Keyword Analysis & Research: definition of humus soil


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What is humus in soil science?

In soil science, humus (derived in 1790–1800 from the Latin humus for 'earth, ground') denominates the fraction of soil organic matter that is amorphous and without the "cellular cake structure characteristic of plants, micro-organisms or animals".

What is humus in encyclopedic?

Encyclopedic entry. Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. Humus is dark, organic material that forms in soil when plant and animal matter decays.

What is humus and sedimentary rocks?

Humus consists of biological molecules such as proteins and carbohydrates as well as the humic substances…. sedimentary rock: Organic-rich sedimentary deposits. …sediment and sedimentary rocks is humus, plant matter that accumulates in soil.

What is humus compost?

In agriculture and gardening the term humus is sometimes used to describe well aged compost. You can buy bags of stuff labeled ‘humus’ at gardening centers, but this is just mislabeled compost. This is an incorrect use of the term. Compost is plant material that is slightly decomposed.


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