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Ahmed,, S. (2003). STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens. Journal of Agricultural Chemistry and Biotechnology, 28(5), 3991-3999. doi: 10.21608/jacb.2003.244629
Samia F. M. Ahmed,. "STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens". Journal of Agricultural Chemistry and Biotechnology, 28, 5, 2003, 3991-3999. doi: 10.21608/jacb.2003.244629
Ahmed,, S. (2003). 'STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens', Journal of Agricultural Chemistry and Biotechnology, 28(5), pp. 3991-3999. doi: 10.21608/jacb.2003.244629
Ahmed,, S. STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens. Journal of Agricultural Chemistry and Biotechnology, 2003; 28(5): 3991-3999. doi: 10.21608/jacb.2003.244629

STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens

Article 2, Volume 28, Issue 5, May 2003, Page 3991-3999  XML PDF (504.5 K)
Document Type: Original Article
DOI: 10.21608/jacb.2003.244629
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Author
Samia F. M. Ahmed,
Microbiology Dept., Fac. of Agrlc., Mlnia Univ.
Abstract
Bacteria (Pseudomonas fluorescens) was identified as heterotrophic
nilrifiers. The present investigation was carried out 10 study heterotrophic nitrification
activity in nutrient liquid medium With pH 6, 6.5 and 7. The growth at pH 6.5 was
higher than that of pH 6 and 7. During the exponential growth phase the intermediate
products of heterotrophic nitrification activity which excreted into the culture media
(nitrite, nitrate and hydroxlamine) were increased significanUy at pH 6.5lhan pH 6 and
7. At a constant C/N rauo 3: 1 glutamine was identified as a better nitrogen sourc for
heterotrophic nitrification than the other organic N-containing components: argi"ine
and asparagine.
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