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Exibindo 241 - 250 de 422
Artigos e Livros
Janeiro 2012
Egito
Norte de África

The objectives of this report are to evaluate and test, with community participation; the benchmark water management options which sustainably improve water productivity, net return per water unit, and optimize water use. The strategies evaluated have to be economically viable, socially acceptable, and environmentally sound in the three different agricultural eco-systems.

Artigos e Livros
Dezembro 2011
Egito

Detecting soil degradation and recognizing its various types is a necessity to take the practical measures for combating it as well as conserving and keeping the agricultural soil healthy. The present study aims at monitoring soil degradation process within the last four decades in the middle part of Nile Delta.

Artigos e Livros
Dezembro 2011
Egito
África

This paper provides the methodology and results of a cross-scale diagnostic performance assessment program of the irrigation water management in the old lands of the Nile Delta of Egypt. The analysis was done at three levels; main canal level, branch canals level and on-farm level of the Meet Yazid command (82,740 ha) for the year 2008-2009 to highlight areas for improvement.

Artigos e Livros
Dezembro 2011
Egito
Norte de África

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;

Artigos e Livros
Dezembro 2011
Egito

Sand dunes encroachment is a challenge that faces land development in North African countries. Movement of these dunes threatens cultivated lands, roads, and urban settlements. Geographic information system (GIS) provides a tool for cartographic modeling of risk of sand dunes encroachment.

Artigos e Livros
Dezembro 2011
Egito

The Nile River provides nearly 97% of Egypt's freshwater supply. Egypt's share of Nile waters is fixed at 55.5 billion cubic meters annually. As a result, Egypt will not be able to meet increasing water demand using freshwater from the Nile and has been developing non-conventional wastewater reuse strategies to meet future demands.

Artigos e Livros
Dezembro 2011
Egito
Norte de África

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.

Artigos e Livros
Dezembro 2011
Índia
Egito
Paquistão

In this paper, the role of subsurface drainage in irrigated agriculture in semi-arid and arid regions is discussed based on experiences obtained in Egypt, India and Pakistan. Agriculture in these countries is predominantly practiced by small, marginal farmers with landholdings of often less than one hectare.

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