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An Analysis of Water Use Efficiency of Staple Grain Productions in China: Based on the Crop Water Footprints at Provincial Level

Author

Listed:
  • Aizhi Yu

    (School of Economics, Central University of Finance and Economics, Shahe Higher Education Park, Changping District, Beijing 102206, China)

  • Entai Cai

    (School of Economics, Central University of Finance and Economics, Shahe Higher Education Park, Changping District, Beijing 102206, China)

  • Min Yang

    (School of Economics, Central University of Finance and Economics, Shahe Higher Education Park, Changping District, Beijing 102206, China)

  • Zhishan Li

    (Ministry of Foreign Affairs of the People’s Republic of China, No. 2, Chaoyangmen Nandajie, Chaoyang District, Beijing 100701, China)

Abstract

This article analyzed the water use efficiency of China’s staple grain productions (maize, rice, and wheat). This research calculated the water footprints of crop production using the CROPWAT model based on reported water use in 2000 and during 2015–2019, and both green and blue water footprints were calculated. The results showed that compared to 2000 water use efficiency of crop production for maize, rice and wheat during 2015–2019 were increased by about 12.4%, 10.8%, and 2.5% respectively. The current spatial structure of the stable grain industry that makes up grain production regions are concentrated in northern China, then grains are distributed across China (North-to-South Grain Transportation). This has advantages in the increase of agricultural water productivity. This research indicated that agricultural policies should further consider an advance of regional grain production, along with the optimization of transportation channels for stable grains to increase irrigation water use efficiency. The establishment of staple grain production in designated areas not only ensures China’s food security, but also promotes the sustainable use of irrigation water resources.

Suggested Citation

  • Aizhi Yu & Entai Cai & Min Yang & Zhishan Li, 2022. "An Analysis of Water Use Efficiency of Staple Grain Productions in China: Based on the Crop Water Footprints at Provincial Level," Sustainability, MDPI, vol. 14(11), pages 1-23, May.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:11:p:6682-:d:827722
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    References listed on IDEAS

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    5. Xinchun Cao & Pute Wu & Yubao Wang & Xining Zhao, 2014. "Water Footprint of Grain Product in Irrigated Farmland of China," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(8), pages 2213-2227, June.
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    Cited by:

    1. Hexiong Zhang & Yun Qin & Jinlong Xu & Wenqin Ren, 2023. "Analysis of the Evolution Characteristics and Impact Factors of Green Production Efficiency of Grain in China," Land, MDPI, vol. 12(4), pages 1-14, April.
    2. Fan Liu & Xiangtao Jiang & Zhenyu Wu, 2023. "Attention Mechanism-Combined LSTM for Grain Yield Prediction in China Using Multi-Source Satellite Imagery," Sustainability, MDPI, vol. 15(12), pages 1-20, June.
    3. Zhengxiao Yan & Wei Zhou & Yuyi Wang & Xi Chen, 2022. "Comprehensive Analysis of Grain Production Based on Three-Stage Super-SBM DEA and Machine Learning in Hexi Corridor, China," Sustainability, MDPI, vol. 14(14), pages 1-21, July.

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