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Subhani,, A., Javaid, A., EI-ghamry, A., Huang, C. (2003). INFLUENCE OF UREA FERTILIZER ON SOME SOl MICROBIOLOGICAL AND BIOCHEMICAL PARAMETERS. Journal of Soil Sciences and Agricultural Engineering, 28(8), 6453-6463. doi: 10.21608/jssae.2003.245096
A. Subhani,; A. Javaid; A. M. EI-ghamry; C. Huang. "INFLUENCE OF UREA FERTILIZER ON SOME SOl MICROBIOLOGICAL AND BIOCHEMICAL PARAMETERS". Journal of Soil Sciences and Agricultural Engineering, 28, 8, 2003, 6453-6463. doi: 10.21608/jssae.2003.245096
Subhani,, A., Javaid, A., EI-ghamry, A., Huang, C. (2003). 'INFLUENCE OF UREA FERTILIZER ON SOME SOl MICROBIOLOGICAL AND BIOCHEMICAL PARAMETERS', Journal of Soil Sciences and Agricultural Engineering, 28(8), pp. 6453-6463. doi: 10.21608/jssae.2003.245096
Subhani,, A., Javaid, A., EI-ghamry, A., Huang, C. INFLUENCE OF UREA FERTILIZER ON SOME SOl MICROBIOLOGICAL AND BIOCHEMICAL PARAMETERS. Journal of Soil Sciences and Agricultural Engineering, 2003; 28(8): 6453-6463. doi: 10.21608/jssae.2003.245096

INFLUENCE OF UREA FERTILIZER ON SOME SOl MICROBIOLOGICAL AND BIOCHEMICAL PARAMETERS

Article 3, Volume 28, Issue 8, August 2003, Page 6453-6463  XML PDF (7.41 MB)
Document Type: Original Article
DOI: 10.21608/jssae.2003.245096
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Authors
A. Subhani,1; A. Javaid2; A. M. EI-ghamry3; C. Huang4
1Baranl Agrlc. Res. Inst. (BARI), Talagang Road, Chakwal, Pakistan
2Soli and Water Conservation Res.lnst. (SAWCRI), Chakwal, Pakistan
3Mansoura Unlv., Fac. of Agrlc., Soli Dept., Egypt.
4ZheJiang Unlv., College of Envlro. and Resources Sci., China.
Abstract
A laboratory incubation study was conducted to estimate the influence of
fertilizer (urea) on a paddy field so;1 health under controlled moisture (flooded soil) afJd
temperature (25 0c) conditions. The fertilizer was applied @ 0, 25, 50, 100, 200, and 4QO
1-19 N s" soil. The fertilizer concentrations ranging from 0 to 100).lg N s' soil showdd
positive response on ETS activity. However, at concentrations of 200 and 4001-19 N 9 I,
the activity was reduced Significantly. The higher rates of fertilizer caused an improveme t
in the soil phenol contents and it increased with increasing concentration of fertilizer. T/je
fertilizer incorporation didn't produce any significant change in soil protein content while
the response of biomass phospholipid content was nearly similar to ETS activity; il
increased with lower rates of N-fertilizer but decreased at higher rates.
Keywords
Urea; ETS act.ivity. phenol; protein; phospholipids; paddy soil
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