Occurrence and biodegradation of nitrosamines in soil environment of mountain grassy ecosystems
1998
Barabasz, W. | Galus, A. | Grzyb, J. | Barabasz, J. | Smyk, B. (Akademia Rolnicza, Krakow (Poland). Katedra Mikrobiologii)
The authors observed a great influence of fertilization on soil microbial activity and some processes of nitrogen transformations in soil of selected mountain grassy ecosystems (Arrhenatheretum elatioris and Gladiolo-Agrostidetum) in the Pieniny Mountains. The analytical studies show that high N rates result in the formation of carcinogenic nitrosamines in soil environments. The use of mineral N resulted in significant changes in microbiocenoses under investigated ecological conditions. The decline of some beneficial microorganisms, as well as the occurrence of carcinogenic nitrosamines in soil were the symptoms of changes in the environment. Preliminary in vitro studies have shown that some soil bacteria of Arthrobacter and Streptomyces genera have a great degradation capability affecting nitrosamines
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