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Reallocating crop spatial pattern improves agricultural productivity and irrigation benefits without reducing yields

Author

Listed:
  • Yunfei Fan

    (China Agricultural University
    National Field Scientific Observation and Research Station on Efficient Water Use of Oasis Agriculture in Wuwei of Gansu Province)

  • Liuyue He

    (China Agricultural University
    National Field Scientific Observation and Research Station on Efficient Water Use of Oasis Agriculture in Wuwei of Gansu Province)

  • Yi Liu

    (China Agricultural University
    National Field Scientific Observation and Research Station on Efficient Water Use of Oasis Agriculture in Wuwei of Gansu Province)

  • Sufen Wang

    (China Agricultural University
    National Field Scientific Observation and Research Station on Efficient Water Use of Oasis Agriculture in Wuwei of Gansu Province)

Abstract

The allocation of crop spatial pattern has an appreciable impact on achieving sustainable agricultural development. Crop spatial pattern should be adjusted in accordance with the agricultural environment factors and climate change so that we make full use of agricultural resources to produce more food. However, crop suitability has not been adequately considered in crop patterns, ignoring the fact that the fundamental solution to agricultural water scarcity is to promote crop water productivity (CWP). This study aims to reallocate crop spatial patterns while synergistically improving irrigation benefits and water productivity. To achieve this, we developed a minimum cumulative resistance (MCR) model based on ecological movement processes to simulate crop suitability distribution and thus determine crop spatial patterns. The results show that the adjusted crop pattern could increase the regional water productivity by 1.35 times and the net benefits of unit water by 0.94%, and maintained crop yields. Under future climate scenarios, this approach can still ensure irrigation benefits and food security. Therefore, the MCR model provides effective crop patterns and solutions for sustainable agricultural development when facing a complex agricultural environment.

Suggested Citation

  • Yunfei Fan & Liuyue He & Yi Liu & Sufen Wang, 2023. "Reallocating crop spatial pattern improves agricultural productivity and irrigation benefits without reducing yields," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(12), pages 14155-14176, December.
    • Handle: RePEc:spr:endesu:v:25:y:2023:i:12:d:10.1007_s10668-022-02655-2
    DOI: 10.1007/s10668-022-02655-2
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