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   humus

   /ˈhjuːməs/

   noun

   • 1. the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

   Word Origin late 18th century: from Latin, ‘soil’.

   Scrabble Points: 10

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   • U

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   • M

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2. People also ask

   What is humus in soil?

   • The upper few inches of soil is humus rich in organic matter; below this is clay. See that the soil contains enough humus or vegetable mold to make it rich and to enable it to hold moisture. Humus definition: the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth..

   HUMUS Definition & Meaning | Dictionary.com

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   What does humus mean?

   • : a brown or black product of partial decay of plant or animal matter that forms the organic portion of soil : a brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic portion of soil Thesaurus: All synonyms and antonyms for humus

   Humus Definition & Meaning - Merriam-Webster

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   Why is humus important?

   • Humus contains many useful nutrients for healthy soil. One of the most important is nitrogen. Nitrogen is a key nutrient for most plants. Agriculture depends on nitrogen and other nutrients found in humus. Some experts think humus makes soil more fertile. Others say humus helps prevent disease in plants and food crops.

   Humus - National Geographic Society

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   What color is humus?

   • Humus has a characteristic black or dark brown color and is an accumulation of organic carbon. Besides the three major soil horizons of (A) surface/topsoil, (B) subsoil, and (C) substratum, some soils have an organic horizon (O) on the very surface. Hard bedrock (R) is not in a strict sense soil.

   Humus - Wikipedia

   en.wikipedia.org/wiki/Humus

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3. www.merriam-webster.com › dictionary › humusHumus Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › humus

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   Humus is a word for a brown or black material that forms the organic part of soil. It comes from Latin and means earth. Learn more about its synonyms, examples, history, and related words.

4. dictionary.cambridge.org › dictionary › englishHUMUS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   Humus is dark earth made of organic material such as decayed leaves and plants. Learn more about humus, its pronunciation, and how to use it in sentences from the Cambridge English Corpus.

5. en.wikipedia.org › wiki › HumusHumus - Wikipedia

   en.wikipedia.org › wiki › Humus

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   In classical [1] soil science, humus is the dark organic matter in soil that is formed by the decomposition of plant and animal matter. It is a kind of soil organic matter. It is rich in nutrients and retains moisture in the soil. Humus is the Latin word for "earth" or "ground". [2]

6. www.dictionary.com › browse › humusHUMUS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › humus

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   A dark-brown or black organic substance made up of decayed plant or animal matter. Humus provides nutrients for plants and increases the ability of soil to retain water.

7. www.nationalgeographic.org › encyclopedia › humusHumus - National Geographic Society

   www.nationalgeographic.org › encyclopedia › humus

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   Oct 19, 2023 · Humus is dark, organic material that forms in soil when plant and animal matter decays. Learn how humus is produced, what nutrients it contains, and how it affects soil fertility and health.

8. dictionary.cambridge.org › us › dictionaryHUMUS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   Humus is dark earth made of organic material such as decayed leaves and plants. Learn how to use this word in sentences, see synonyms and antonyms, and find translations in different languages.

9. www.oxfordlearnersdictionaries.com › definitionhumus noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

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   Humus is a substance formed from dead leaves and plants that helps plants grow. Learn how to pronounce humus, see pictures and usage notes, and find synonyms and related words.