NDLI: Nitric oxide and nitrous oxide emissions from cattle-slurry and mineral fertiliser treated with nitrification inhibitor to an agricultural soil: A laboratory approach

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Nitric oxide and nitrous oxide emissions from cattle-slurry and mineral fertiliser treated with nitrification inhibitor to an agricultural soil: A laboratory approach

Content Provider	Semantic Scholar
Author	Pereira, José Alberto Coutinho, Joao Fangueiro, David Trindade, Henrique
Copyright Year	2015
Abstract	The application of organic and mineral fertilisers to soil can result in increased gaseous emissions to the atmosphere such as nitric oxide (NO) and nitrous oxide (N 2 O) gases. The aim of this study was to evaluate under laboratory conditions the effects on mineral N dynamics and NO and N 2 O emissions of application to soil of cattle slurry derived liquid fraction (LF) obtained by screw press and mineral fertiliser (MF), both treated with or without the nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP). An aerobic laboratory incubation was performed over 93 days with a Dystric Cambisol amended with mechanically separated LF or mineral fertiliser ammonium sulphate only or combined with DMPP. Two additional treatments were included: soil only and soil amended with DMPP. Nitrogen immobilisation was the dominant process with MF amendment, whereas N mineralisation has been observed with LF. The application of LF reduced significantly NO emissions by 80% relative to mineral but no differences were observed with N 2 O emissions. The addition of DMPP to MF induced a decrease of 18 and 29% in NO and N 2 O emissions whereas DMPP combined with LF reduced (numerically but not statistically) these emissions in 20 and 10%, respectively. Results obtained in our study suggest that N (NO + N 2 O) losses can be mitigated by adding DMPP to mineral fertilisers or replacing mineral fertiliser by LF.
Starting Page	0305
Ending Page	0305
Page Count	1
File Format	PDF HTM / HTML
DOI	10.5424/sjar/2015134-7622
Volume Number	13
Alternate Webpage(s)	http://repositorio.ipv.pt/bitstream/10400.19/2985/1/Pereira%20et%20al%202015%20SJAR.pdf
Alternate Webpage(s)	https://doi.org/10.5424/sjar%2F2015134-7622
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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