Drivers of groundwater utilization in water-limited rice production systems in Nepal

Anton Urfels*, Andrew J. McDonald, Timothy J. Krupnik, Pieter R. van Oel

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

Most rice farmers in Nepal’s Terai region do not fully utilize irrigation during breaks in monsoon rainfall. This leads to yield losses despite abundant groundwater resources and ongoing expansion of diesel pumps and tubewell infrastructure. We investigate this puzzle by characterizing delay factors governing tubewell irrigation across wealth and precipitation gradients. After the decision to irrigate, different factors delay irrigation by roughly one week. While more sustainable and inexpensive energy for pumping may eventually catalyze transformative change, we identify near-term interventions that may increase rice farmers’ resilience to water stress in smallholder-dominated farming communities based on prevailing types of irrigation infrastructure.

Original languageEnglish
Pages (from-to)39-59
Number of pages21
JournalWater International
Volume45
Issue number1
DOIs
Publication statusPublished - 3 Feb 2020

Keywords

  • decision processes
  • Eastern Gangetic Plains
  • Groundwater irrigation
  • Nepal
  • resilience
  • smallholders

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