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| Author | : Frank van Steenbergen |
| Publisher | : Food & Agriculture Organization of the UN (FAO) |
| Total Pages | : 254 |
| Release | : 2010 |
| Genre | : Science |
| ISBN | : |
Spate irrigation has been largely neglected in the technical literature.
| Author | : Frank van Steenbergen |
| Publisher | : Food & Agriculture Organization of the UN (FAO) |
| Total Pages | : 256 |
| Release | : 2010 |
| Genre | : Science |
| ISBN | : 9789251066089 |
Spate irrigation has been largely neglected in the technical literature.
| Author | : Eiman Mohamed Fadul Bashir |
| Publisher | : CRC Press |
| Total Pages | : 129 |
| Release | : 2020-02-07 |
| Genre | : Science |
| ISBN | : 1000047245 |
Flood based irrigation in particular spate irrigation relies on variable flood scenarios occurring every year. Management of spate flood for spate irrigation must cope with the variability and uncertainty of water supply. Coping with water supply risks is often the only way to harness the opportunities for a productive use of water in arid environment. Integrating and strengthening community responses into irrigation policies and improvement plans could ensure sustainable and productive spate irrigated systems that can achieve food security for the poor population. This research analyses and evaluates risks and coping strategies developed by farming communities in the Gash spate irrigation system in Sudan, Eastern Africa. The research has synthesized different coping strategies developed by farmers, water user associations and water managers to cope with low, high and untimely flood risks. The research provide different frameworks that can assist with the identification of risk sources, pathways and propagation as well as evaluation of locally developed strategies at field, secondary and intake systems. The findings of this study contribute to scarce knowledge on spate irrigation system and provide scientifically sound and evidence-based insights to aid informed policy and decision making to improve productivity and sustainability of the spate irrigation systems.
| Author | : Food and Agriculture Organization of the United Nations |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 120 |
| Release | : 2019-04-15 |
| Genre | : Social Science |
| ISBN | : 9251311315 |
Irrigation has been and will continue to be an agricultural and rural investment priority. Development of the irrigation sector faces multiple challenges, including water scarcity and degradation, competition over shared resources, and the impact of climate change. Innovations are needed to address these challenges, as well as emerging needs, and to promote productive, equitable and sustainable water management. These guidelines, produced by an inter-agency team, highlight experiences and lessons learned from global irrigation investment operations. They introduce innovative approaches, tools and references, and provide practical guidance on how to incorporate or apply them at each stage of the investment project cycle. The guidelines will be a useful resource for national and international professionals involved in irrigation investment operations.
| Author | : Hintsa Libsekal Gebremariam |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 80 |
| Release | : 2015-02-27 |
| Genre | : |
| ISBN | : 9783659421471 |
Over the last 15 years, traditional spate irrigation system was modernizing by different governmental and non-governmental projects. None of this modernized schemes were achieved their objectives and most of these was failed due to siltation and less spate flow. The main problem was adoption of designs parameter from normal irrigation system. Spate irrigation system is unique and different from other irrigation systems and needs special attention to develop appropriate design standards. This book, therefore, provides new design alternatives of spate irrigation to minimize sedimentation hazards and increase spate flow to the schemes. After detailed study of design development and their limitations four alternatives of design parameters were developed. These alternatives were analyzed using a software model of Delft3D and the best design alternative was recommended to implement on ground. The study should help shed some light on this new and exciting design standard, and should be especially useful to professionals and experts in the field spate irrigation engineering, or anyone else who may be wants to know about characteristics and challenges of spate irrigation systems.
| Author | : Food and Agriculture Organization of the United Nations |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 70 |
| Release | : 2021-01-22 |
| Genre | : Technology & Engineering |
| ISBN | : 925133708X |
The Food and Agriculture Organization of the United Nations (FAO) developed these guidelines with the overall objective to protect and improve the productivity of the ruminant livestock species of South Sudan. Focussing on the best use of local feed resources, the guidelines mainly target livestock extension workers promoting livestock feed development good practices to pastoral and agropastoral communities as well as the emerging market-oriented smallholder livestock producers. This document also serves as an important tool for advancing the policy and strategic priority actions of the East Africa Animal Feed Action Plan (FAO and IGAD, 2019) and the draft National Livestock Development Policy of South Sudan.
| Author | : Andreas Phocaides |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 300 |
| Release | : 2007 |
| Genre | : Technology & Engineering |
| ISBN | : 9789251058176 |
Increasing the efficiency of water use and enhancing agricultural water productivity at all levels of the production chains are becoming priorities in a growing number of countries. In particular, shifting to modern on-farm irrigation practices can contribute to a substantial increase in both water use efficiency and water productivity. The objective of this handbook is to provide a practical guide on the use of pressurized irrigation techniques to farmers, irrigation technicians, and extension workers in the field. In this second edition, the handbook has been considerably revised, including new chapters on low-cost drip irrigation and pipe distribution systems for smallholders.--Publisher's description.
| Author | : Kassahun Birhanu Tadesse |
| Publisher | : |
| Total Pages | : |
| Release | : 2018 |
| Genre | : Science |
| ISBN | : |
Although the spate irrigation system is an ancient practice, it is only in the past very few decades the system has undergone little modernization interventions. However, these interventions were mostly in the aspects of heavy investment in the sophisticated head works for improving flood water diversion efficiency. In many cases, the modernization interventions were not successful due to various problems such as heavy sedimentation, high flood, disturbed local water distribution rules, or the new designs were not coherent with home-grown practices. On the other hand, successful improvements incorporate less labor intensive and relatively permanent structures with the advantages of conventional systems without considerably altering the approach of the spate irrigation practice. Thus, in this chapter, the techniques of improving traditional spate irrigation systems were reviewed. Farmer-implemented improved traditional spate irrigation systems: flow diversions; canals and control structures; management of sediment, field water, and soil moisture and agronomic practices; reactive water rights and distribution rules were assessed. Therefore, this chapter helps as a reference material for teaching, training and research activities, and it plays a great role in the efforts of sustainable spate irrigation systems development, rehabilitation and management programs.
| Author | : Gillet, V., Biancalani, R. |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 48 |
| Release | : 2022-05-23 |
| Genre | : Technology & Engineering |
| ISBN | : 9251358192 |
These guidelines are intended to assist countries in understanding the agronomic parameters involved in the computation of the agricultural component of the Sustainable Development Goal (SDG) indicator 6.4.1 on the change in water use efficiency over time. They provide a detailed explanation of the calculation process for calculation by countries willing to generate a more accurate estimation using their national data. The guidelines provide the minimum standard method using an estimated or default value proposed by FAO, as well as the available methodologies to progressively improve the accuracy through a monitoring ladder for countries that have more comprehensive and accurate data on their main crops areas and productions.
| Author | : Food and Agriculture Organization of the United Nations |
| Publisher | : Food & Agriculture Org. |
| Total Pages | : 80 |
| Release | : 2018-08-09 |
| Genre | : Social Science |
| ISBN | : 925109831X |
Over the last few years, agribusinesses, investment funds and government agencies have demonstrated a growing interest in acquiring large portions of land, mostly in developing countries and particularly in sub-Saharan Africa. In the host countries, investors and government see these acquisitions as opportunities to attract foreign investment that will enhance food and energy security and stimulate socio-economic development. Analysing a number of these deals in Africa suggests that these objectives are usually not attained and that their sustainability appears to be uncertain.
