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Water Demand in Maize Is Projected to Decrease under Changing Climate in India

Author

Listed:
  • Santanu Kumar Bal

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Malamal Alickal Sarath Chandran

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Sandeep Vadakkemethel Madhavan

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Abburi Venkata Maruthi Subba Rao

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Narayanan Manikandan

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Ramagiri Praveen Kumar

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Pramod Valiyaparambil Parameswaran

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

  • Shiv Dev Attri

    (India Meteorological Department, Lodhi Road, New Delhi 110003, India)

  • Priyanka Singh

    (India Meteorological Department, Lodhi Road, New Delhi 110003, India)

  • Ashutosh Mohanty

    (Faculty of Science and Technology, Madhyanchal Professional University, R&D Cell, Ratibad, Bhopal 462044, Madhya Pradesh, India)

  • Vinod Kumar Singh

    (ICAR-Central Research Institute for Dryland Agriculture, Hyderabad 500059, India)

Abstract

Crop stage-specific information on the impacts of projected climate change on crop and irrigation water requirements are essential for improving productivity. This study investigated the possible implications of projected climate change on the phenology, effective rainfall (P eff ), crop (CWR) and irrigation water requirements (IWR) of maize in eight locations in India. CWR, P eff and IWR were estimated for seven crop stages viz., emergence, 5th leaf stage, tasseling, silking, milking, dough and maturity during the baseline (1980–2009) and near-century (2022–39) using climate data derived from a subset of 29 general circulation models. The results indicated that mean seasonal maximum temperature, minimum temperature and rainfall were projected to increase in all the locations. Hence, the total crop duration (3–7 days), CWR (8–69 mm) and IWR (1–54 mm) were projected to decrease. The study could identify the specific stages in which the greatest reduction in crop duration, CWR and IWR would occur. Such information will be of immense help to farmers and varietal improvement programs in the study regions in the near future.

Suggested Citation

  • Santanu Kumar Bal & Malamal Alickal Sarath Chandran & Sandeep Vadakkemethel Madhavan & Abburi Venkata Maruthi Subba Rao & Narayanan Manikandan & Ramagiri Praveen Kumar & Pramod Valiyaparambil Paramesw, 2022. "Water Demand in Maize Is Projected to Decrease under Changing Climate in India," Sustainability, MDPI, vol. 14(3), pages 1-16, January.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:3:p:1419-:d:734782
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    Citations

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    Cited by:

    1. Umesh, Barikara & Reddy, K.S. & Polisgowdar, B.S. & Maruthi, V. & Satishkumar, U. & Ayyanagoudar, M.S. & Rao, Sathyanarayan & Veeresh, H., 2022. "Assessment of climate change impact on maize (Zea mays L.) through aquacrop model in semi-arid alfisol of southern Telangana," Agricultural Water Management, Elsevier, vol. 274(C).

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