Its name may be mud to some of us, but organic matter plays an essential role in soil and plant health – as well as potentially harbouring heavy metals and pesticide contaminants. Synchrotron researchers are uncovering new information.

http://archive.synchrotron.org.au/index.php/aussyncbeamlines/x-ray-fluorescence-microprobe-x-ray-microspectroscopy/highlights-xfm/a-dirty-subject