Moving beyond 'more crop per drop': insights from two decades of research on agricultural water productivity

Concern over increasing water scarcity has led to the introduction of the concept of agricultural water productivity and an emphasis on interventions to achieve 'more crop per drop'. Yet, a strong debate continues on how the concept is to be defined and used. Drawing largely from the irrig...

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Bibliographic Details
Published in:International journal of water resources development 2021-01, Vol.37 (1), p.137-161
Main Authors: Giordano, Meredith, Scheierling, Susanne M., Tréguer, David O., Turral, Hugh, McCornick, Peter G.
Format: Article
Language:English
Subjects:
Agricultural research
agricultural water management
Irrigated agriculture
Irrigation
irrigation efficiency
Productivity
Scarcity
single-factor productivity
water productivity
Water scarcity
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Summary:Concern over increasing water scarcity has led to the introduction of the concept of agricultural water productivity and an emphasis on interventions to achieve 'more crop per drop'. Yet, a strong debate continues on how the concept is to be defined and used. Drawing largely from the irrigation literature, the origins of the concept and its methodological developments are reviewed, and its use in applied work over two decades is discussed. Based on this analysis of conceptual and applied research, key insights into the concept's contributions and limitations are presented, as well as opportunities for further refinements.
ISSN:0790-0627
1360-0648
DOI:10.1080/07900627.2019.1576508