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  • Dr Selai Letica collects an air sample from a soil chamber.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 30 July 2013 Size: 4.2 MB Referencing Hub media

    Dr Selai Letica collects an air sample from a soil chamber. She is testing for the presence of nitrous oxide, released to the atmosphere, from the area within an experimental enclosure.

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