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.
Matt Lauer and his wife, UNICEF Ambassador Annette Roque attend the 2nd Annual Snowflake Ball at the Waldorf-Astoria Hotel on November 28, 2005 in New York City. (Getty) Lauerâs first marriage to TV producer Nancy Alspaugh ended in divorce in 1988. He was engaged to Kristen Gesswein, but they split in 1996. He later married former Dutch model Annette Roque in 1998, and the two are still together.