humification

[hyoo-muh-fi-key-shuhn, or, often, yoo-]
noun
the formation of humus.

Origin:
1895–1900; hum(us) + -i- + -fication

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
humify (ˈhjuːmɪˌfaɪ)
 
vb , -fies, -fying, -fied
to convert or be converted into humus
 
humifi'cation
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Humification indices are calculated by dividing fluorescence intensity at longer wavelengths by intensity at shorter wavelengths.
Nitrogen mineralization from humic acid fractions in rice soils depends on degree of humification.
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