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Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 208 pages
File Size : 47,5 Mb
Release : 1997
Category : Social Science
ISBN : 9251040729
Author : Ringler, Claudia
Publisher : Intl Food Policy Res Inst
Page : 4 pages
File Size : 46,5 Mb
Release : 2017-01-10
Category : Political Science
ISBN : 8210379456XXX
What will it take to achieve a level of irrigation investment sufficient to support sustainable agriculture for improved food security and nutrition? Climate change and all the resulting uncertainties are sparking new interest in raising investments in irrigation to enable more stable food production. In order for these investments to pay off, they need to be targeted and ideally should be accompanied by the following: 1. Support for smallholder irrigation systems whenever feasible. 2. Improvements in water-use efficiency 3. Economic incentives to conserve water resources 4. Linkages with other sectors. 5. Linkages between irrigation and nutrition
Author : Anonim
Publisher : Unknown
Page : 44 pages
File Size : 42,6 Mb
Release : 1984
Category : Agricultural innovations
ISBN : UOM:39015050603607
Author : International Service for National Agricultural Research
Publisher : Unknown
Page : 88 pages
File Size : 54,9 Mb
Release : 1991
Category : Agricultural innovations
ISBN : WISC:89046771028
Author : Marcus Moench,Jacob J. Burke,Yarrow Moench
Publisher : Food & Agriculture Org.
Page : 68 pages
File Size : 48,9 Mb
Release : 2003
Category : Business & Economics
ISBN : 9251049041
This study attempts to re-frame the current thinking on groundwater development and the implications for food security. Groundwater is important in agriculture as it provides a reliable fallback when rainfeeding fails. It is therefore instrumental in managing risk and optimizing food production. However accessing groundwater has become habit and turned to dependency. Resources limits on many key aquifers have been exceeded and competition for groundwater has become intense. This study highlights the role of adaptive strategies in dealing with aquifer management and indicates directions of research and management.
Author : Van Opstal, J., Droogers, P., Kaune, A., Steduto, P., Perry, C.,Food and Agriculture Organization of the United Nations ,Future Water
Publisher : Food & Agriculture Org.
Page : 63 pages
File Size : 40,9 Mb
Release : 2021-03-18
Category : Technology & Engineering
ISBN : 9789251341360
This technical document contains clear and practical guidelines on how to implement real water savings in agriculture through interventions for enhancing crop water productivity. A distinction is made between real water savings and “apparent” water savings. Apparent water savings record reductions in water withdrawals but do not account for changes in water consumption. Real water savings record reductions in water consumption and non-recoverable return flows (runoff or percolation). This guidance document emphasizes the paradox of water savings at field and basin scales, which usually do not translate into increased water availability for other users, as is commonly believed.
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 82 pages
File Size : 42,9 Mb
Release : 2018-06-29
Category : Technology & Engineering
ISBN : 9789251088135
To feed a world population that will exceed 9 billion by 2050 requires an estimated 60% increase over current primary agricultural productivity. Closing the common and often large gap between actual and attainable crop yield is critical to achieve this goal. To close yield gaps in both small and large scale cropping systems worldwide we need (1) definitions and techniques to measure and model yield at different levels (actual, attainable, potential) and different scales in space (field, farm, region, global) and time (short and long term); (2) identification of the causes of gaps between yield levels; (3) management options to reduce the gaps where feasible and (4) policies to favour adoption of sustainable gap-closing solutions. The aim of this publication is to critically review the methods for yield gap analysis, hence addressing primarily the first of these four requirements, reporting a wide-ranging and well-referenced analysis of literature on current methods to assess productivity of crops and cropping systems.
Author : Batchelor, C,Hoogeveen, J,Faurès, J.M.,Peiser, L.,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 238 pages
File Size : 52,6 Mb
Release : 2016-01-01
Category : Technology & Engineering
ISBN : 9789251093313
In many regions of the world, sustainable and reliable delivery of water services has become increasingly complex and problematic. Complexities that are very likely to increase, considering the unprecedented confluence of pressures linked to demographic, economic, dietary trends, and climate change. Particularly if overall demand for freshwater exceeds supply, the delivery of water services is often less about engineering, although engineering is still required, and more about politics, governa nce, managing and protecting sources, resolving conflicts about water, ensuring rights to water are respected, and so on. It is also about understanding and monitoring the hydrological cycle at the appropriate scale of analysis. This is where water accounting and auditing can play a crucial role. The rationale behind this water accounting and auditing sourcebook is that scope exists worldwide to improve water-related sectoral and inter-sectoral decision-making at local, regional and national le vels. Water accounting and auditing are recommended by FAO and others as being fundamental to initiatives that aim to cope with water scarcity. This sourcebook aims to provide practical advice on the application and use of water accounting and auditing, helping users planning and implementing processes that best fit their needs.
Author : Salman, M., García-Vila, M., Fereres, E., Raes, D., Steduto, P.
Publisher : Food & Agriculture Org.
Page : 106 pages
File Size : 45,6 Mb
Release : 2021-11-16
Category : Nature
ISBN : 9789251352229
Water resources are linked to the global challenges of food insecurity and poverty, as well as to climate change adaptation and mitigation. In line with the Sustainable Development Goals (SGD), FAO works towards several dimensions of sustainable development, including the promotion of coherent approaches to efficient, productive and sustainable water management, from farm to river basin scales. Accordingly, FAO is enhancing well-informed on-the-ground decision-making processes on water management through projects, knowledge advancement, information-sharing and tools development, such as AquaCrop, the FAO crop-water productivity model. This model assists in assessing the effects of environment (including atmospheric CO2 concentration) and management on crop production through the simulation of yield response to water of herbaceous crops. It is particularly suited to address conditions where water is a key limiting factor in crop production. In 2009, FAO officially launched AquaCrop, being the result of several years of collaborative work among scientists, water and crop specialists and practitioners worldwide, bringing together previously fragmented information on crop yields in response to water use and water deficit. AquaCrop has evolved over the different versions released since its first launch, but it always balances accuracy, simplicity and robustness. This has enabled it to remain faithful to its goal, i.e., to be a dynamic tool accessible to several types of users, mainly practitioner-type end users, in different disciplines and for a wide range of applications. In addition, AquaCrop may be considered a valuable tool by research scientists for analysis and conceptualization.
Author : F. W. T. Penning de Vries,H. Sally,A. Inocencio
Publisher : IWMI
Page : 76 pages
File Size : 45,9 Mb
Release : 2005
Category : Irrigation
ISBN : 9789290906148
This study examines ways to increase food security, reduce poverty and achieve economic growth in sub-Saharan Africa with ‘water’ through increased participation of the private sector and publicprivatepartnerships. This report is a summary of the findings from a review of the literature and critical analysis thereof. The ‘private sector’ includes all farmers, farm households, and agriculture-based micro, small and medium enterprises (MSMEs). That is: all entities involved in crop, livestock and fish production and marketing, in post-harvest activities and food processing, and in supply chains for the goods, services and information used in the process. The study examines different types of agricultural water development and management. These include smallholder subsistence farming, cultivation of profit-oriented high-value crops, and peri-urban agriculture, as well as successful examples of private sector involvement in various functions or processes, including planning, design, construction, operations and maintenance. The spotlight on ‘water’ does not imply that other factors, such as off farm employment, market development and education, are unimportant.
Author : Hilmy Sally,Charles L. Abernethy
Publisher : IWMI
Page : 384 pages
File Size : 49,6 Mb
Release : 2011-10-21
Category : Agricultural development projects
ISBN : 9789290904946
Only 4 percent of arable land in sub-Saharan Africa is irrigated, using just 2 percent of the available water resources. Furthermore, 18 percent of the area equipped for irrigation is not utilized at all and the intensity of use varies between 50 percent and 80 percent. This highlights the huge potential available for intensifying and expanding irrigated area, provided that the investments required can be successfully mobilized. However, it must be noted that if investments in irrigation are to yield satisfactory returns, investments must also be made in a series of related activities. Current global figures for the amount of private investment in irrigation confirm that good returns can indeed be achieved. Prospects for sub-Saharan Africa would be far more favorable if public development assistance, particularly foreign direct investments, did not show declining trends.
Author : International Commission on Irrigation and Drainage,Food and Agriculture Organization of the United Nations. Land and Water Development Division,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 104 pages
File Size : 43,8 Mb
Release : 2004
Category : Business & Economics
ISBN : 9251051747
The consensus among policy-makers in the developing world and aid agencies is that a lack of capacity is constraining the development of irrigated agriculture. Although this concern is not new, it is now receiving much attention in the irrigation and drainage world, where it is becoming an issue in its own right rather than being embedded in infrastructure investment projects. In order to address this issue FAO Land and Water Development Division (AGL) organized a one-day workshop , which brought together a range of case studies from different parts of the world in order to demonstrate that capacity development should be central focus of future strategies on irrigation and drainage. This publication contains a synthesis of the workshop as well as three keynote papers prepared for the workshop based on the available literature and experiences. The complete workshop materials, which include several country papers and complementary documents, are included on a CD-ROM that accompanies this document
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 92 pages
File Size : 41,9 Mb
Release : 2005
Category : Business & Economics
ISBN : 9251054142
The AQUASTAT programme was established to develop a comprehensive picture of water resources and irrigation in developing countries, and to give systematic, up-to-date and reliable information on water for agriculture and development. This report sets out an analysis of water availability and its use on the African continent and changes that have occurred over the last decade, with an emphasis on agricultural water use and management. The report includes a CD-ROM with detailed profiles on the situation in each of the 53 countries in Africa.
Author : Gez Cornish,Barry Bosworth,C. J. Perry,Jacob J. Burke,Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 100 pages
File Size : 43,5 Mb
Release : 2004
Category : Business & Economics
ISBN : 9251052115
This document presents an analysis of experience in irrigation water charging, drawn from published literature and a series of six case studies. These sources provide a broad spectrum of experience from less-developed to more-developed countries. The aim has been to make an assessment of the claims concerning irrigation water charging as a tool for cost recovery (achieving financial sustainability) and demand management (achieving resource sustainability).
Author : Malabo Montpellier Panel
Publisher : Intl Food Policy Res Inst
Page : 64 pages
File Size : 44,5 Mb
Release : 2018-12-18
Category : Political Science
ISBN : 8210379456XXX
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.