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.
Riley is the daughter of Cory and Topanga and she goes to school with her friends Maya and Farkle and new person Lucas who Riley likes. Cory is Riley's history teacher and everything Riley and Maya do has something to do with their school life problems.