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Soil health is a state of a soil meeting its range of ecosystem functions as appropriate to its environment. In more colloquial terms, the health of soil arises from favorable interactions of all soil components (living and non-living) that belong together, as in microbiota, plants and animals.
Bacteria and Archaea, the smallest organisms in soil apart from viruses, are prokaryotic. They are the most abundant microorganisms in the soil, and serve many important purposes, including nitrogen fixation. [9] Some bacteria can colonize minerals in the soil and help influence weathering and the breaking down of these minerals.
Soil life, soil biota, soil fauna, or edaphon is a collective term that encompasses all organisms that spend a significant portion of their life cycle within a soil profile, or at the soil-litter interface. These organisms include earthworms, nematodes, protozoa, fungi, bacteria, different arthropods, as well as some reptiles (such as snakes ...
At Muckenhoupt’s home, Miles’ soil was used to plant a rosebush in the garden. And much of the soil resides in a planter in the backyard, next to her son’s favorite hammock chair.
Soil respiration refers to the production of carbon dioxide when soil organisms respire. This includes respiration of plant roots , the rhizosphere , microbes and fauna . Soil respiration is a key ecosystem process that releases carbon from the soil in the form of CO 2 .
For example, while some studies have found that reductions in the abundance and presence of soil organisms results in the decline of multiple ecosystem functions, [28] others concluded that above-ground plant diversity alone is a better predictor of ecosystem multi-functionality than soil biodiversity. [29]
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