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Research papers on Water scarcity and agriculture

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  1. Water Scarcity and Irrigation Efficiency in Egypt

    Rehab Osman, Emanuele Ferrari, Scott McDonald · 2016 · Water Economics and Policy · 43 citations

    This study provides quantitative assessments of the impacts of efficiency enhancement for different types of irrigation water under water scarcity conditions. It employs a single country CGE (STAGE 2) model calibrated to an extended version of a recently constructed SAM for Egypt 2008/09. The SAM segments the agricultural accounts by season and by irrigation scheme, including Nile- and groundwater-dependent as well as rain-fed agricultural activities. The simulations show that Egypt should manage potential reductions in the supply of Nile water with more efficient irrigation practices which increase the productivity of Nile water, groundwater and irrigated land. The results suggest a more am

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  2. Addressing water scarcity in agricultural irrigation: By exploring alternative water resources for sustainable irrigated agriculture

    Amgad Elmahdi · 2024 · Irrigation and Drainage · 35 citations

    AbstractThis review paper addresses challenges in the water sector, particularly in irrigated agriculture, aiming to propose solutions for meeting irrigation demands while promoting global food security and sustainable development, notably SDG 6. Structured around three facets: empowering farmers, strengthening conventional sources of irrigation water and harnessing non‐conventional water resources, it emphasizes the significance of exploring blue water resources due to precipitation variability. Many irrigation systems operate below efficiency, offering productivity enhancement opportunities. Water management in agriculture spans various levels, involving farmers as key stakeholders. In add

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  4. Irrigation efficiency and water withdrawal in US agriculture

    Haoying Wang · 2019 · Water Policy · 14 citations

    AbstractTo meet future food demand and sustainability requirements of society, the agriculture sector faces challenges in both the institutional dimension and the technological dimension. One of the main concerns regarding the current agricultural production pattern is the tremendous amount of water it requires to maintain and boost output. With a changing climate and increasing demand from civil uses, promoting both water allocation efficiency and water application efficiency becomes the focus of policy design. The unintended consequences of water policies, however, have led to extensive debates. This study addresses the key question of whether irrigation efficiency improvement leads to red

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  8. Tackling water scarcity in agriculture—Asian Development Bank's perspective

    Kenichi Yokoyama · 2024 · Irrigation and Drainage · 1 citations

    Abstract‘Tackling water scarcity in agriculture’, which is the theme of the 25th Congress of the International Commission on Irrigation and Drainage (ICID), is at the crux of the global challenge of ensuring a climate‐resilient and water‐ and food‐secure world for future generations. The Asian region faces significant threats due to its high vulnerability to climate change impacts and growing food insecurity and water stress across many river basins. The Asian Development Bank (ADB) is stepping up assistance in line with the international commitments by the multilateral financial institutions. There are significant opportunities that are tapped to address this theme, including (i) exploring

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  9. Irrigation water demand management to address water scarcity

    Hassen Abdelhafid, Ines Gharb, Ahlem Maarouf · 2022 · Emirates Journal of Food and Agriculture · 1 citations

    Improving irrigation water productivity is one of the most important ways to deal with water scarcity. Water pricing is considered a crucial tool for water demand management. This research aims atestimating the price elasticity of irrigation water demand in public and private areas of Nadhour using an Ordinary Least Squares regression (OLS). The paper assesses the economic performance of farming system and compares the value of marginal productivity (VMP) of irrigation water to the prices of water. A structured questionnaire and field visits were used to collect data from 140 farmers. Results show that irrigation water demand is less responsive to water price variation. Estimated elasticitie

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  11. Modelling Paddy Water Demand and Irrigation Efficiency Using CROPWAT 8.0 for Sustainable Agriculture in Sundargarh District, India

    Souvick Kumar Shaw, Anurag Sharma · 2026 · Irrigation and Drainage

    ABSTRACT Declining water resources and rising food demand require improved water use efficiency. In this study, paddy water requirements were comprehensively assessed for the Sundargarh district, India, during 2000–2022 using the CROPWAT 8.0 model. Key parameters, including crop water requirement (CWR), net irrigation requirement (NIR), reference evapotranspiration (ET o ) and crop evapotranspiration (ET c ), were estimated. ET o was calculated using the FAO Penman–Monteith method. The results indicate that effective rainfall contribut

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