Nitrogen is available to plants as either ammonium (NH 4 + -N) or nitrate (NO 3 - -N). Animal manures and other organic wastes can be important sources of N for plant growth. The amount of N supplied by manure will vary with the type of livestock, handling, rate applied, and method of application.
Danielle Fishel, who played Topanga on the hit '90s series Boy Meets World, married her long-time boyfriend Tim Belusko in Los Angeles over the weekend. Travel Deals.
Erin Burnett, she is currently married to David Rubulotta. She met this finance executive and the managing director of Citigroup on a blind date in 2003. The couple has been together without separation since then. The couple got engaged on September 2011 and Erin married David, at the age of 36, on December 21, 2012.