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Water-Saving Irrigation Promotion and Food Security: A Study for China

Author

Listed:
  • Rui Yang

    (College of Humanities and Development Studies, China Agricultural University, Beijing 100193, China)

  • Qijie Gao

    (College of Humanities and Development Studies, China Agricultural University, Beijing 100193, China)

Abstract

In response to water scarcity and food security, most governments in the world have adopted water-saving irrigation promotion policies by increasing the water-saving irrigation area. Many researches focus on water scarcity, but there is a lack of research on the food security effects of water-saving irrigation policies. A two-way fixed effect model was used to identify the effect of water-saving irrigation area on the production of food crops with panel data of 31 Chinese provinces from 2000 to 2019. The study shows: First, water-saving irrigation area not only can save agricultural water use, but also has a significant positive effect on production of food crops; Second, water-saving irrigation area affects production of food crops through agricultural input factors, such as sown area, chemical fertilizer, and mechanized power; Third, there is heterogeneity in the effect of water-saving irrigation area on production of food crops, in which water-saving irrigation area has a greater impact on production of food crops in areas where there is less rainfall, or lower water-saving irrigation rate. Therefore, the water-saving irrigation promotion has a significant role in promoting China’s production of food crops and has made a certain contribution to ensuring food security.

Suggested Citation

  • Rui Yang & Qijie Gao, 2021. "Water-Saving Irrigation Promotion and Food Security: A Study for China," Sustainability, MDPI, vol. 13(21), pages 1-14, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:21:p:12212-:d:672807
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    References listed on IDEAS

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