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1. • Organic matter component of soil

     

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     • Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal detritus at various stages of decomposition, cells and tissues of soil microbes, and substances that soil microbes synthesize.
     en.wikipedia.org/wiki/Soil_organic_matter

     Soil organic matter - Wikipedia

2. www.sciencedirect.com › soil-organic-matterSoil Organic Matter - an overview | ScienceDirect Topics

   www.sciencedirect.com › soil-organic-matter

   Soil organic matter (SOM) can be defined as organic materials found in soil that are, or have been, part of living organisms. It is a continuum of materials at various stages of transformation due to biotic and abiotic processes.

   • Soil Quality

     Soil quality – A critical review. Else K. Bünemann, ......

   • Microbial Biomass

     A review of nematodes as biological indicators of...

   • Soil Structure

     Global applications of the Visual Evaluation of Soil...

   • Soil Organic Matter

     Soil organic matter (SOM) can be defined as organic...

3. geo.libretexts.org › Bookshelves › Soil_Science1.3: Soil Organic Matter - Geosciences LibreTexts

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   Nov 25, 2021 · Define soil organic matter and list its main components. Evaluate the importance of organic matter on soil physical, chemical and biological properties and processes. Explain the sources and turnover processes of soil organic matter. Discuss the spatial distribution and land management of soil organic matter.

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5. library.fiveable.me › soil-organic-matterSoil Organic Matter - (Intro to Soil Science) - Vocab ...

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   Soil organic matter (SOM) refers to the organic component of soil, consisting mainly of decomposed plant and animal material, microbial biomass, and organic substances that enhance soil structure, fertility, and overall health.

6. www.nature.com › library › what-are-soils-67647639What Are Soils? | Learn Science at Scitable - Nature

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   Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water. Soil minerals are divided into three size classes — clay, silt, and sand...

7. www.sciencedirect.com › soil-organic-matterSoil Organic Matter - an overview | ScienceDirect Topics

   www.sciencedirect.com › soil-organic-matter

   Soil organic matter (SOM) can be defined as organic materials found in soil that are, or have been, part of living organisms. From: Soil Microbiology, Ecology and Biochemistry, 2024. About this page. Add to Mendeley. Set alert. Chapters and Articles. You might find these chapters and articles relevant to this topic. Soil Organic Matter.

8. en.wikipedia.org › wiki › Soil_organic_matterSoil organic matter - Wikipedia

   en.wikipedia.org › wiki › Soil_organic_matter

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   Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal detritus at various stages of decomposition, cells and tissues of soil microbes, and substances that soil microbes synthesize.

9. People also ask

   What is soil organic matter?

   • Jingzhe Wang, ... Xiaodong Yang, in International Soil and Water Conservation Research, 2023 Soil organic matter (SOM) is the organic matter content of soil, consisting of plant and animal detritus at various stages of decomposition, cells and tissues of soil microbes, and substances that soil microbes synthesize (Brady & Weil, 2008).

   Soil Organic Matter - an overview | ScienceDirect Topics

   www.sciencedirect.com/topics/agricultural-and-biological-sciences/soil-organic-matter

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   Are soil organic carbon and soil organic matter the same quantity?

   • Soil organic carbon (SOC) and soil organic matter (SOM) are not the same quantity. It has, however, become an automatic practice to convert between SOC and SOM using Equation 3: This assumes that carbon molecules comprise 58% of the total mass of soil organic matter.

   1.3: Soil Organic Matter - Geosciences LibreTexts

   geo.libretexts.org/Bookshelves/Soil_Science/Digging_into_Canadian_Soils:_An_Introduction_to_Soil_Science/01:_Digging_In/1.03:_Soil_Organic_Matter

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   Does soil organic matter contain hydrogen and oxygen?

   • Soil organic matter also contains hydrogen- and oxygen-containing functional groups, which contribute to the overall soil organic matter mass. While it also is assumed that hydrogen contributes ca. 4% and oxygen contributes ca. 30% to the overall composition, we know that this depends on the decomposition state of soil organic matter.

   1.3: Soil Organic Matter - Geosciences LibreTexts

   geo.libretexts.org/Bookshelves/Soil_Science/Digging_into_Canadian_Soils:_An_Introduction_to_Soil_Science/01:_Digging_In/1.03:_Soil_Organic_Matter

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   Is soil organic matter living or non-living?

   • Soil organic matter is comprised of both living and non-living components. The living component includes soil macro- and micro-fauna, and soil microbial communities, which may be active or dormant. The non-living portion of soil organic matter is derived from dead plant and faunal inputs into the soil (Figure 3.1).

   1.3: Soil Organic Matter - Geosciences LibreTexts

   geo.libretexts.org/Bookshelves/Soil_Science/Digging_into_Canadian_Soils:_An_Introduction_to_Soil_Science/01:_Digging_In/1.03:_Soil_Organic_Matter

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   Why does organic matter persist in soils?

   • In addition to the interaction of organic matter with mineral surfaces, physical protection inside aggregates (Figure 3.4a) is considered to be an important mechanism for organic matter persistence (Six et al. 2002). In that case, organic matter mostly persists in soils because it is spatially separated from the decomposing microbial communities.

   1.3: Soil Organic Matter - Geosciences LibreTexts

   geo.libretexts.org/Bookshelves/Soil_Science/Digging_into_Canadian_Soils:_An_Introduction_to_Soil_Science/01:_Digging_In/1.03:_Soil_Organic_Matter

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   Is soil organic matter an ecosystem property?

   • Persistence of soil organic matter as an ecosystem property. Nature 478: 49–56. doi: 10.1038/nature10386.

   1.3: Soil Organic Matter - Geosciences LibreTexts

   geo.libretexts.org/Bookshelves/Soil_Science/Digging_into_Canadian_Soils:_An_Introduction_to_Soil_Science/01:_Digging_In/1.03:_Soil_Organic_Matter

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10. www.sciencedirect.com › soil-organic-matterSoil Organic Matter - an overview | ScienceDirect Topics

    www.sciencedirect.com › soil-organic-matter

    Soil organic matter (SOM) is a general term for several classes of carbon-containing compounds in the soil that originate from decomposed biota, including dead animals, microbiota (actinomycetes, bacteria, fungi), and plant matter.