http://articles.mercola.com/sites/articles/archive/2003/07/05/synthetic-fertalizer.aspxAlthough the use of nitrogen as a nutrient greatly increases crop growth, it appears to pose a growing health risk to humans, according to a study. Nitrogen is Earth’s most abundant atmospheric gas, but it must be converted into usable forms like nitrateenCommunityServer 2008.5 SP1 (Build: 31106.3070)