Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="PARKIN, TB" or (type exact bookEditor and editor="PARKIN, TB") Add to list Journal Article A1 Nitrogen cycling through swine production systems: Ammonia, dinitrogen, and nitrous oxide emissions LA HARPER, RR SHARPE, TB PARKIN, Alex De Visscher, Oswald Van Cleemput (UGent) and FM BYERS (2004) JOURNAL OF ENVIRONMENTAL QUALITY. 33(4). p.1189-1201