Download Water Productivity in Agriculture: Limits and Opportunities by Jacob W Kijne, Randolph Barker, David J Molden PDF

By Jacob W Kijne, Randolph Barker, David J Molden

First name in a huge new seriesAddresses enhancing water productiveness to alleviate difficulties of shortage and pageant to supply for foodstuff and environmental securityDraws from scientists having a mess of disciplines to strategy this significant problemIn lots of constructing international locations, coverage makers and researchers are more and more conscious of the conflicting calls for on water, and think about agriculture to be more desirable in its use of water. concentrating on either irrigated and rain-fed agriculture, this booklet provides a state-of-the-art assessment of the boundaries and possibilities for making improvements to water productiveness in crop creation. It demonstrates how potency of water use could be more advantageous to maximise yields. The publication represents the 1st in a brand new sequence of volumes caused by the excellent review of Water administration in Agriculture, a examine application performed through the CGIAR's destiny Harvest Centres, the nutrients and Agriculture association of the United countries and companions around the world. will probably be of vital curiosity to these operating in components of soil and crop technology, water administration, irrigation, and improvement reports.

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Water Productivity in Agriculture: Limits and Opportunities for Improvement (Comprehensive Assessment of Water Management in Agriculture Series, 1)

First identify in an immense new seriesAddresses bettering water productiveness to alleviate difficulties of shortage and festival to supply for meals and environmental securityDraws from scientists having a mess of disciplines to process this significant problemIn a number of constructing international locations, coverage makers and researchers are more and more conscious of the conflicting calls for on water, and view agriculture to be more suitable in its use of water.

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Extra resources for Water Productivity in Agriculture: Limits and Opportunities for Improvement (Comprehensive Assessment of Water Management in Agriculture Series, 1)

Sample text

Gland, Switzerland. IWMI (International Water Management Institute) (2000) World water supply and demand 1995 to 2025 (draft). International Water Management Institute, Colombo, Sri Lanka. htm. IWMI and GDRS (General Directorate of Rural Services) (2000) Irrigation in the Basin Context: the Gediz River Basin Study, Turkey. International Water Management Institute, Colombo, Sri Lanka. J. and Rijsberman, F. (2001) Assuring water for food and environmental security. Paper presented at the CGIAR Mid-Term Meeting 2001 in Durban, South Africa, on 26 May.

Benefits could be reduced fee payments for water or water services, or deriving a benefit from reducing the adverse effects of getting too much water, such as waterlogging. We can therefore conclude that, if waterproductivity increases at farm level result in individual demand refusals, it will be difficult to capture the unused water in a system- atic manner. As a result, we shall not see many system-level changes in water productivity, even though there may be apparent savings at the field and farm levels.

Reducing per-hectare water supply by reducing target discharges with continuous flow and maintaining total number of days of irrigation supply. ● Reducing per-hectare water supply by reducing target discharges with continuous flow and also reducing total number of days of irrigation supply. ● Reducing water allocation by reducing number of days of irrigation (rotation), maintaining target discharges and maintaining total number of days of irrigation supply. ● Reducing water allocation by reducing number of days of irrigation (rotation), maintaining target discharges and reducing total number of days of irrigation supply.

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