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is the fertile component in soil.

Question

is the fertile component in soil.

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Solution

The fertile component in soil is typically referred to as humus. Humus is the organic component of soil, created by the decomposition of leaves and other plant material by soil microorganisms. It is rich in nutrients and beneficial to plant growth. Here are the steps of how it is formed:

  1. Plant and animal matter falls onto the ground. This is often in the form of leaf litter, dead animals, or waste products.

  2. Decomposers, like bacteria and fungi, start to break down this organic matter. They do this by secreting enzymes that digest the material, breaking it down into simpler substances.

  3. As the decomposers break down the organic matter, they release nutrients back into the soil. These nutrients are then available for other plants to use.

  4. Over time, the decomposed matter forms a dark, rich substance known as humus. Humus is very fertile and holds moisture well, making it beneficial for plant growth.

  5. The humus mixes with the mineral part of the soil, creating a fertile topsoil layer. This is the layer in which most plant roots grow.

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