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LANDSCAPE COEFFICIENT TO DETERMINE WATER REQUIREMENT FOR A COMPUTER MODEL

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Last updated: 04 Jan 2025

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Abstract

The two factors used to determine landscape water requirement (ETL), the landscape coefficient and reference evapotranspiration, are solely responsible for producing differences in water loss estimates. For plantings in the same location (i.e., where the same ETo values will be used), the differences will arise solely from the landscape coefficient. To produce useful estimates of water loss, therefore, it is important to carefully determine the value of KL. In agriculture, irrigation water requirements are well established for many crops. In urban landscapes, irrigation requirements have been determined for turf grasses, but not for most landscape species. This study adapts this method for application to landscape plantings. The method used for estimating water needs for landscape plantings is basically the same as that used for crops and turfgrasses. One key change, however, has been made: instead of using the crop coefficient (Kc), a landscape coefficient (KL) has been substituted. The main objective of this work is building computer program to determine water requirement for some multi-plant landscape and modern system for their irrigation. Audit in the accounts of landscape coefficient (KL) closest to the prevailing conditions by application "Landscape Irrigation Scheduling" program outputs, led to save water use by 60% for landscape plants in Giza (latitude 30o 05', longitude 31o12') with good appearance and growth for landscape plants and grass. The program could offer a simple tool for planning ornamental plants and turf grass water requirements for landscape projects.

DOI

10.21608/mjae.2014.98921

Keywords

Water requirement, Landscape Coefficient, Evapotranspiration, microclimate, Ornamental plants, Landscape

Authors

First Name

A. A.

Last Name

Radwan

MiddleName

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Affiliation

Grad. Student

Email

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City

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Orcid

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First Name

M. N.

Last Name

El Awady

MiddleName

-

Affiliation

Prof. Emt. , Ag. Eng., Ain-Shams Univ.,Col. Ag., Egypt.

Email

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City

-

Orcid

-

First Name

K. F.

Last Name

El Bagoury

MiddleName

-

Affiliation

Ascoc, Prof. of Ag. Eng., Ain-Shams Univ.,Col. Ag., Egypt.

Email

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City

-

Orcid

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First Name

W. M.

Last Name

Sultan

MiddleName

-

Affiliation

Res. Ag. Eng., Inst. of Ag. Eng. Res., ARC, Egypt.

Email

-

City

-

Orcid

-

First Name

A. K.

Last Name

Mohamed

MiddleName

-

Affiliation

Asst. Prof. Hortic, Ain-Shams Univ., Egypt.

Email

-

City

-

Orcid

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Volume

31

Article Issue

3

Related Issue

14934

Issue Date

2014-07-01

Receive Date

2020-06-28

Publish Date

2014-07-01

Page Start

885

Page End

896

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 31_Issue 3_Pages 885-896.pdf

PDF . 1.3MB

Link

https://mjae.journals.ekb.eg/article_98921.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=98921

Order

11

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

LANDSCAPE COEFFICIENT TO DETERMINE WATER REQUIREMENT FOR A COMPUTER MODEL

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Article

Created At

23 Jan 2023