FAO IRRIGATION AND DRAINAGE PAPERS
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1 |
Irrigation practice and water management, 1972 (Ar* E* F* S*) |
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1 Rev. 1 |
Irrigation practice and water management, 1984 (E) |
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2 |
Irrigation canal lining, 1971 (New edition, 1977, available in E, F and S in the FAO Land and Water Development Series, No. 1) |
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3 |
Design criteria for basin irrigation systems, 1971 (E*) |
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4 |
Village irrigation programmes - a new approach in water economy, 1971 (E* F) |
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5 |
Automated irrigation, 1971 (E* F* S*) |
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6 |
Drainage of heavy soils, 1971 (E* F S*) |
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7 |
Salinity seminar, Baghdad, 1971 (E* F) |
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8 |
Water and the environment, 1971 (E* F* S*) |
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9 |
Drainage materials, 1972 (E* F* S*) |
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10 |
Integrated farm water management, 1971 (E* F* S*) |
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11 |
Planning methodology seminar, Bucharest, 1972 (E* F*) |
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12 |
Farm water management seminar, Manila, 1972 (E*) |
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13 |
Water use seminar, Damascus, 1972 (E* F*) |
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14 |
Trickle irrigation, 1973 (E* F* S*) |
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15 |
Drainage machinery, 1973 (E* F*) |
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16 |
Drainage of salty soils, 1973 (C* E* F* S*) |
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17 |
Man's influence on the hydrological cycle, 1973 (E* F* S*) |
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18 |
Groundwater seminar, Granada, 1973 (E* F S) |
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19 |
Mathematical models in hydrology, 1973 (E) |
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20/1 |
Water laws in Moslem countries - Vol. 1, 1973 (E* F) |
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20/2 |
Water laws in Moslem countries - Vol. 2, 1978 (E F) |
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21 |
Groundwater models, 1973 (E) |
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22 |
Water for agriculture - index, 1973 (E/F/S*) |
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23 |
Simulation methods in water development, 1974 (E F*S*) |
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24 |
Crop water requirements, (rev.) 1977 (C* E F S) |
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25 |
Effective rainfall, 1974 (C* E* F* S*) |
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26/1 |
Small hydraulic structures - Vol. 1, 1975 (E F S) |
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26/2 |
Small hydraulic structures - Vol. 2, 1975 (E F S) |
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27 |
Agro-meteorological field stations, 1976 (E F* S*) |
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28 |
Drainage testing, 1976 (E F S) |
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29 |
Water quality for agriculture, 1976 (E* F* S*) |
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29 Rev. 1 |
Water quality for agriculture, 1985 (C** E F S) |
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30 |
Self-help wells, 1977 (E) |
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31 |
Groundwater pollution, 1979 (C* E S) |
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32 |
Deterministic models in hydrology, 1979 (E) |
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33 |
Yield response to water, 1979 (C* E F S) |
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34 |
Corrosion and encrustation in water wells, 1980 (E) |
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35 |
Mechanized sprinkler irrigation, 1982 (C E F S) |
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36 |
Localized irrigation, 1980 (Ar C E F S) |
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37 |
Arid zone hydrology, 1981 (C** E*) |
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38 |
Drainage design factors, 1980 (Ar C E F S) |
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39 |
Lysimeters, 1982 (C E F S) |
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40 |
Organization, operation and maintenance of irrigation schemes, 1982 (C** E F S**) |
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41 |
Environmental management for vector control in rice fields, 1984 (E F S) |
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42 |
Consultation on irrigation in Africa, 1987 (E F) |
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43 |
Water lifting devices, 1986 (E) |
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44 |
Design and optimization of irrigation distribution networks, 1988 (E F) |
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45 |
Guidelines for designing and evaluating surface irrigation systems, 1989 (E) |
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46 |
CROPWAT - a computer program for irrigation planning and management, 1992 (E F S) |
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47 |
Wastewater treatment and use in agriculture, 1992 (E) |
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48 |
The use of saline waters for crop production, 1993 (E) |
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49 |
CLIMWAT for CROPWAT, 1993 (E) |
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50 |
Le pompage éolien, 1994 (F) |
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51 |
Prospects for the drainage of clay soils, 1995 (E) |
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52 |
Reforming water resources policy - A guide to methods, processes and practices, 1995 (E) |
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53 |
Environmental impact assessment of irrigation and drainage projects, 1995 (A) |
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54 |
Crues et apports, 1996 (F) |
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55 |
Control of water pollution from agriculture, 1996 (E S) |
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56 |
Crop evapotranspiration - Guidelines for computing crop water requirements, 1998 (E) |
Availability: December 1998
Ar - Arabic
C - Chinese
E - English
F - French
P - Portuguese
S - Spanish
Multil - Multilingual
* - Out of print
** - In preparation
The FAO Technical Papers are available through the authorized FAO Sales Agents or directly from Sales and Marketing Group, FAO, Viale delle Terme di Caracalla, 00100 Rome, Italy.
This publication presents an updated procedure for calculating reference and crop evapotranspiration from meteorological data and crop coefficients. The procedure, first presented in FAO Irrigation and Drainage Paper No. 24, Crop water requirements, in 1977, allows estimation of the amount of water used by a crop, taking into account the effect of the climate and the crop characteristics. The publication incorporates advances in research and more accurate procedures for determining crop water use as recommended by a panel of high-level experts organized by FAO in May 1990. The first part of the guidelines includes procedures for determining reference crop evapotranspiration according to the FAO Penman-Monteith method. These are followed by updated procedures for estimating the evapotranspiration of different crops for different growth stages and ecological conditions.
