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Author: Fitsum Hagos
Publisher: IWMI
ISBN: 9290907010
Category : Irrigation farming
Languages : en
Pages : 42
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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.
Author: Fitsum Hagos
Publisher: IWMI
ISBN: 9290907010
Category : Irrigation farming
Languages : en
Pages : 42
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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.
Author: Wolfram Schlenker
Publisher: University of Chicago Press
ISBN: 022661980X
Category : Business & Economics
Languages : en
Pages : 316
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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.
Author: Christopher Scott
Publisher: Cabi
ISBN: 9781845934514
Category : Technology & Engineering
Languages : en
Pages : 0
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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.
Author: Seleshi Bekele Awulachew
Publisher: IWMI
ISBN: 9290906804
Category : Irrigation
Languages : en
Pages : 82
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Book Description
Irrigation programs / Water use / Reservoirs / Lakes / River basins / Water potential / Water resources
Author: Robert Autobee
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 50
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Book Description
Author: Markus Quante
Publisher: Springer
ISBN: 3319397451
Category : Science
Languages : en
Pages : 555
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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.
Author: Leslie F. Sheffield
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 432
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Book Description
Author:
Publisher:
ISBN:
Category : Water transfer
Languages : en
Pages : 0
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Book Description
Author: Suhas Pralhad Wani
Publisher: CABI
ISBN: 1845933893
Category : Technology & Engineering
Languages : en
Pages : 326
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Book Description
This book, which contains 14 chapters, covers all aspects of rainfed agriculture, starting with its potential, current status, rainwater harvesting and supplementary irrigation, to policies, approaches, institutions for upscaling, and impacts of integrated water management programmes in rainfed areas.
Author: Douglas Helms
Publisher:
ISBN:
Category : Soil conservation
Languages : en
Pages : 178
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Book Description
