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.
Credit: Alberto E. Rodriguez/Getty. Mayim Bialik is officially married no more. The Big Bang Theory actress finalized her divorce from husband of nine years Michael Stone late last week, signing off on documents to divide their Los Angeles-area property evenly.