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.
Just married: Katie Melua and James Toseland after their wedding at the Royal Botanical Gardens, Kew. Melua, who shot to stardom as a teenager with her debut single The Closest Thing To Crazy, wore an off-white, embroidered and beaded dress by bridal designer Claire Pettibone, her spokeswoman said.