Soil profile

Nature of a soil

A-horizon

Humus

Silt

Soil moisture

C-horizon

B-horizon

Loam

Soil

a vertical section through different layers of the soil

rocks from which it has been formed and the type of vegetation that grows on it

dark in colour

soil fertility and nutrients to the plants

riverbeds

soil holding water in it

small lumps of rocks with cracks and crevices

harder and more compact

best top soil

the mixture of rock particles and humus