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Saving water in urban areas

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A solution to significantly reduce the water consumption of a city and create temporary salaried positions paid, in part, by the water budget savings by creating a specific and structured municipal team for checking and the repair of water leaks.

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Moistube Sub-Surface Slow Release Irrigation, save 60% water more than drip irrigation, a good choice for desert or acid district agriculture, landcape, garden irrigation

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Plants absorb moisture by a cycle of transpiration (the loss of water) and absorption of moisture through the roots by osmosis.  Osmosis is the movement of water molecules through a selectively-permeable membrane. At the core of the technology in the Moistube family of products is an inner membrane that simulates the properties of plant tissue and feeding roots.  This membrane releases water at a rate consistent with a plants’ ability to ingest it in a manner very similar to osmosis.

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Saving water by implementing the Water Administration System (WAS) on irrigation schemes that deliver water on demand through canal networks and rivers

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The Water Administration System (WAS) is an integrated management tool for irrigation schemes that delivers water on  demand through canal networks and rivers. The WAS program is currently in use at all the major irrigation schemes and a number of smaller irrigation boards throughout South Africa including about 150 000 ha. WAS can be implemented in a  small water office that manages a few abstractions and measuring stations up to catchment level that manages thousands of  abstractions and measuring stations.

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NATIONAL PROGRAM OF SAVING WATER IN IRRIGATION

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Morocco is a highly water-stressed country, and it is imperative that its increasingly scarce water resources be managed as efficiently and as economically as possible, so as to cope with the high energy costs involved in their mobilization. Such management necessarily entails a positive and sustainable use of irrigation water which accounts for more than 80% of mobilized water resources, with losses often exceeding 50% of the quantity of water drawn. This explains why Government has given pride of place to PNEEI.

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Innovative technology and management measures for water saving in irrigation

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The major challenge facing irrigated agriculture today is producing more food using less water. ICID has compiled case studies of successful water saving experiences, tools and research studies contributed by ICID WatSave award winners  from Australia, Brazil, China, India, Egypt, South Korea, Pakistan, South Africa, Spain, Turkmenistan, UK, and USA. Irrigated agriculture is coming under increasing scrutiny as availability of fresh water is declining and competition among other use sectors, including aquatic ecosystems is intensifying. Many national governments, private agencies, research institutes around the world are  therefore focusing their efforts in developing and applying various water saving/conservation measures in agriculture. 

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Growing more rice with less water: Innovative practices in Egypt and Pakistan

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Worldwide harvested rice area is about 150 million ha, of which some 90 million ha are irrigated. Traditionally, paddy is grown using huge amount of water. However, increasing water shortage at the farm level has forced farmers in many countries to adopt innovative technologies and management measures in reducing water use without jeopardizing rice yields. ICID has honored some outstanding water saving contributions in rice cultivation from China, India, Egypt and Pakistan. In this solution the innovative low cost irrigation methods for rice irrigation being practised in Egypt and Pakistan.

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IWRM practice for sustainability in Central Asia

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This solutions aims o facilitate actions for wider IWRM practical implementation in the region:
•    National IWRM Plans (or IWRM Visions) development and their adoption by National Water Authorities in Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan – by the end 2012.

•    National IWRM policy dialogues in all countries for promotion of wide public participation (proper stakeholders) in water governance.

•    With the framework of the Aral Sea Basin Program-3 to establish the network of training centers and managing the coordinated capacity development process over the region.

•    Creation the expert working groups for legal and financial justification of IWRM and establishing its legislative basis, improving water charging mechanisms, legal and financial coordination of efficient water use aspects at all hierarchic levels – during 2012-2014.

•    Provide assistance to the National water authorities to attract funds for technical measures during 2011-2012, aiming: introduction of water record keeping; contribution of hydro-meteorological services in IWRM; establishing the extension service for improving the water productivity; computerization of managing the water supply and irrigation systems;  water-saving interventions, etc.

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Water, energy, and greenhouse

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IRRI and its partners are developing water-saving technologies for rice, such as Alternate Wetting and Drying and Aerobic Rice.

In AWD, rice fields are not continuously flooded, but the soil is allowed to dry out for some days after the disappearance of ponded water before it is flooded again.The technique is widely applicable, easy to implement, and simple to adopt by farmers.

With Aerobic Rice, specially-bred rice varieties are grown juts like as wheat or maize, without wetland preparation, saturated field conditions, or any ponded water at all. Irrigation is applied to restore the field to field capacity once the soil has become too dry.

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First liquid mulch for the agriculture

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Guilspare is anorganic autodegradable polymer in a liquid form that farmers mix at 1 to 2% concentration to first irrigation water. Once in contact with air,Guilspare coats the particles of the soil on a few centimeters depth. The virtual film will prevent water from evaporation by capillarity, while gravitational water will keep on passing through. 

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