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Coupling landscape-scale diagnostics surveys, on-farm experiments, and simulation to identify entry points for sustainably closing rice yield gaps in Nepal

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  • Devkota, Krishna Prasad
  • Devkota, Mina
  • Paudel, Gokul Prasad
  • McDonald, Andrew James

Abstract

Rice is the primary staple food crop in Nepal, contributing 20% of the agricultural gross domestic product and more than 50% of the total calories in the national diet. Nevertheless, the productivity of rice (3.36 t ha−1) is the lowest in South Asia region.

Suggested Citation

  • Devkota, Krishna Prasad & Devkota, Mina & Paudel, Gokul Prasad & McDonald, Andrew James, 2021. "Coupling landscape-scale diagnostics surveys, on-farm experiments, and simulation to identify entry points for sustainably closing rice yield gaps in Nepal," Agricultural Systems, Elsevier, vol. 192(C).
    • Handle: RePEc:eee:agisys:v:192:y:2021:i:c:s0308521x21001359
    DOI: 10.1016/j.agsy.2021.103182
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    References listed on IDEAS

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    1. Cornish, Peter S. & Karmakar, Dinabandhu & Kumar, Ashok & Das, Sudipta & Croke, Barry, 2015. "Improving crop production for food security and improved livelihoods on the East India Plateau. I. Rainfall-related risks with rice and opportunities for improved cropping systems," Agricultural Systems, Elsevier, vol. 137(C), pages 166-179.
    2. Devkota, M. & Devkota, K.P. & Acharya, S. & McDonald, A.J., 2019. "Increasing profitability, yields and yield stability through sustainable crop establishment practices in the rice-wheat systems of Nepal," Agricultural Systems, Elsevier, vol. 173(C), pages 414-423.
    3. Rhebergen, Tiemen & Fairhurst, Thomas & Whitbread, Anthony & Giller, Ken E. & Zingore, Shamie, 2018. "Yield gap analysis and entry points for improving productivity on large oil palm plantations and smallholder farms in Ghana," Agricultural Systems, Elsevier, vol. 165(C), pages 14-25.
    4. Anton Urfels & Andrew J. McDonald & Timothy J. Krupnik & Pieter R. van Oel, 2020. "Drivers of groundwater utilization in water-limited rice production systems in Nepal," Water International, Taylor & Francis Journals, vol. 45(1), pages 39-59, January.
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    Cited by:

    1. Urfels, Anton & Mausch, Kai & Harris, Dave & McDonald, Andrew J. & Kishore, Avinash & Balwinder-Singh, & van Halsema, Gerardo & Struik, Paul C. & Craufurd, Peter & Foster, Timothy & Singh, Vartika & K, 2023. "Farm size limits agriculture's poverty reduction potential in Eastern India even with irrigation-led intensification," Agricultural Systems, Elsevier, vol. 207(C).
    2. Devkota, Mina & Devkota, Krishna Prasad & Paudel, Gokul Prasad & Krupnik, Timothy J. & McDonald, Andrew James, 2024. "Opportunities to close wheat yield gaps in Nepal's Terai: Insights from field surveys, on-farm experiments, and simulation modeling," Agricultural Systems, Elsevier, vol. 213(C).
    3. Wang, Hongzhang & Ren, Hao & Zhang, Lihua & Zhao, Yali & Liu, Yuee & He, Qijin & Li, Geng & Han, Kun & Zhang, Jiwang & Zhao, Bin & Ren, Baizhao & Liu, Peng, 2023. "A sustainable approach to narrowing the summer maize yield gap experienced by smallholders in the North China Plain," Agricultural Systems, Elsevier, vol. 204(C).
    4. Devkota, Mina & Devkota, Krishna Prasad & Kumar, Shiv, 2022. "Conservation agriculture improves agronomic, economic, and soil fertility indicators for a clay soil in a rainfed Mediterranean climate in Morocco," Agricultural Systems, Elsevier, vol. 201(C).
    5. Timsina, Jagadish & Dutta, Sudarshan & Devkota, Krishna Prasad & Chakraborty, Somsubhra & Neupane, Ram Krishna & Bishta, Sudarshan & Amgain, Lal Prasad & Singh, Vinod K. & Islam, Saiful & Majumdar, Ka, 2021. "Improved nutrient management in cereals using Nutrient Expert and machine learning tools: Productivity, profitability and nutrient use efficiency," Agricultural Systems, Elsevier, vol. 192(C).
    6. Liting Gao & Qianhui Gao & Marcin Lorenc, 2022. "Comparison of Total Factor Productivity of Rice in China and Japan," Sustainability, MDPI, vol. 14(12), pages 1-16, June.

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