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IMPACT OF DROUGHT ON POTATO YIELD QUALITY, WATER PRODUCTIVITY, AND PROFIT UNDER SURFACE VS. SUBSURFACE DRIP IRRIGATION

Article

Last updated: 26 Dec 2024

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Subjects

-

Tags

Agricultural Irrigation and Drainage Engineering

Abstract

Agriculture face challenges from water allocation and complications arising out of the climatic changes. Field experiments were conducted at Demo Farm, Faculty of Agriculture, Fayoum University. Potato seeds were planted in two seasons (2020 and 2021). The treatments are three deficit irrigations (DI) {I1, I2 and I3 (100, 80 and 60% of ETc)}, two partial root zone drying (PRD) practices (single and double laterals), and three buried depth laterals {surface, and subsurface drip irrigation (SDI) with depths of 15 and 30 cm}. Tuber size and its physical properties, water productivity (WP), and profit net (PN) were determined. Results indicated the greater grade size of tubers was at 30-60 mm. At size 30-60 mm, the highest values of tuber yield, real density and PN were 31.942 t/ha, 1.087 g/cm3, and 274906 L.E./ha, respectively, and they were recorded at I1 under PRD and buried depth of 15 cm. The highest value of WP was 13.82 kg/m3, and it was recorded with I3, PRD under SDI with buried depth of 15 cm. When irrigation water applied (IWA) decreased by 20% and 40%, the potato yield decreased by 8.65% and 29.57%, respectively. When irrigation water is abundant, it could be using treatment I1, PRD irrigation and SDI with buried depths of 15 cm to reach the highly significant yield and PN. While, under shortage of water resources, using treatment I2, PRD irrigation, and SDI with buried depth of 15 cm to save 20% of IWA with a decrease of 8% in the potato yield.    

DOI

10.21608/mjae.2024.316503.1145

Keywords

Deficit Irrigation, Partial Root zone Drying, yield quality water productivity, profit net, surface and subsurface drip irrigation

Authors

First Name

M.

Last Name

Ali

MiddleName

M.

Affiliation

Assoc. Prof., Ag. Eng. Dept., Fac. of Ag., Fayoum U., Fayoum, Egypt.

Email

mma12@fayoum.edu.eg

City

Fayoum

Orcid

-

First Name

A.

Last Name

Abd El-Aziz

MiddleName

A.

Affiliation

Prof., Ag. Eng. Dept., Fac. of Ag., Ain Shams U., Cairo, Egypt.

Email

ah1960072@yahoo.com

City

Cairo

Orcid

-

First Name

Y.

Last Name

Ibrahim

MiddleName

A. M.

Affiliation

Grad. stud., Ag. Eng. Dept., Fac. of Ag., Fayoum U., Fayoum, Egypt.

Email

ya1112@fayoum.edu.eg

City

الفيوم

Orcid

-

Volume

41

Article Issue

4

Related Issue

50608

Issue Date

2024-10-01

Receive Date

2024-08-29

Publish Date

2024-10-01

Page Start

299

Page End

322

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 41_Issue 4_Pages 299-322.pdf

PDF . 836.3kB

Link

https://mjae.journals.ekb.eg/article_381240.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=381240

Order

3

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

IMPACT OF DROUGHT ON POTATO YIELD QUALITY, WATER PRODUCTIVITY, AND PROFIT UNDER SURFACE VS. SUBSURFACE DRIP IRRIGATION

Details

Type

Article

Created At

26 Dec 2024