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98588

SITE-SPECIFIC PIVOT SPRINKLER ASSESSED FOR SAVING WATER IN AGRICULTURE

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Last updated: 04 Jan 2025

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Abstract

All center pivot systems currently available from the manufacturers can apply different rates of water during irrigation by varying speed. However, these systems generally cannot change the application rate along the length of the pivot boom. The whole system can speed up to apply less water or slow down to apply more. If a pivot is simultaneously crossing areas that are wet (drainage area) and dry (sandy), then a traditional system would have to address one problem of over- or under-irrigate one area or another. Conversely, a variable-rate pivot could apply less water to the wet area and more to the dry area at the same time. The system at the current study is a true variable rate center pivot. The system was developed and tested for two years where the water saving and sugar beet production were measured. Due to the dry weather in most of a season, the differences were clearer than the high rainy year during another season. The results indicated water saving in the second season (102 mm) while low change existed in water use in the first season (36 mm).  Sugar beet and sugar production were similar under full irrigation (100% of water balance) and VRI (80% of water balance) for loamy soil (medium quality) for both two seasons, which means that we can obtain the same production with water saving.   

DOI

10.21608/mjae.2015.98588

Keywords

Variable rate irrigation, Water saving, Sugar beet, site-specific pivot

Authors

First Name

Harby

Last Name

Mostafa

MiddleName

-

Affiliation

Agric. and Biosys. Eng. Dept., Faculty of Agriculture, Benha University, Egypt.

Email

harby.mostafa@fagr.bu.edu.eg

City

-

Orcid

0000-0001-6034-5965

First Name

H-H

Last Name

Thormann

MiddleName

-

Affiliation

Federal Research Institute for Rural Areas, Forestry and Fisheries, Institute of Agricultural Technology, Braunschweig, Germany

Email

-

City

-

Orcid

-

Volume

32

Article Issue

2

Related Issue

14964

Issue Date

2015-04-01

Receive Date

2020-06-27

Publish Date

2015-04-01

Page Start

571

Page End

588

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 32_Issue 2_Pages 571-588.pdf

PDF . 1.1MB

Link

https://mjae.journals.ekb.eg/article_98588.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=98588

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

SITE-SPECIFIC PIVOT SPRINKLER ASSESSED FOR SAVING WATER IN AGRICULTURE

Details

Type

Article

Created At

23 Jan 2023