STUDIES ON HETEROTROPHIC NITRIFICATION VIA Pseudomonas fluorescens | ||||
| Journal of Agricultural Chemistry and Biotechnology | ||||
| Article 2, Volume 28, Issue 5, May 2003, Page 3991-3999 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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