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.
Playing 'That '70s Show' Star Topher Grace Marries Actress Ashley Hinshaw. Topher Grace and Ashley Hinshaw are officially husband and wife! The 37-year-old actor and his 27-year-old fiancÃ©e tied the knot in front of friends and family in the Santa Barbara area of California on Sunday.