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Author : Anonim
Publisher : Unknown
Page : 360 pages
File Size : 41,7 Mb
Release : 1972
Category : Agriculture
ISBN : STANFORD:36105030295039
Author : Mary E. Renwick
Publisher : Routledge
Page : 547 pages
File Size : 45,7 Mb
Release : 2018-01-18
Category : Business & Economics
ISBN : 9781351159272
Water is becoming an increasingly scarce commodity in many parts of the world. Population growth plus a growing appetite for larger quantities of cheap water quality as a result of urban, industrial, and agricultural pollution coupled with increasing environmental demands have further reduced usable suppliers. This book brings together thirty of the best economic articles addressing water scarcity issues within the US and Mexico. By touching on a number of different issues, this volume clearly articulates the need for improving existing institutional arrangements as well as for developing new arrangements to address growing water scarcity problems.
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 86 pages
File Size : 40,9 Mb
Release : 1995
Category : Electronic books
ISBN : 9251035067
Author : E. D. Ongley,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 114 pages
File Size : 55,7 Mb
Release : 1996
Category : Business & Economics
ISBN : 9251038759
Agricultural operations can contribute to water quality deterioration through the release of several materials into water: sediments, pesticides, animal manures, fertilizers and other sources of inorganic and organic matter. This ''guidelines'' document on control and management of agricultural water pollution has the objectives of delineating the nature and consequences of agricultural impacts on water quality, and of providing a framework for practical measures to be undertaken by relevant professionals and decision-makers to control water pollution.
Author : Daniel Renault,Thierry Facon,Robina Wahaj,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 240 pages
File Size : 55,5 Mb
Release : 2007
Category : Business & Economics
ISBN : 9251057168
This publication describes the MASSCOTE methodology, illustrated by several applications in Asia. MASSCOTE is a comprehensive methodology for analysing the modernization of canal operation. The aim is to enable experts to work together with users in determining improved processes for cost-effective service-oriented management. It is based on previous tools and approaches widely used in Asia by FAO in its modernization training programme (rapid appraisal procedures and benchmarking). From diagnosis through the formulation of operational units and the planning of a service (based on the vision agreed upon with the users), MASSCOTE entails a systematic, ten-step, mapping exercise. The accompanying CD-ROMs contain the full document in English, excerpts in French, a draft version in Arabic and Chinese, training presentations and material, and a number of documents and references on irrigation system operation and management [System requirements: PC with Intel Pentium(r) processor and Microsoft(r)Windows 95/98/200/Me/NT/XP; 256 MB of RAM; 50 MB of available hard-disk space; SuperVGA monitor; 256 colours at 1024x768; Adobe Acrobat(r) Reader (not included on CD-ROM)]
Author : International Rice Research Institute
Publisher : Int. Rice Res. Inst.
Page : 208 pages
File Size : 52,5 Mb
Release : 1978
Category : Agriculture and state
ISBN : 9789711040260
Planning and design of irrigation systems; management, operation, and maintenance of irrigation systems;economic analyses of irrigation; organization of irrigation activities and behavior of irrigators.
Author : Douglas L. Vermillion,J. A. Sagardoy
Publisher : Food & Agriculture Org.
Page : 116 pages
File Size : 50,6 Mb
Release : 1999
Category : Business & Economics
ISBN : 9251043086
Irrigation management transfer (IMT) means the relocation of responsibility and authority for irrigation management from government agencies to non-governmental organizations, such as water user's associations. It is a widespread process that is taking place in more than 40 countries. These guidelines have been written to assist policy-makers, planners, technical experts, farmers' representatives and others involved in IMT programmes to design and implement an effective comprehensive and sustainable reform.
Author : Nicola Lamaddalena,J. A. Sagardoy,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 156 pages
File Size : 53,8 Mb
Release : 2000
Category : Technology & Engineering
ISBN : 9251044376
With the strong competition that is arising for water resources the modernisation of irrigation systems is becoming a critical issue. One of the alternatives to modernisation is the use of pressurised systems to replace part of the existing networks. This publication analyses the performance of pressurised irrigation systems operating on demand, and provides revised criteria for the design of such irrigation networks. For this purpose, new approaches and a computer program have been developed. The program has been tested in several field situations in the Mediterranean Basin and has demonstrated its usefulness not only by quickly identifying weak points in irrigation networks but also by identifying the power requirements of pumping stations needed to satisfy varying demand situations.
Author : J. Richard Blanchard,Lois Farrell
Publisher : Univ of California Press
Page : 748 pages
File Size : 43,9 Mb
Release : 2023-07-28
Category : Science
ISBN : 9780520328730
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1981.
Author : T. C. Dougherty,A. W. Hall,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 92 pages
File Size : 54,9 Mb
Release : 1995
Category : Science
ISBN : 9251037310
The aim of this publication is to provide guidance enabling personnel working in irrigation and drainage to take environmental impacts into account.
Author : L. C. P. M. Stuyt,W. Dierickx,J. Martínez Beltrán
Publisher : Food & Agriculture Org.
Page : 204 pages
File Size : 49,6 Mb
Release : 2005
Category : Technology & Engineering
ISBN : 9251054274
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 : Martin Smith,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 140 pages
File Size : 44,7 Mb
Release : 1992
Category : Business & Economics
ISBN : 9251031061
Setting up cropwat: conditions of use and distribution; Installation; File structure. Getting started on cropwat: Main menu; Printer setting; Default drive and path for data input and retrieval. Eto Calculations: Input climatic station; Retrieval of Eto data from disk; Output. Crop water requeriments: Input climate data; Input of crop data; Crop water requirements results; Program continuation. Rice water requirements: Input of rice data from keyboard; Saving of rice data; Retrieval ofrice data from disk; Date of transplanting; Rice irrigation calculations; Rice irrigation output; Program continuation. Irrigation Scheduling: Data input for irrigation scheduling; Irrigation Scheduling options; Irrigation Scheduling calculations; Irrigation Scheduling output; Program continuation. Scheme water supply: Data input; Calculations; Output. Calculation of reference evapotranspiration: Data collection; Data conversion; Climatic data input; Climatic data and Eto output; Climatic and Eto data saving; Processing of rainfall data: Rainfall definitions; Rain data collection; Rain data processing; Effective Rainfall method; Rain data input; Saving climatic data; Printout of climatic data. Cropping pattern and crop information: Data collection; Cropping pattern; Crop data input. Crop water requirement calculations: File input; CWR calculations; CWR field files; Summary of CWR calculations. Scheme and canal water requirements: Calculation procedures; Field file input; Scheme water requirements (SWR) results; Evaluation of SWR results. Irrigation Scheduling: Data input; Soil data collection; Soil datainput; Irrigation scheduling applications.
Author : T. H. Mather,Trình Tôn-Thá̂t
Publisher : Food & Agriculture Org.
Page : 168 pages
File Size : 50,8 Mb
Release : 1984
Category : Technology & Engineering
ISBN : 925102104X
Author : David W. Rycroft,M. H. Amer,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 152 pages
File Size : 46,9 Mb
Release : 1995
Category : Technology & Engineering
ISBN : 9251036241
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 220 pages
File Size : 40,8 Mb
Release : 1987
Category : Technology & Engineering
ISBN : 9251025479