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Enhancing Food Security in an Era of Rising Fertilizer Prices: Evaluation of an Intervention Promoting Mungbean Adoption in Nepal

Author

Listed:
  • NARAYAN PRASAD KHANAL

    (International Maize and Wheat Improvement Center, Kathmandu, Nepal)

  • DYUTIMAN CHOUDHARY

    (International Maize and Wheat Improvement Center, Kathmandu, Nepal)

  • GANESH THAPA

    (Wisconsin Department of Natural Resources, Madison, WI, United States)

Abstract

The improved food security in Asia that has facilitated the region’s development progress depends on nitrogenous fertilizers. Rising prices and shortages of imported fertilizer have prompted countries to explore alternative sources of crop nitrogen, including diversification with legumes. We evaluate an intervention in Nepal that promoted mungbean adoption. Our doubly robust impact evaluation approach accounts for nonrandom patterns of adoption related to livestock rearing, participation in agricultural cooperatives and training, and greater irrigated land use. Adopters growing mungbean for the 2-year study period showed an average increase of 20 kilograms (kg) in their annual consumption of mungbean-based foods, applied almost 40kg per hectare (ha) less fertilizers to their rice crops, and obtained an additional 280kg in rice yield per ha. Hence, agricultural innovations that use legumes such as mungbean can help promote sustainable intensification of cereal-based production systems, while enhancing food security and reducing balance-of-payments issues for the countries dependent on fertilizer imports.

Suggested Citation

  • Narayan Prasad Khanal & Dyutiman Choudhary & Ganesh Thapa, 2025. "Enhancing Food Security in an Era of Rising Fertilizer Prices: Evaluation of an Intervention Promoting Mungbean Adoption in Nepal," Asian Development Review (ADR), World Scientific Publishing Co. Pte. Ltd., vol. 42(01), pages 179-207.
  • Handle: RePEc:wsi:adrxxx:v:42:y:2025:i:01:n:s0116110525500015
    DOI: 10.1142/S0116110525500015
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    More about this item

    Keywords

    adoption; food security; mungbean; rice; soil fertility;
    All these keywords.

    JEL classification:

    • Q01 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - Sustainable Development
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets

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