Potato Research

, Volume 48, Issue 1–2, pp 49–58 | Cite as

Crop water stress index for potato under furrow and drip irrigation systems

  • Tolga Erdem
  • A. Halim Orta
  • Yeşim Erdem
  • Hakan Okursoy
Full Papers

Summary

This study was conducted to determine the crop water stress index (CWSI) for potato (Solanum tuberosum L.) grown under furrow and drip irrigation methods and subjected to three different irrigation levels (100, 50 and 0% replenishment of soil water depleted). The lower (non-stressed) and upper (stressed) baselines were determined empirically from measurements of canopy temperatures, ambient air temperatures and vapor pressure deficit values. Tuber yield decreased when mean CWSI prior to irrigation exceeded 0.68 in furrow and 0.81 in drip irrigation. The tuber yield was directly correlated with the seasonal CWSI values and the linear equations for furrow and drip irrigation methods, Y = −45.82 CWSI + 50.69 and Y = −52.65 CWSI + 58.44, respectively, can be used for yield prediction.

Additional keywords

potato crop water stress index (CWSI) furrow irrigation drip irrigation 

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Copyright information

© Kluwer Academic Publishers 2005

Authors and Affiliations

  • Tolga Erdem
    • 1
  • A. Halim Orta
    • 1
  • Yeşim Erdem
    • 1
  • Hakan Okursoy
    • 1
  1. 1.Faculty of Tekirdag Agriculture, Department of Farm Structures and IrrigationUniversity of TrakyaTekirdagTurkey

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