicator. This research was conducted in Subak Suala, Sigaran, and Jegu in the Tukad Yeh Ho watershed, Tabanan Regency. Available discharge was measured directly in the field, while irrigation water requirement (KAI) was calculated from BMKG and NASA POWER data. The results showed that the average RPM value of each subak was 2.83, 3.05, and 2.15. At the tempekan level, the highest value was found in T1 Subak Jegu (5.57) and the lowest in T2 of the same subak (0.21). At the plot level, the highest value was found in P3 Subak Sigaran (16.63). All of these values are outside the ideal range (0.75-1.25), thus falling into the “Less” to “Very Less” category. This shows that water distribution is not efficient because it tends to be excessive, so technical and institutional evaluation of subak is needed to make water management more effective and sustainable.

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Published

2026-09-23

Issue

Vol. 14 No. 2 (2026): INPRESS

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Articles

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Copyright (c) 2026 Iszur Putra Wicaksono, I Wayan Tika, Yohanes Setiyo

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How to Cite

Study of the Performance Ratio of Irrigation Water Distribution Management at the Subak, Tempekan and rice field Levels in Subak DAS Ho, Tabanan Regency, Bali. (2026). Jurnal BETA (Biosistem Dan Teknik Pertanian), 14(2). https://doi.org/10.24843/

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