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Bacteria maintain soil fertility because they:

-recycle nutrients

-feed larger organisms (such as nematodes, which help the soil)

-release nitrogen, phosphorus, potassium etc...

-break down soil minerals

-release growth hormones

-fight root diseases,

-and detoxify the soil

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โˆ™ 11y ago
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โˆ™ 12y ago

Bacteria and fungi, helps in the formation of humus in the top soil (soils uppermost surface/layer), by the decomposition of dead and decayed matter. Humus is very important and necessary for the growth and development of plants, because it contains essential nutrients which they need for survival.

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โˆ™ 7y ago

Fungi play important roles as decomposers and recyclers on Earth. Many fungi provide foods for people. Some fungi cause disease while others fight disease. Still other fungi live in symbiosis with other organisms.

Bacteria are involved in oxygen and food production, environmental recycling and cleanup, and in health maintenance and medicine production.

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โˆ™ 15y ago

The roots of plants help hold soil together. Exudates, which are the waste products of plants, help recyclenutrients and water back into the soil in the form of sugars. Exudates also feed the soil food web. The death and decay of lichen, moss, and plants add vegetative organic matter to soil. Fungi and bacteria are among the representatives of the soil's microorganisms. Bacterial glue and fungal threads help hold soil together. Additionally, there are nitrogen fixing bacteria that change nitrogen that's present but inaccessible, into nitrogen that's soluble and therefore available to plant roots.

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โˆ™ 9y ago

Decomposition is a critical role played by fungi and bacteria.

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โˆ™ 13y ago

Yes bacteria can live in soil

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Q: What role do bacteria and fungi play in the creation of soil?
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