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.
Singer Katie Melua has tied the knot with former World Superbike champion James Toseland. The pair, who announced their engagement at the beginning of the year, got married in the Nash Conservatory at Royal Botanic Gardens in Kew, west London, yesterday (Saturday)