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Author: H. P. Ritzema
Publisher: Food & Agriculture Org.
ISBN: 9789251037799
Category : Nature
Languages : en
Pages : 88
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Book Description
Author: H. P. Ritzema
Publisher: Food & Agriculture Org.
ISBN: 9789251037799
Category : Nature
Languages : en
Pages : 88
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Book Description
Author: Mohan Lal
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659381416
Category :
Languages : en
Pages : 196
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Book Description
Nature and harmful effects of excess water and salts in the root zone have been extensively studied over the last few decades, yet the widespread global reporting of water logging and soil salinity in irrigation commands has been a cause of concern to the mankind in general and to the stakeholders in particular. Realizing that the solution to sustainability of irrigated agriculture in arid and semiarid regions hinges upon land drainage, this book has been written to add to the scanty literature on this subject particularly documenting the experiences from a developing country. The contents of this book include: introduction to water logging, soil salinity and land drainage and review of global and Indian land drainage experiences under the heads: investigation and design, material testing/performance, field monitoring and evaluation studies and socio-economic analysis. Introduction to case study site and the methodologies adopted in design, construction and monitoring have been included with appropriate references to the reuse and disposal of drainage effluent and socio-economic evaluation of drainage project. The topics cover almost all the facets of a subsurface drainage project.
Author: Richard Ambrose Hart
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 40
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Book Description
Author: L. C. P. M. Stuyt
Publisher: Food & Agriculture Org.
ISBN: 9789251054277
Category : Technology & Engineering
Languages : en
Pages : 204
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Book Description
Reliable subsurface drainage systems for groundwater table and salinity control are needed to maintain or enhance the productivity of irrigated lands and to contribute to the rural development of lowlands in the humid tropic. This publication presents guidelines to assess the need for envelopes and for the selection of appropriate materials (i.e. pipes and envelopes) for the proper and lasting performance of subsurface drainage systems. In addition, it also contains guidelines for adequate installation and maintenance of drainage materials as well as the required specifications and standards of such materials, which may be used in tender documents for implementation of subsurface drainage works. Practical guidelines for the implementation of laboratory and field investigations to evaluate the performance of drainage materials have also been included.--Publisher's description.
Author: Charles Frank Brown
Publisher:
ISBN:
Category : Drainage
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category : Drainage
Languages : en
Pages : 312
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Book Description
Author: Hendrik Pieter Ritzema
Publisher:
ISBN: 9789085853145
Category : Drainage
Languages : en
Pages : 208
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Book Description
Author: Willem Vlotman
Publisher: CRC Press
ISBN: 1000042200
Category : Science
Languages : en
Pages : 509
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Book Description
Modern Land Drainage 2nd edition is a fully revised and updated edition of the 2004 edition. Modern Land Drainage describes traditional drainage formulas (Hooghoudt, Kirkham, Donnan, Ernst, Glover-Dumm) for rainfed agriculture in the humid temperature zone. Significant parts are devoted to drainage for salinity control of irrigated land in (semi-) arid zones, and to drainage of rice land in the humid tropics. Institutional, management and maintenance aspects are extensively covered, as well as the mitigation of adverse impacts of drainage interventions on the environment. The latest computer applications for drainage design in the context of integrated water management are described (DRAINMOD, HEC, SWAP, etc.). Field surveys are executed by governments, with the aid of consultants, but rarely are the end stakeholders (i.e., farmers and general public) involved from inception to planning to execution of a drainage system. Yet, during the Operation, Management and Maintenance (OMM) phase of a water management system, they are expected to takeover, run, bear and be responsible for the costs of OMM. The book describes successful methodologies and processes to be followed for engagement of stakeholders at all levels, from government to farm, from minister to farmer, and, from beginning to end. The book covers all aspects needed for sustainable drainage. The latest survey methodologies with satellites and drones are suggested to assess cause and effect. Waterlogging and salinity are the effect of something caused most likely upstream of the drainage problem location. Hence treating the cause may be more cost-effective. Triple Bottom Line (social, environmental and financial considerations) and the water-food-energy nexus are an integral part of the drainage design process. Controlled drainage, i.e. the balance of removal and conservation of drainage water and minimising solute transport as low as reasonably achievable (ALARA principle) is extensively described. This work is intended for use both as a university level textbook and as a professional handbook; it is of particular value to professionals engaged in drainage development in the context of integrated water resources and river basin management, civil and agricultural engineers, government officials, university students and libraries.
Author: United States. Bureau of Reclamation
Publisher:
ISBN:
Category : Drainage
Languages : en
Pages : 312
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Book Description
Author: International Institute for Land Reclamation and Improvement
Publisher:
ISBN:
Category : Agricultural engineering
Languages : en
Pages : 1134
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Book Description
This text book brings together 26 chapters, 546 fugures, 166 tables, a glossary of 332 definitions. Being the result of ILRI's core business: bringing together the principles and applications of drainage, by giving international courses on drainage
