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A slow release nitrogen fertiliser produced by simultaneous granulation and superheated steam drying of urea with brown coal

Rose, Michael T., Perkins, Emily L., Saha, Biplob K., Tang, Evone C.W., Cavagnaro, Timothy R., Jackson, W. Roy, Hapgood, Karen, Hoadley, Andrew F.A. and Patti, Antonio F. 2016, A slow release nitrogen fertiliser produced by simultaneous granulation and superheated steam drying of urea with brown coal, Chemical and biological technologies in agriculture, vol. 3, pp. 1-14, doi: 10.1186/s40538-016-0062-8.

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Title A slow release nitrogen fertiliser produced by simultaneous granulation and superheated steam drying of urea with brown coal
Author(s) Rose, Michael T.
Perkins, Emily L.
Saha, Biplob K.
Tang, Evone C.W.
Cavagnaro, Timothy R.
Jackson, W. Roy
Hapgood, KarenORCID iD for Hapgood, Karen orcid.org/0000-0002-0402-8954
Hoadley, Andrew F.A.
Patti, Antonio F.
Journal name Chemical and biological technologies in agriculture
Volume number 3
Article ID 10
Start page 1
End page 14
Total pages 14
Publisher SpringerOpen
Place of publication London, Eng.
Publication date 2016-05-09
ISSN 2196-4351
Keyword(s) superheated steam drying
nitrous oxide
greenhouse gas emissions
soil enhancement
controlled-release fertiliser
lignite
Summary Background: The inefficient use of nitrogen (N) fertiliser as a consequence of N losses from soil is a pressing issue in broad-acre agricultural systems. The research reported here tested the hypothesis that granulation of synthetic N fertiliser (urea) with a natural organic C resource (brown coal) would reduce fertiliser N loss from the soil system. Results: Urea-enriched brown coal granules were simultaneously formed and dried within a pilot-scale superheated steam dryer. After application to unplanted soil columns, the urea-brown coal granules reduced nitrous oxide emission by up to 40 %, reduced mineral nitrogen leaching and maintained higher levels of N in topsoil when compared to conventional urea alone. Reduced gaseous N losses without a reduction in plant N uptake were also observed in planted soil columns treated with urea-brown coal granules. Conclusions: Brown coal-urea blended fertiliser showed potential for more efficient use of N in the long term and has environmental benefits in retaining more N in the soil.
Language eng
DOI 10.1186/s40538-016-0062-8
Field of Research 070101 Agricultural Land Management
050399 Soil Sciences not elsewhere classified
Socio Economic Objective 0 Not Applicable
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30092342

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.