Why is soil of forest rich in nutrients?

Laterite soil is rich in:

A lake rich in nutrients is known as

Laterite soil is rich in

Lakes and ponds that are rich in nutrients and high in productivity are called

From which layer of soil do plants get their nutrients?

Which soil horizon is rich in humus?

Assertion (A) : In tropical rain forests , O-horizon and A-horizon of soil profile are shellow and nutrient -poor. Reason ( R ) : Excessive growth of microorganisms in the soil depletes its organic content.

Assertion: In tropical rain forests, O-horizon and A-Horizon of soil profile are shallow and nutrient-poor. Reason: Excessive growth of micro-organisms in the soil depletes its organic content.