Science, asked by iqbalhashir747, 6 months ago

the dark layer of organic matter consisting of decomposition of dead or organism plants and animal wastes​

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Answered by Anonymous
3

humus

More precisely, humus is the dark organic matter that forms in soil when dead plant and animal matter (including aerobic compost) breaks down further, specifically through the action of anaerobic organisms. Humus has many nutrients that improve the health of soil, nitrogen being the most important.

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