Importance of irrigated agriculture to the Ethiopian economy: capturing the direct net benefits of irrigation


Book Description

Irrigation development has been identified as a means to stimulate economic growth and rural development in Ethiopia. However, little attempt has been made to quantify the contribution of irrigation to national income. Using data from selected irrigation schemes, representing small, medium and large-scale schemes of modern or traditional typologies; the present coverage and planned growth of irrigation, actual and expected contributions of irrigation to the national economy were quantified following the approach of adjusted gross margin analysis. Our results show that irrigation yields 219.7% higher income compared to the rainfed system while its current and future contribution to agricultural GDP is estimated to be about 5.7 and 12% although irrigation covers about 5 and 9% of the total cultivated land area, respectively.




Water resources and irrigation development in Ethiopia


Book Description

Irrigation programs / Water use / Reservoirs / Lakes / River basins / Water potential / Water resources




Agricultural Productivity and Producer Behavior


Book Description

Agricultural yields have increased steadily in the last half century, particularly since the Green Revolution. At the same time, inflation-adjusted agricultural commodity prices have been trending downward as increases in supply outpace the growth of demand. Recent severe weather events, biofuel mandates, and a switch toward a more meat-heavy diet in emerging economies have nevertheless boosted commodity prices. Whether this is a temporary jump or the beginning of a longer-term trend is an open question. Agricultural Productivity and Producer Behavior examines the factors contributing to the remarkably steady increase in global yields and assesses whether yield growth can continue. This research also considers whether agricultural productivity growth has been, and will be, associated with significant environmental externalities. Among the topics studied are genetically modified crops; changing climatic factors; farm production responses to government regulations including crop insurance, transport subsidies, and electricity subsidies for groundwater extraction; and the role of specific farm practices such as crop diversification, disease management, and water-saving methods. This research provides new evidence that technological as well as policy choices influence agricultural productivity.




Management of Water Use in Agriculture


Book Description

As the world population increases, there is increasing competition for waterquantity as well as quality. Provided here is an up-to-date perspective on Available Water Resources (Part I), Water Conservation and Technology inAgricultural Systems (Part II), Problem Water Uses and Treatment (Part III),and Management and Policy Evaluation (Part IV). The book is an invaluable source of information for water resource planners, managers and policy makers, researchers and students, and irrigationists.




North Sea Region Climate Change Assessment


Book Description

This book offers an up-to-date review of our current understanding of climate change in the North Sea and adjacent areas, as well as its impact on ecosystems and socio-economic sectors. It provides a detailed assessment of climate change based on published scientific work compiled by independent international experts from climate-related disciplines such as oceanography, atmospheric sciences, marine and terrestrial ecology, using a regional evaluation and review process similar to that of the Intergovernmental Panel on Climate Change (IPCC). It provides a comprehensive overview of all aspects of our changing climate, discussing a wide range of topics including past, current and future climate change, and climate-related changes in marine, terrestrial and freshwater ecosystems. It also explores the impact of climate change on socio-economic sectors such as fisheries, agriculture, coastal zone management, coastal protection, urban climate, recreation/tourism, offshore activities/energy, and air pollution.




Pricing Irrigation Water


Book Description

As globalization links economies, the value of a country's irrigation water becomes increasingly sensitive to competitive forces in world markets. Water policy at the national and regional levels will need to accommodate these forces or water is likely to become undervalued. The inefficient use of this resource will lessen a country's comparative advantage in world markets and slow its transition to higher incomes, particularly in rural households. While professionals widely agree on what constitutes sound water resource management, they have not yet reached a consensus on the best ways of implementing policies. Policymakers have considered pricing water - a debated intervention - in many variations. Setting the price 'right,' some say, may guide different types of users in efficient water use by sending a signal about the value of this resource. Aside from efficiency, itself an important policy objective, equity, accessibility, and implementation costs associated with the right pricing must be considered. Focusing on the examples of China, Mexico, Morocco, South Africa, and Turkey, Pricing Irrigation Water provides a clear methodology for studying farm-level demand for irrigation water. This book is the first to link the macroeconomics of policies affecting trade to the microeconomics of water demand for irrigation and, in the case of Morocco, to link these forces to the creation of a water user-rights market. This type of market reform, the contributors argue, will result in growing economic benefits to both rural and urban households.




Wastewater Use in Irrigated Agriculture


Book Description

The use of urban wastewater in agriculture is receiving renewed attention, with the increasing scarcity of fresh water resources in many arid and semi-arid regions of the world. Wastewater is a low-cost alternative to conventional irrigation water, although it may carry health and environmental risks. This book critically reviews experience worldwide of these issues. Emphasis is placed on untreated wastewater use by means of field-based case studies from Asia, Africa, the Middle East and Latin America. It brings together a range of perspectives including economic, health, agronomic, environmental, institutional, and policy dimensions.




Handbook of Agricultural Economics


Book Description

Volume 3 of this series of the Handbooks in Economics follows on from the previous two volumes by focusing on the fundamental concepts of agricultural economics. The first part of the volume examines the developments in human resources and technology mastery. The second part follows on by considering the processes and impact of invention and innovation in this field. The effects of market forces are examined in the third part, and the volume concludes by analysing the economics of our changing natural resources, including the past effects of climate change.Overall this volume forms a comprehensive and accessible survey of the field of agricultural economics and is recommended reading for anyone with an interest, either academic or professional, in this area.*Part of the renown Handbooks in Economics series*Contributors are leaders of their areas*International in scope and comprehensive in coverage




Irrigation Water Pricing


Book Description

Much hope has been vested in pricing as a means of helping to regulate and rationalize water management, notably in the irrigation sector. The pricing of water has often been applied universally, using general and ideological policies, and not considering regional environmental and economic differences. Almost 15 years after the emphasis laid at the Dublin and Rio conferences on treating water as an economic good, a comprehensive review of how such policies have helped manage water resources an irrigation use is necessary. The case-studies presented here offer a reassessment of current policies by evaluating their objectives and constraints and often demonstrating their failure by not considering the regional context. They will therefore contribute to avoiding costly and misplaced reforms and help design water policies that are based on a deeper understanding of the factors which eventually dictate their effectiveness.




World Water and Food to 2025


Book Description

A thirsty world; Alternative futures for water; Consequences of key policy changes; Implications for the future.