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Showing items 1 through 9 of 14.
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Library Resource
Algeria, Egypt, Iraq, Jordan, Morocco, Sudan, Syrian Arab Republic, Tunisia, Northern Africa, Western Asia
In this study, an economic evaluation of water-use efficiency technologies proposed and tested by the agronomic team in the Tadla Irrigated Perimeter was carried out. To capture climatic variability, the analysis was conducted during two contrasting years (dry and wet). Total annual rainfall was 357 mm in 2005/06 (wet year) and 296 mm in 2006/07 (dry year). During the first year, precipitation was well distributed throughout the season. However, the second year was wet at the beginning, dry in the middle and very wet at the end of the season.
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Library Resource
The Jordan Badia is representative of the vast drier environments of the West Asia and North Africa (WANA) region. Pasture rangeland covers the majority of the Badia, although the vegetative cover is not dense. The vegetation in the Badia includes shrubs and short grasses. Barley is the main field crop in dryland farming, although irrigated forage, vegetables, and fruit orchards are also found in the Badia. Most of Jordan’s livestock (70%) is produced in the Badia.
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Library Resource
The new lands are represented by the El- Bustan area. The soils of the site are mostly sandy with low fertility and relatively low water holding capacity and crops are grown exclusively under irrigation using modern irrigation systems.
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Library Resource
This study aimed at conducting the followings activities:
• To survey and identify the flora at the Mharib watershed (the intervention area of the Badia Benchmark Project),
• to study the effect of microcatchment WH techniques on the soil seed bank compared with the current situation,
• to evaluate the effect of microcatchment WH on the native vegetation regeneration and improvement, and
• to multiply and reintroduce the annual native plant species collected from the rangelands.
The study is presented in five main sections:
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Library Resource
The study was conducted in El-Serw (New Alexandria) located about 32 km south of Damietta, Damietta Governorate, El-Manzala Lake is to the east, Dakahlia Governorate lies to the south, and to the west are El-Sharqawia canal and the Nile River.
The selected site has the general characteristics of marginal lands:
• Drainage system problems;
• High water table;
• Increased soil salinity;
• Seawater intrusion;
• Pollution due to extensive use of chemicals; low water quality;
• Available water increases relatively in winter;
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Library Resource
This is the fundamental scope of the Irrigation Benchmark Project, where the emphasis was placed on introducing and implementing new water saving technologies. Additionally, emphasis was laid on the participation and involvement of farmers in water users’ associations (WUA) and other community organizations, as well as with government organizations – particularly, those concerned in the Extension Service of the Ministry of Agriculture.
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Library Resource
From these workshops and an analysis of project documentation, we can conclude that possibilities for the improvement of water use do exist. These improvements depend not only on technical aspects, but also on organization and policy considerations.
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Library Resource
The objective of any national water policy is, normally, to ‘Generate the maximum possible economic value for the nation’. Under water scarcity situations, water should be allocated so that users who generate a higher income per unit volume of water are given priority over those who generate less income. This applies not only to water quantity, but also to water quality. The above statements are valid when water is considered as an economic commodity.
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Library Resource
How suitable an area is for WH depends on local society, farming practices, and whether the area meets the basic technical requirements of the WH system in question. When planning such systems, appropriate data must be available on the climate, soil, crops, topography, and socioeconomics of the project area. The available tools and methods of data acquisition for planning, designing, and implementing WH systems, include field visits, site inspections, topographic and thematic maps, aerial photos, satellite images, and geographic information systems (GIS) must also be considered.
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Library Resource
This report describes the use of improved methodologies developed to identify suitable watersheds based on an integrated resources management concept. The approach integrates multi-disciplinary knowledge, GIS utilities, and verification in the field to develop and test a methodology to identify watersheds with specific characteristics
– in this case, the watersheds most suited to the project activities.
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