the nitrogen cycle |
||||||||||||||||||||||||||||||||||||||||
navigate by keyword : ammonia ammonium animal atmosphere bacteria biology biosphere chemistry cycle ecosystem education educational environment eutrophication fertilizer fixation gas leaching legume leguminous lightning manure nitrate nitrification nitrite nitrogen plant proteins science scientific |
||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
The nitrogen cycle showing how the element nitrogen is cycled through the environment. |
||||||||||||||||||||||||||||||||||||||||
Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |