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.
Storyline. Adolescent Cory Matthews and his best friend Shawn, and Cory's girlfriend Topanga attempt to survive the trials of high school, along with the help of the George Feeny, the high-school principal and Cory's next-door neighbor. neighbor | high school | 2000s | 1990s | brunette |.