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Water Re-use: Agriculture and Urban Water Management in a Recycling Society









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    Book (stand-alone)
    Water Re-Use: Agriculture and Urban Water Management in a Recycling Society 2012
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    This fact sheet explains how water can be used in the city and reused in agriculture in a way that benefits both farmers and city dwellers. Water reuse in agriculture has numerous advantages for all the parties involved as it provides a year round supply of water, together with nutrients and organic matter, to support crop production; providing food, income and employment to cities and improving urban landscape. In addition, well managed water reuse can lessen the pollution load on d ownstream watercourses.
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    Book (stand-alone)
    On-farm practices for the safe use of wastewater in urban and peri-urban horticulture
    A training handbook for Farmer Field Schools in Sub-Saharan Africa
    2019
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    The world’s population is growing rapidly and concentrating in urban centres. This trend is particularly intense in developing countries, where an additional 2.1 billion people are expected to be living in cities by 2030. However, sanitation coverage (collection and treatment) is not keeping pace with urban growth and as a result most wastewater enters water courses untreated. Many farmers in developing countries grow crops, especially vegetables, in urban and peri-urban environments using this wastewater, raw or diluted, to irrigate their crops. Such wastewater is often heavily contaminated with disease- causing organisms and chemical agents that can seriously harm the health of the farmers, the traders who handle crops and the people who consume them. It is therefore very important for urban and peri-urban vegetable farmers to be aware of the health-risks associated with using wastewater for their irrigating crops and to know how to use wastewater safely at farm level to reduce those health risks. Safe irrigation methods are essential when using wastewater for irrigation, but they need to be complemented with other practices from farm to fork to ensure the safety of others involved in the value chain. In 2006, the World Health Organization (WHO), together with the Food and Agriculture Organization of the United Nations (FAO) and the United Nations Environment Programme (UNEP), adopted a multiple-barrier approach to reduce the health risks to farmers and consumers posed by using wastewater in agriculture. This approach opened the door to targeting a variety of entry points where health risks occur or can be mitigated before the food is consumed. This handbook focuses on low-cost and low-tech on-farm wastewater treatment and safe irrigation practices that farmers can adopt to grow safer products. When using the pronoun ‘you’, the handbook addresses extension officers, trainers of farmers, and farmers interested to apply and share new knowledge.
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    Book (series)
    Safety and quality of water use and reuse in the production and processing of dairy products
    Meeting report
    2023
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    Water is used for a wide range of activities in the dairy sector, which consumes a substantial volume of first-use drinking water for production processes, cleaning and disinfection. There is a great potential to exploit possible sources of reusable water in the dairy sector.In 2020, the 43rd session of the Codex Alimentarius Commission approved the new work entitled “Development of Guidelines for the Safe Use and Reuse of Water in Food Production” proposed by the 51st session of the Codex Committee on Food Hygiene. To support this work, the Joint FAO/WHO Expert Meeting on Microbiological Risk Assessment (JEMRA) was asked to provide scientific advice regarding safe use and reuse of water in the dairy sector. JEMRA convened an online meeting from 14 June to 2 July 2021 to provide clear and practical guidance on risk-based approaches to assess and manage fit-for-purpose water sourcing, use and reuse in the dairy sector. This report describes the output of this meeting to support the decision-making when applying the concept of fit-for-purpose water for use in the production and processing of dairy products.

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