ALLELOPATHIC EFFECTS OF CHENOPODIUM ALBUM L. EXTRACTS ON NITRIFICATION

Allelopathic effects of Chenopodium album L. leaf aqueous extract on nitrification were investigated. In the presence of leaf extracts, complete nitrite oxidation to nitrate was delayed significantly. Also, in the presence of leaf extract the amounts of both nitrite and nitrate produced were signifi...

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Bibliographic Details
Published in:Journal of plant nutrition 2002-03, Vol.25 (3), p.671-678
Main Authors: Jafari, L., Kholdebarin, B.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Chenopodium album
Fundamental and applied biological sciences. Psychology
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Summary:Allelopathic effects of Chenopodium album L. leaf aqueous extract on nitrification were investigated. In the presence of leaf extracts, complete nitrite oxidation to nitrate was delayed significantly. Also, in the presence of leaf extract the amounts of both nitrite and nitrate produced were significantly higher than those in control solutions. This increase was attributed to protein hydrolysis and ammonification of resulting amino acids present in leaf extracts. The delay in nitrification was proposed to be due to the presence of phenolic acids in this plant.
ISSN:0190-4167
1532-4087
DOI:10.1081/PLN-120003389