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Subjects (1-5 of 5)
Biogeochemical cycles
1

-- See Also the narrower term Carbon cycle (Biogeochemistry)


2

-- See Also the narrower term Detritus


3

-- See Also the narrower term Nitrogen cycle


4

-- See Also the narrower term Nitrogen Fixation


Here are entered works on the process of taking up free nitrogen, either by microorganisms or by technical or natural processes. Works on the formation of nitrites and nitrates in soil, sewage sludge, etc. from other nitrogenous compounds by microorganisms are entered under Nitrification.
5

-- See Also the narrower term Nutrient cycles


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