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Lesechka [4]
3 years ago
7

3. The main source of organic matter in soil is A bacteria B fung c plants water

Biology
1 answer:
Andrew [12]3 years ago
4 0
On farms the main sources of organic matter are plant litter (plant roots, stubble, leaves, mulch) and animal manures. Earthworms and microorganisms decompose these materials. The process of decomposition releases nutrients which can be taken up by plant roots.
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