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Highlights ► Water management requires appropriate application of the concepts of IE, WUE and WP. ► The concept of irrigation efficiency (IE) is best used at irrigation scheme level. ► The concept of water productivity (WP) is best used at catchment level. ► To compare productivity, only...
Highlights ► We applied water accounting to estimate water saving potential. ► We use water budgeting to estimate water depletions. ► Increasing non-beneficial depletions reflects needs for new water management. ► Water savings are raised if water banking in subsurface aquifers is applied.
Highlights ► The paper explains the two main paradigms in irrigation efficiency. ► The paper argues that classical irrigation efficiency (CIE) has merit. ► It posits a variety of situations where CIE should be utilised carefully. ► It argues for a bifurcating model of irrigation systems....
Highlights ► Water use concepts and performance descriptors are useful in defining water conservation and saving. ► New indicators are proposed which include consideration of water reuse and distinctions between beneficial and non-beneficial water uses. ► In addition, an analysis of water...
Highlights ► We review farmer perspectives of irrigation efficiency in a temperate climate. ► We describe a ‘pathway to efﬁciency’ to improve irrigation abstraction control. ► Water auditing and benchmarking support policy interventions on promoting efficiency.
Highlights ► We estimate groundwater pumping consumes 40.5 billion kWh energy and causes 3.6% of total carbon emissions in Iran. ► Increasing application efficiency will result in gains in terms of carbon emissions and energy consumption. ► Improved on-farm irrigation can result in a...
Highlights ► We predict how farmers will adopt irrigation technology. ► We simulate water price, water rationing, and irrigation efficiency subsidies. ► We employ a self-calibrating profit maximizing model of agricultural production. ► The model is applied to the Tulare Basin in...
Highlights ► The article studies the naturalization of universally applied water policy concepts. ► Discourses on efficiency justify policies that affect smallholders’ water use rights. ► Expert notions of efficiency tend to interfere in existing local use practices. ► Productivity...
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