Why is decomposition essential for soil fertility?

Decomposition is essential for soil fertility because it converts dead organic matter into nutrient-rich substances that enhance soil quality and support plant growth.

During decomposition, microorganisms break down complex organic materials into simpler inorganic nutrients such as nitrates, phosphates, and potassium compounds. These nutrients are released into the soil and are readily absorbed by plants for their growth and development.

A key product of decomposition is humus, a dark, organic material that improves soil structure. Humus increases the soil’s water-holding capacity, enhances aeration, and promotes the growth of beneficial microorganisms.

Decomposition also maintains the balance of nutrients in the soil by continuously replenishing them. Without this process, essential nutrients would become depleted over time, leading to poor soil quality and reduced agricultural productivity.

Thus, decomposition is a fundamental process that sustains soil fertility and ensures long-term ecosystem productivity.