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<p>Semi-arid agriculture faces increasing challenges from water scarcity, climate variability, and economic risk linked to monoculture systems. This review develops a framework linking drought-tolerant crop adaptation to downstream potential for grain sorghum, sesame, sunflower, and guar. Unlike prior reviews that treat agronomy and value chains separately, this work integrates crop composition, processing, and deployment constraints to evaluate circular, value-added systems. A structured narrative synthesis was conducted across agronomy, phytochemistry, extraction, and techno-economic studies, mapping crop-specific molecular profiles to functional properties. Literature was selected based on relevance to (i) drought adaptation and compositional variability, (ii) compound-specific functionality, and (iii) process scalability and value-chain integration. Across all four crops, deployment feasibility appears governed by system-level constraints, including logistics, processing scale, regulations, and market absorption. The framework identifies key knowledge gaps and barriers for scalable, climate-resilient, and economically viable systems in semi-arid regions.</p>

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Semi-arid cropping and circular value chains for climate-resilient agriculture

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月26日

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  • Anagha Sunil,
  • Glen Ritchie,
  • Brendan Kelly,
  • Paula Berton,
  • Irish Lorraine B. Pabuayon,
  • Julia L. Shamshina

摘要

Semi-arid agriculture faces increasing challenges from water scarcity, climate variability, and economic risk linked to monoculture systems. This review develops a framework linking drought-tolerant crop adaptation to downstream potential for grain sorghum, sesame, sunflower, and guar. Unlike prior reviews that treat agronomy and value chains separately, this work integrates crop composition, processing, and deployment constraints to evaluate circular, value-added systems. A structured narrative synthesis was conducted across agronomy, phytochemistry, extraction, and techno-economic studies, mapping crop-specific molecular profiles to functional properties. Literature was selected based on relevance to (i) drought adaptation and compositional variability, (ii) compound-specific functionality, and (iii) process scalability and value-chain integration. Across all four crops, deployment feasibility appears governed by system-level constraints, including logistics, processing scale, regulations, and market absorption. The framework identifies key knowledge gaps and barriers for scalable, climate-resilient, and economically viable systems in semi-arid regions.