1.5 Nitrogen Cycle
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8 Terms
Nitrogen Fixation
process of N2 gas being converted into biologically available ammonia or nitrate
bacterial fixation
certain bacteria that live in the soil or in a symbiotic relationship convert N2 into ammonia
synthetic fixation
humans combust fossil fuels to convert N2 gas into nitrate
Assimilation
plants and animals taking nitrogen in and incorporating it into their body
Ammonification
soil bacteria, microbes, and decomposers converting waste and dead biomass back into ammonia and returning it to soil
nitrification
conversion of NH4 into nitrite and then nitrate
Denitrification
conversion of soil nitrogen into nitrous oxide gas which returns to atmosphere
Leaching
nutrients being carried out of soil by water
Note 
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