2006
DOI: 10.1016/j.envpol.2005.11.029
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Nitrification in polluted soil fertilized with fast- and slow-releasing nitrogen: A case study at a refinery landfarming site

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Cited by 19 publications
(13 citation statements)
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“…Biostimulation can also enhance degradation by inducing enzymes responsible for degradation (Cosgrove et al, 2010). However, it has been reported that added nutrients had no effect on the decontamination of polluted sites (Seklemova et al, 2001) and that extensive nutrient addition may be harmful to microbes and may result in slow degradation (Peltola et al, 2006). This study has shown the effectiveness of fortifying the soil in the clean-up of aviation fuel pollution as it speeds up the rate at which degradation of xenobiotic substances occur.…”
Section: Discussionmentioning
confidence: 78%
“…Biostimulation can also enhance degradation by inducing enzymes responsible for degradation (Cosgrove et al, 2010). However, it has been reported that added nutrients had no effect on the decontamination of polluted sites (Seklemova et al, 2001) and that extensive nutrient addition may be harmful to microbes and may result in slow degradation (Peltola et al, 2006). This study has shown the effectiveness of fortifying the soil in the clean-up of aviation fuel pollution as it speeds up the rate at which degradation of xenobiotic substances occur.…”
Section: Discussionmentioning
confidence: 78%
“…In the study by Mikkonen et al (2014), similar amplicon length in oil-contaminated and urea-fertilized soil was formed by Actinobacteria . N addition is clearly crucial to enhance the biodegradation, but the N type and dosage also matter; too intense fertilization has detrimental effects on microbial processes (Akbari and Ghoshal 2014; Kauppi et al 2011; Chaillan et al 2006; Peltola et al 2006) and can lead to groundwater pollution. Peltola et al (2006) observed that high urea load (C mineral oil :N fertilizer ratio 100:19) inhibited nitrification due to the increase of soil ammonium concentration and pH, while the same load of methylene urea was well tolerated because of a slower release of N and lack of pH effect.…”
Section: Discussionmentioning
confidence: 99%
“…N addition is clearly crucial to enhance the biodegradation, but the N type and dosage also matter; too intense fertilization has detrimental effects on microbial processes (Akbari and Ghoshal 2014; Kauppi et al 2011; Chaillan et al 2006; Peltola et al 2006) and can lead to groundwater pollution. Peltola et al (2006) observed that high urea load (C mineral oil :N fertilizer ratio 100:19) inhibited nitrification due to the increase of soil ammonium concentration and pH, while the same load of methylene urea was well tolerated because of a slower release of N and lack of pH effect. In our study, the urea load did not increase the soil pH, but at the end of the experiment, the nitrate concentration of leaching water was 100–500 mg L −1 , exceeding the value 50 mg L −1 set as a quality standard for groundwater in the European Union (Directive 2006/118/EC).…”
Section: Discussionmentioning
confidence: 99%
“…There are many types of stimulating substances that effectively improve the microbial degradation effects of soils, and different stimulating substances have varying effects on the promotion of microbial degradation activity. For example, the effect of methylene urea on the promotion of microbial degradation activity was signi cantly greater than that of urea in a preferred nitrogen source [Peltola et al, 2006]. Moreover, lecithin has better effects on the promotion of microbial degradation activity than certain synthetic surfactants .…”
Section: Introductionmentioning
confidence: 98%