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.
'Girl Meets World' is 'a passing of the baton' from 'Boy Meets World'. Cast members of Girl Meets World are Danielle Fishel, who plays Topanga, left, Rowan Blanchard, who plays Riley, Sabrina Carpenter, who plays Riley's friend Maya, and Ben Savage, who plays Cory. (Katie Falkenberg / Los Angeles Times)