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.
Salma Hayek has married French businessman Francois-Henri Pinault, Mondayâs online edition of the weekly French newsmagazine Le Point reports. Hayek, 42, and Pinault, 46, were married on Saturday â St. Valentineâs Day â in the City Hall of the Sixth Arrondissement in central Paris, according to the publication, which is owned by the Pinault family.