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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 76
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Book Description
Author: Harry French Blaney
Publisher:
ISBN:
Category : Evaporation (Meteorology)
Languages : en
Pages : 70
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Book Description
Author: Leonard J. Erie
Publisher:
ISBN:
Category : Crops
Languages : en
Pages : 50
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Book Description
Author: David Molden
Publisher: IWMI
ISBN: 9290904259
Category : Irrigation
Languages : en
Pages : 34
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Book Description
Discusses and illustrates concepts for identifying ways of improving productivity of water within basins. The results of applying a water accounting procedure to four sub-basins in South Asia (Bhakra in India; Chishtian in Pakistan; Huruluwewa in nothern Sri Lanka; and Kirindi Oya in southern Sri Lanka) are presented. The methodology used identifies the quantities and productivity of various uses of water within a basin. This information is then used to identify the water-saving potential, and the means of improving the productivity of the managed supplies.
Author: Wayne D. Criddle
Publisher:
ISBN:
Category : Irrigation farming
Languages : en
Pages : 52
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Book Description
Author: Rick G. Allen
Publisher: Amer Society of Civil Engineers
ISBN: 9780784408056
Category : Mathematics
Languages : en
Pages : 216
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Book Description
This Task Committee report provides standardized equations for calculating reference evapotranspiration (ET) from weather data and procedures for quality assessment and control of weather data. The purpose of the standardized reference ET equation and calculation procedures is to bring commonality to the calculation of reference ET and to provide a standardized basis for determining or transferring crop coefficients for agriculture and landscape use. The basis of the standardized reference ET equation is the ASCE Penman-Monteith (ASCE-PM) method Manual 70. Along with applications for the ASCE-PM method, this report includes recommended calculations for vapor pressure, net radiation and wind speed adjustment, and guidelines on assessing weather data integrity and estimating values for missing data. The development of this standardized report by the Environmental and Water Resources Committee (EWRI) of ASCE, was made at the request of, and has been endorsed by, the Irrigation Association.
Author: American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 236
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Book Description
Author: Mark W. Rosegrant
Publisher: Intl Food Policy Res Inst
ISBN: 0896296466
Category : Business & Economics
Languages : en
Pages : 36
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Book Description
A thirsty world; Alternative futures for water; Consequences of key policy changes; Implications for the future.
Author: Harry French Blaney
Publisher:
ISBN:
Category : Evapotranspiration
Languages : en
Pages : 126
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Book Description
Author: J. Doorenbos
Publisher:
ISBN:
Category : Crops
Languages : en
Pages : 202
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Book Description
Calculation of crop evapotranspiration; Selection of crop coeficient; Calculation of field irrigation requirements.
