![Dr Selai Letica collects an air sample from a soil chamber.](http://static.sciencelearn.org.nz/images/images/000/001/025/full/Testing-for-nitrous-oxide20160429-4394-h3g4fp.jpg?1674165323)
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.
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.