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197510

EFFECT OF NITROGEN SOURCE AND QUANTITY ON YIELD AND ITS QUALITY OF SPINACH

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Last updated: 28 Dec 2024

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Abstract

The research aims to evaluate the influence of nitrogen source
(organic : cow manure, different chemical forms : urea, ammonium, sulfate
and nitrate, soluble composite) by using the same amount of nitrogen level 150
kg. N/hectare, and also to investigate the influence of nitrogen fertilizer
quantity (0, 100, 150, 200 kg N/ hectare from urea and ammonium sulfate) on
the yield and its quality of spinach.
The results indicated a divergent effect of nitrogen source and level.
Urea and cow manure induced a greater productivity and modest accumulation
of nitrate and nitrite in leaves .However, medium productivity with the rest of
sources but excessive amount of nitrate and nitrite in spinach leaves with
ammonium sulfate and nitrate.
The obtained results showed a divergent effect of nitrogen kind and level
on yield and its characteristics. The positive effect of urea in comparison with
ammonium nitrate, was reflected as a good productivity with a small amount
of nitrate and nitrite . Results determined the maximal level of fertilizing with
nitrogen by 150 kg. N/hectare for spinach.

DOI

10.21608/fjard.2008.197510

Keywords

Nitrogen fertilizers (kind, source, quantity)- spinachproductivity – crop quality (nitrate, nitrite)

Authors

First Name

Saleh

Last Name

Al-Obeid

MiddleName

-

Affiliation

Dep. Horticulture. Faculty of Agronomy Dier-Ezzor . Al-Furat University . Syria

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Volume

22

Article Issue

2

Related Issue

27939

Issue Date

2008-07-01

Receive Date

2021-10-02

Publish Date

2008-07-01

Page Start

49

Page End

56

Print ISSN

1110-7790

Online ISSN

2805-2528

Article File

FJARD_Volume 22_Issue 2_Pages 49-56.pdf

PDF . 272.6kB

Link

https://fjard.journals.ekb.eg/article_197510.html

Detail API

https://fjard.journals.ekb.eg/service?article_code=197510

Order

22

Type

Research articles.

Type Code

1,920

Publication Type

Journal

Publication Title

Fayoum Journal of Agricultural Research and Development

Publication Link

https://fjard.journals.ekb.eg/

MainTitle

EFFECT OF NITROGEN SOURCE AND QUANTITY ON YIELD AND ITS QUALITY OF SPINACH

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Article

Created At

23 Jan 2023