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174942

IMPACT OF CHEMICAL AND NATURAL WATER SAVING SOIL AMENDMENTS ON GROWTH, YIELD AND WATER USE EFFICIENCY OF ''WASHINGTON NAVEL'' ORANGE TREES UNDER DEFICIT IRRIGATION CONDITIONS

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Last updated: 04 Jan 2025

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Abstract

Due to the limited water resources, it is necessary to study the best ways to reduce the use of irrigation water, increase the efficiency of water use without affecting the growth of trees and maintain the production of citrus productivity under these circumstances. Afield experiment was conducted during 2015 and 2016 seasons at El-Nubaria region, Beheira Governorate to investigate the effect of three irrigation water  regimes (100, 75 and 50% of actual irrigation practiced in the orchard) and soil application of  hydrogel (50 and 100g/tree) and organic  plant residues (3.5 and 6.5kg/tree) as chemical and natural water absorbing soil amendments on growth, yield and water use efficiency on ''Washington Navel'' orange trees  grown on a sandy soil under drip irrigation system. The obtained results point out that, applied organic  plant residues at rate 6.5 kg/tree or 100g/tree hydrogel under moderate irrigation rate (T5 and T3) significantly increased the most growth parameters (canopy volume, number of shoots/branch and leaf area) , fruit set,  leaf relative water content and decrease fruit drop%. Moderate irrigation rate + 100g/tree hydrogel (T3) and control (T1) were the best treatments in increasing leaf N,P,K and Ca contents. The highest yield (78.8 and78.47) and (80.36 and 79.06 kg/tree) was obtained by T3 and T5 in 2015 and 2016 seasons, respectively. All treatments increased water use efficiency especially T9 (5.64 and 5.46 kg/m3) compared with the control which recorded the lowest values (3.16 and 2.93 kg/m3).  Control (T1) followed by T3 and T5 tended to improve the physical fruit properties meanwhile T8 and T9 increased the most of chemical fruit quality. The lowest fruit splitting% (6.58 and 5.87 %) coated with T3 and T5. Soil microorganisms content and dehydrogenase activity were increased under moderate irrigation rate + 3.5 or 6.5 organic plant residues (T4 and T5) compared to the control (T1).

DOI

10.21608/mjppf.2019.174942

Keywords

Water absorbing soil amendments, citrus trees, Growth, yield and fruit splitting

Authors

First Name

M.M.S. Abo

Last Name

El-Enien

MiddleName

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Affiliation

Citrus Research Department, Hort. Res. Instit. ARC. Giza, Egypt.

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Orcid

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First Name

E.A.

Last Name

Moursi

MiddleName

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Affiliation

Soils, Water and Environment Research Institute. ARC. Giza, Egypt.

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Volume

4

Article Issue

5

Related Issue

25385

Issue Date

2019-10-01

Receive Date

2021-06-03

Publish Date

2019-10-01

Page Start

319

Page End

337

Print ISSN

2357-0830

Online ISSN

2735-346X

Article File

MJPPF_Volume 4_Issue 5_Pages 319-337.pdf

PDF . 295.4kB

Link

https://mjppf.journals.ekb.eg/article_174942.html

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https://mjppf.journals.ekb.eg/service?article_code=174942

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5

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original papers

Type Code

1,393

Publication Type

Journal

Publication Title

Menoufia Journal of Plant Production

Publication Link

https://mjppf.journals.ekb.eg/

MainTitle

IMPACT OF CHEMICAL AND NATURAL WATER SAVING SOIL AMENDMENTS ON GROWTH, YIELD AND WATER USE EFFICIENCY OF ''WASHINGTON NAVEL'' ORANGE TREES UNDER DEFICIT IRRIGATION CONDITIONS

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Article

Created At

23 Jan 2023