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38088

Environmental Impact for Applications of Neem Cake Coated Urea and Nano Iron Foliar on Rationalization of Chemical Nitrogen Fertilizers and Wheat Yield

Article

Last updated: 22 Jan 2023

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Abstract

Slow release fertilizer has become a new trend for saving chemical fertilizer consumption and to minimize environmental pollution. This study was aimed to use neem cake as a natural material for coating urea for improving fertilizer efficiency and reduce N-losses. Also to investigate the application of neem cake coated urea with or without foliar nano iron on wheat productivity. Neem cake coated urea and nano iron were prepared. Two experiments (incubation and field) were carried out. Incubation experiment was conducted using soil samples to study the efficiency of the use neem cake coated urea on NH4+ release under conditions of saturated and field capacity for nine weeks. A field experiments was carried out to study the effect of neem coated urea with or without nano iron as foliar spray on N-use efficiency, wheat yield, components and nitrate leaching. The results of incubation experiment showed that, the release of NH4+ was thehighest under saturated conditions as compared with field capacity. The release of NH4+ from neem coated urea was slow for a long period of time compared to uncoated urea. The data of the field experiment showed that the application of neem coated urea fertilizers led to a lower concentration of nitrate in drainage water. A highest increase in the grain yield of wheat was recorded by application of neem coated urea fertilizers with foliar nano iron compared to uncoated urea as a control. Results illustrated that controlled released urea fertilizer improved yield by 24% and enhanced N uptake up to 77% as compared to uncoated urea as control treatment. Applied of neem coated urea and nano iron foliar has increased nitrogen uptake and recovery efficiency of wheat. From the results obtained, it could be concluded that, the possibility of using neem coated urea as well as foliar spraying with nano iron for rationalize the use of nitrogen chemical fertilizers, thereby reducing the pollution as well as reducing the costs of agricultural production.

DOI

10.21608/jssae.2017.38088

Keywords

Neem coated urea, nano iron, Nitrogen use efficiency, nitrate leaching, Wheat, and yield

Authors

First Name

Shreen

Last Name

Ahmed

MiddleName

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Affiliation

Soils, Water and Environment Research Institute, Agricultural Research Center, Giza, Egypt

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City

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Orcid

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First Name

A.

Last Name

Fahmy

MiddleName

-

Affiliation

Agriculture Genetic Engineering Research Institute, Agricultural Research Center, Giza, Egypt

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Volume

8

Article Issue

11

Related Issue

6143

Issue Date

2017-11-01

Receive Date

2017-11-05

Publish Date

2017-11-01

Page Start

613

Page End

620

Print ISSN

2090-3685

Online ISSN

2090-3766

Link

https://jssae.journals.ekb.eg/article_38088.html

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https://jssae.journals.ekb.eg/service?article_code=38088

Order

8

Type

Original Article

Type Code

889

Publication Type

Journal

Publication Title

Journal of Soil Sciences and Agricultural Engineering

Publication Link

https://jssae.journals.ekb.eg/

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Article

Created At

22 Jan 2023