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98737

EFFECT OF SOME ENGINEERING FACTORS ON THE PROPERTIES OF THE BIOFERT

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Last updated: 26 Dec 2024

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Abstract

An experiment was conducted successively to study the effect of fermentation conditions on the properties of biofertilizer from cow manure. Fermentation temperatures (30, 35, and 50°C), aeration rates (1, 2, and 5 L/min) and agitation rotation speeds (200, 300, and 500 rpm) were the most important factors affecting the biofert properties. Moisture content, bulk density, total solid, electrical conductivity, Hydrogen ion concentration, total nitrogen, organic matter, phosphorus, potassium and microbial changes properties were determined. The results indicated that the lowest value of bulk density was 946.63 kg/m3 at temperature of 50°C, 300 rpm agitation speed and 5 liter/ min, ventilation rate while the highest value (983.17 kg/m3) obtained at temperature 30°C, 500rpm agitation speed and 1 liter/ min ventilation rate. The lowest moisture content was 79.87% at temperature of 30°C, agitation speed of 200rpm and ventilation rate of 1 liter/ min while the highest value was 83.19% at temperature of 50°C, agitation of 500rpm and ventilation rate of 5 liter/ min. The electrical conductivity increased from 11.6 ds m-1 at the start of fermentation to 35.07 ds m-1 at the end of fermentation period depending on the treatments under study.  The pH decreased from 8.13 at the start of fermentation to 6.77 at the end of fermentation period. The total solid of the biofert decreased from 21.2% at the start of fermentation to 16.81% at the end of fermentation period, where the lowest value was 16.81% at temperature of 50°C, agitation speed of 500rpm and ventilation rate of 5 liter/ min and the highest value (20.13%) recorded at temperature of 30°C, agitation speed of 200rpm and ventilation rate of 1 liter/ min.  

DOI

10.21608/mjae.2015.98737

Keywords

dairy manure, Biofert, fermentation, agitation, Pathogenic, Ventilation

Authors

First Name

Ramy

Last Name

Hamouda

MiddleName

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Affiliation

Graduate Student of Agric. Eng. Dep., Fac. of Agric., Benha Univ., Egypt

Email

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City

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Orcid

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First Name

Adel

Last Name

Bahnasawy

MiddleName

-

Affiliation

Prof. of Agric. Eng., Fac. of Agric., Benha Univ., Egypt

Email

adel.bahnasawy@fagr.bu.edu.eg

City

-

Orcid

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First Name

Samir

Last Name

Ali

MiddleName

-

Affiliation

Prof. of Agric. Eng., Fac. of Agric., Benha Univ., Egypt

Email

samir.ali@fagr.bu.edu.eg

City

-

Orcid

-

First Name

Zakaria

Last Name

El-Haddad

MiddleName

-

Affiliation

Prof. of Agric. Eng., Fac. of Agric., Benha Univ., Egypt

Email

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City

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Orcid

-

First Name

El-Shahat

Last Name

Ramadan

MiddleName

-

Affiliation

Prof. of Microbiology, Fac. of Agric., Ain Shams Univ., Egypt

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Orcid

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Volume

32

Article Issue

1

Related Issue

14970

Issue Date

2015-01-01

Receive Date

2020-06-28

Publish Date

2015-01-01

Page Start

361

Page End

380

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 32_Issue 1_Pages 361-380.pdf

PDF . 732.3kB

Link

https://mjae.journals.ekb.eg/article_98737.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=98737

Order

20

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

EFFECT OF SOME ENGINEERING FACTORS ON THE PROPERTIES OF THE BIOFERT

Details

Type

Article

Created At

23 Jan 2023