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.
In the later seasons, she became one of the show's main characters, transforming from a strange girl into an intellectual overachiever. Throughout the series, Topanga has always expressed her love for Cory, Shawn, and the rest of her friends.