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.
Chat with us on Facebook Messenger. Learn what's trending across POPSUGAR. Topher Grace is a married man! People is reporting that the That '70s Show actor tied the knot with his fiancÃ©e, actress Ashley Hinshaw, in a private ceremony near the area of Santa Barbara, CA, on Sunday.