Applied Math and Science Education Repository - Crop Evapotranspiration - Guidelines for Computing Crop Water Requirements

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Title:

Crop Evapotranspiration - Guidelines for Computing Crop Water Requirements

Url:

https://www.fao.org/3/X0490E/x0490e00.htm

Creator:

Allen, Richard G.
Pereira, Luis S.
Raes, Dirk.
Smith, Martin

Publisher:

Natural Resources Management and Environment Department

Description: This publication presents an updated procedure for calculating reference and crop evapotranspiration from meteorological data and crop coefficients. The procedure, first presented in the FAO Irrigation and Drainage Paper No. 24 'Crop Water Requirements', is termed the 'Kc ETo' approach, whereby the effect of the climate on crop water requirements is given by the reference evapotranspiration ETo and the effect of the crop by the crop coefficient Kc. Other procedures developed in FAO Irrigation and Drainage Paper No. 24 such as the estimation of dependable and effective rainfall, the calculation of irrigation requirements and the design of irrigation schedules are not presented in this publication but will be the subject of later papers in the series.

LC Classification:

Agriculture -- Agriculture (General) -- Agricultural meteorology. Crops and climate
Agriculture -- Agriculture (General) -- Agricultural meteorology. Crops and climate -- Special topics, A-Z -- Evapotranspiration
Agriculture -- Agriculture (General) -- Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands -- Special classes of lands and reclamation methods -- Moors, marshes, etc. Drainage and ditching
Agriculture -- Plant culture -- Horticulture. Horticultural crops -- Physiology -- Water requirements. Irrigation

GEM Subject:

Science
Health
Science -- Technology
Science -- Agriculture
Health -- Environmental health

Key Concept:

Agriculture
Agriculture -- Biotechnology
Agriculture -- Irrigation

Resource Type:

Reference Material

Format:

Document -- HTML

Audience:

Educator
Learner

Education Level:

Higher Education
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Undergraduate (Upper Division)
Higher Education -- Technical Education (Upper Division)
Higher Education -- Technical Education (Lower Division)
Vocational/Professional Development Education

Language:

English

Access Rights:

Free access

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Source:

GROW

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