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.
Personal life and Affair. Danielle Harris has been married to her long-time boyfriend David Gross on January 4, 2014, in a private ceremony in Holualoa, Hawaii. The couple was engaged one before. They welcomed their first son named Carter Davis Gross on February 21, 2017. Danielle shared the photo as well as the news on her social sites.