Identify and describe the general soil horizons. What will be an ideal ...

The typical soil horizons of a mature soil are topsoil (A horizon), subsoil (B horizon), and parent material
(C horizon).

Provides a cementing effect.
 Is an important source of plant nutrients.
 Helps store soil water.
 Makes soil more tillable for farming.
 Provides food energy for soil microorganisms

Original tissue is organic matter that is still recognizable. Humus is more completely decayed. The brown color of
some topsoil is a result of its humus content

Rocks and minerals are solid, inorganic substances. Minerals are chemically uniform. Rocks are aggregates of minerals.
Glacial deposits are piles or layers of material scooped up and moved by glaciers. Loess deposits are left by
the wind, alluvial deposits by moving water. Marine deposits are made up of materials that settle to the bottom of
oceans. Organic deposits are the remains of dead plants and animals

Parent materials are those solid, inorganic, and organic materials underlying the soil from which soil is formed.
Rocks and minerals are among the different types of parent materials.