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Improving water-efficient irrigation: prospects and difficulties of innovative practices

Levidow, Les; Zaccaria, Daniele; Maia, Rodrigo; Vivas, Eduardo; Todorovic, Mladen and Scardigno, Alessandra (2014). Improving water-efficient irrigation: prospects and difficulties of innovative practices. Agricultural Water Management, 146 pp. 84–94.

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Innovative irrigation practices can enhance water efficiency, gaining an economic advantage while also reducing environmental burdens. In some cases the necessary knowledge has been provided by extension services, helping farmers to adapt and implement viable solutions, thus gaining more benefits from irrigation technology. Often investment in technological improvements has incurred higher water prices, however, without gaining the full potential benefits through water efficiency. Farmers generally lack adequate means and incentives to know crops’ water use, actual irrigation applications, crops’ yield response to different water management practices, and thus current on-farm water-efficiency levels.

Those general difficulties are illustrated by our two case studies investigating options, stimuli and difficulties to improve water-efficient practices. The two areas have strong stimuli for improvement but lack a knowledge-exchange system to help farmers and resource managers identify scope for improvements. Partly for this reason, farmers’ responsibility for efficient water management has been displaced to hypothetical prospects, e.g. extra supplies from reuse of treated wastewater or a long-term low water pricing. In both cases a displaced responsibility complements the default assumption that farmers’ irrigation practices already have adequate water-use efficiency. Under current circumstances, agricultural water management will maintain the unknown water-efficiency level and farmers will have weaker incentives to make efforts for more efficient practices. A continuous knowledge-exchange is necessary so that all relevant stakeholders can share greater responsibility across the entire water-supply chain. On this basis, more water-efficient management could combine wider environmental benefits with economic advantage for farmers.

Item Type: Journal Item
Copyright Holders: 2014 The Authors
ISSN: 0378-3774
Project Funding Details:
Funded Project NameProject IDFunding Body
EcoWater: Meso-level eco-efficiency indicators to assess technologies & their uptake in water use sectors282882European Commission
Keywords: innovative irrigation practices; water-efficiency; Water Users Organisations; shared responsibility; knowledge-exchange system
Academic Unit/School: Faculty of Arts and Social Sciences (FASS) > Social Sciences and Global Studies > Development
Faculty of Arts and Social Sciences (FASS) > Social Sciences and Global Studies
Faculty of Arts and Social Sciences (FASS)
Research Group: Innovation, Knowledge & Development research centre (IKD)
International Development & Inclusive Innovation
Item ID: 40706
Depositing User: Les Levidow
Date Deposited: 12 Aug 2014 10:01
Last Modified: 08 Aug 2019 05:38
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