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.
Taylor Swift and Calvin Harris have been crowned the World's Highest-Paid Couple! No biggie. Taylor Swift and Calvin Harris have been crowned by Forbes as 2015âs Highest-Paid Couple, kicking Beyonce and Jay Z out of the No. 1 spot on the list of the worldâs highest-paid celebrity couples.