| Term | Definition |
|---|
| Nitrogen Gas | N2 |
| Nitrate Ion | NO3^-1 |
| Nitrogen Dioxide | NO2 |
| NH3 | Ammonia |
| NH4^+1 | Ammonium |
| N2O | Nitrous Oxide |
| Nitrogen Fixation | When gaseous N2 is made into nitrate or ammonia. This happens when lightening strikes or when bacteria converts the N2 into usable forms |
| Symbiotic Relationship | When 2 organisms benefit off the other's existance |
| Nitrification | When bacteria makes ammonia into nitrate or nitrite |
| Ammonification/Decompostiton | When an organism dies, Nitrogen is released into the soil |
| Assimilation | When Nitrogen is consumed and made into amino acids and protien (DNA) |
| Denitrification | When bacteria in the soil convert Nitrate and Ammonia back into N2 |
| Limiting Factor | An element that prevents growth from happening |
| Residence Time | The amount of time an element or compound stays in a resevoir |
| Flux rate/Rate of Transfer | The time it takes for an element or compount to move from one resevoir to another |
| Macronutrients | Nutrients required in large amounts. Oxygen, Carbon, Hydrogen, Sulfur, Phosphorous and Nitrogen. SPONCH |
| Micronutrients | Nutrients required in small amounts. Eg. iron, sodium, potassium |
| Leaching | When Nitrogen enters water resevoirs from the soil |
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