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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.
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 holds 10 to 1,000 times more water and nutrients than the same amount of soil minerals. Beneficial soil organisms become more numerous and active with diverse crop rotations and higher organic matter levels.
We discuss implications of this view of the nature of soil organic matter for aquatic health, soil carbon–climate interactions and land management.
What is Soil Organic Matter? Organic matter is made up of different components that can be grouped into three major types: Plant residues and living microbial biomass. Active soil organic matter also referred to as detritus. Stable soil organic matter, often referred to as humus.
The soil organic matter (SOM) is comprised of multiple components, including: Plant and animal residues recently incorporated into the soil by field operations or by earthworms and other macro-organisms. The soil life itself. Active organic matter, including recently-dead soil organisms, root exudates, and partially
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101 Nassau Park Blvd, Princeton, NJ · Directions · (609) 987-0202