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Adoption Trend of Climate-Resilient Rice Varieties in Bangladesh

Author

Listed:
  • Swati Nayak

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Muhammad Ashraful Habib

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Kuntal Das

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Saidul Islam

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Sk Mosharaf Hossain

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Biswajit Karmakar

    (Bangladesh Rice Research Institute, Joydebpur, Gazipur 1701, Bangladesh)

  • Roberto Fritsche Neto

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Sankalp Bhosale

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Hans Bhardwaj

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Sudhanshu Singh

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Mohammad Rafiqul Islam

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Vikas Kumar Singh

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Ajay Kohli

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Uma S. Singh

    (International Rice Research Institute, Los Baños 4031, Laguna, Philippines)

  • Lutful Hassan

    (Bangladesh Agricultural University, Mymensingh 2202, Bangladesh)

Abstract

Rice is a major crop in Bangladesh that supports both food security and livelihoods. However, a need remains for improved productivity and adaptation to the risks associated with climate change. To accomplish this, the increased adoption of climate-resilient and high-yielding rice varieties can be beneficial. Therefore, we conducted a study in Bangladesh over three consecutive years: 2016, 2017, and 2018. The scope of the study included the major cropping season (wet), Aman. The yield advantages of climate-resilient rice varieties were evaluated and compared with those of the varieties popular with farmers. We included new stress-tolerant varieties, such as submergence-tolerant rice (BRRI dhan51 and BRRI dhan52) and drought-tolerant rice (BRRI dhan56 and BRRI dhan71), along with farmer-chosen controls, in the study. We conducted the evaluation through on-farm trials to compare the varieties in both submergence- and drought-affected environments. The seasonal trials provided measured results of yield advantages. The participating farmers were also studied over the three-year-period to capture their varietal adoption rates. We calculated both the location estimated yield advantages (LEYA) and the location observed yield advantages (LOYA). The results revealed that, under non-stress conditions, the grain yields of climate-resilient varieties were either statistically similar to or higher than those of the farmer-chosen controls. Our study also revealed a year-to-year progressive adoption rate for the introduced varieties. The study suggests that the wide-scale introduction and popularization of climate-resilient varieties can ensure higher productivity and climate risk adaptation. The close similarity between LOYA and LEYA indicated that the observational and experiential conclusions of the host farmers were similar to the scientific performance of the varieties. We also found that comparison performed through on-farm trials was a critical method for enhancing experiential learning and obtaining an accurate estimation of yield advantages.

Suggested Citation

  • Swati Nayak & Muhammad Ashraful Habib & Kuntal Das & Saidul Islam & Sk Mosharaf Hossain & Biswajit Karmakar & Roberto Fritsche Neto & Sankalp Bhosale & Hans Bhardwaj & Sudhanshu Singh & Mohammad Rafiq, 2022. "Adoption Trend of Climate-Resilient Rice Varieties in Bangladesh," Sustainability, MDPI, vol. 14(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5156-:d:801428
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    References listed on IDEAS

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    4. Mottaleb, Khondoker Abdul & Gumma, Murali K. & Mishra, Ashok K. & Mohanty, Samarendu, 2015. "Quantifying production losses due to drought and submergence of rainfed rice at the household level using remotely sensed MODIS data," Agricultural Systems, Elsevier, vol. 137(C), pages 227-235.
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