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.
George Clooney Is Married - All About His Wife, Amal Alamuddin. Sorry ladies, George Clooney, 53, is officially a taken man. He married Amal Alamuddin in Venice, Italy over the weekend, as you probably already know. So, how did this accomplished, beautiful woman steal the heart of Hollywood's most eligible bachelor.