Unformatted text preview: • Plants can absorb ammonia and ammonium. • Mutualism: Plants get fixed nitrogen, bacteria get a safe place to live. Nitrogen Loss • Lost from soils via leaching and runoff – “dead zone” • Denitrifying bacteria convert fixed “nitrogen” into nitrogen. Human Increase • Nitrogen loss by clearing forests and grasslands. • Nitrogen in water and air by using fertilizers and by burning fossil fuels. • TOO much or TOO little nitrogen is bad for plants and aquatic life....
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- Spring '08
- Bacteria, natural gas production, nitrogen gas Nitrogen