Question

fertile soil has lots of humus. why????​

Answer 1

Answer:

Fertile soils like alluvial soils contain huge amounts of humus because alluvial soil is a ex-situ or transported soil which is transported by rivers. Hence these rivers contain minerals and they deposit it at the sea shore in the form of humus mixedd in the soil.

Hope u will find it helpful.....

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Answer 2

Answer:

HEY..... UVwxyz........

BECAUSE IT CONTAIN MICROORGANISMS THAT DECOMPOSE DEAD ORGANIC MATTER PRESENT IN SOIL......