Our work on carbon balances of dairy farms is in the news:
http://www.waikato.ac.nz/news-events/media/2012/05dairy-data-could-answer-carbon-questions.shtml

and again…

http://www.stuff.co.nz/waikato-times/farming/7250602/Changes-in-carbon-levels-of-dairy-farm-soils-quantified-evaluated