Question

How is humus formed ? Mention any three characteristics of humus.

Answer 1

Humus is the organic component of the soil. Humus is formed by the decomposing action of soil microorganisms (e.g., bacteria and fungi), which break down animal and vegetable material into elements that can be used by growing plants.

The characteristics of humus -

• It binds the soil together, and prevent soil erosion.
• Humus content affects the color, texture, and structure of the soil.
• Soil with rich humus tends to be dark with a loamy texture.