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Author: J. C. Skutsch
Publisher: Food & Agriculture Org.
ISBN: 9789251045640
Category : Business & Economics
Languages : en
Pages : 56
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Book Description
The International Programme for Technology and Research in Irrigation and Drainage (IPTRID) was established in 1991 to promote technology and research in and by developing countries. The purpose of this review is to highlight areas where research and development can improve performance and identify gaps in knowledge. In the face of water shortage the problem of one set of water users cannot be considered in isolation from other users and hence there are a number of cross-discipline issues that must also be addressed.
Author: J. C. Skutsch
Publisher: Food & Agriculture Org.
ISBN: 9789251045640
Category : Business & Economics
Languages : en
Pages : 56
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Book Description
The International Programme for Technology and Research in Irrigation and Drainage (IPTRID) was established in 1991 to promote technology and research in and by developing countries. The purpose of this review is to highlight areas where research and development can improve performance and identify gaps in knowledge. In the face of water shortage the problem of one set of water users cannot be considered in isolation from other users and hence there are a number of cross-discipline issues that must also be addressed.
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 1180
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Book Description
Author: James P. Law
Publisher:
ISBN:
Category : Irrigation water
Languages : en
Pages : 40
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Book Description
The status of the National Irrigation Return Flow Research and Development Program is presented. Current research projects and future program development are discussed. The report represents the position of the Environmental Protection Agency (EPA) with regard to the development of effective controls on the quality of irrigation return flows. Program goals and milestones are outlined. A number of potential control measures are discussed. Improvements in the water delivery system, on-the-farm water management, and the water removal system are considered with respect to improving the quality of irrigation return flows and decreasing the degradation of receiving waters. Research and investigations are needed to evaluate the effectiveness of potential control measures. Demonstrations and educational activities will be required to overcome institutional, political, and legal constraints to water management reform.
Author: American Society of Civil Engineers. Irrigation and Drainage Division. Specialty Conference
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 526
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Book Description
Author: E. Barton Worthington
Publisher: Elsevier
ISBN: 148315971X
Category : Business & Economics
Languages : en
Pages : 478
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Book Description
Arid Land Irrigation in Developing Countries: Environmental Problems and Effects covers the proceedings of the International Symposium on Arid Land Irrigation, held in Alexandria, Egypt on February 16-21 1976. This book is organized into eight sections encompassing 46 chapters. The opening section deals first with the benefits of arid land irrigation and the effective use of water in irrigated agriculture. This section also tackles the public health and socio-economic impacts of irrigation, as well as the planning and managing of irrigation and drainage systems. The next section discusses the results of some case studies on arid land irrigation, such as in districts in Mexico, Iran, and Egypt. Other sections explore the influence of irrigation on changes in hydrological processes and cycle, soil fertility, water quality, and biological balances. The closing sections consider the human problems in irrigation areas, with an emphasis on the problem of schistosomiasis and malaria. These sections also look into the viewpoints of specialist agencies of the United Nations on arid land irrigation. This book will be of value to agriculturists, economists, and researchers.
Author: Asad Sarwar Qureshi
Publisher: IWMI
ISBN: 9290906812
Category : Soils, Salts in
Languages : en
Pages : 32
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Book Description
Approximately half of the irrigated area of Iran falls under different types of salt-affected soils and average yield losses may be as high as 50 percent. Slightly and moderately salt-affected soils are mostly found on the piedmonts at the foot of the Elburz (Alborz) Mountains in the northern part of the country. The soils having severe to extreme salinity are predominantly located in the Central Plateau, the Khuzestan and Southern Coastal Plains and the Caspian Coastal Plain. The process of salinization of the surface water resources is mainly due to natural conditions, and to a lesser extent, to the discharge of drainage water into the river systems. Estimates show that about 6.7 km3 of brackish water flow annually through 12 major rivers. There is no straightforward solution to the complex problems of salt-induced soil and water resources degradation in Iran. The approaches addressing the management of these resources need to be multidimensional and must take into account biophysical and environmental conditions of the target areas as well as livelihood aspects of the associated communities.
Author: Malabo Montpellier Panel
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Political Science
Languages : en
Pages : 64
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Book Description
The report begins with an overview of the challenges on agricultural systems to make more food available and accessible and lays out the potential of irrigation to make agriculture more productive, efficient and profitable for smallholder farmers. A discussion on the potential to expand irrigation across Africa and barriers to uptake including an analysis of the inherent risks and desired outcomes of irrigation forms the next section. The report reviews the traditional and new, innovative smallscale and large-scale irrigation approaches and technologies that have been implemented in Africa, followed by an analysis of the experiences of six African countries that have been particularly innovative and successful in terms of their institutional and policy design for irrigation. The report closes by drawing some key lessons and offering nine recommendations for actions by African governments and the private sector.
Author: United States. Congress. Senate. Committee on Governmental Affairs
Publisher:
ISBN:
Category : Energy policy
Languages : en
Pages : 1372
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Author: Food and Agriculture Organization of the United Nations
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 540
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Author: National Centre for Engineering in Agriculture
Publisher:
ISBN: 9780949414915
Category : Agricultural extension work
Languages : en
Pages : 121
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Book Description
