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Humus is what the organic constituent of soil is called. It's dark brown, fresh smelling, nutrient rich organic matter. It's formed from the break down of dead and decaying animal and plant matter, and from animal waste products, in the soil.

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What is the decaying organic matter is soil called?

Decaying organic matter in the soil is called humus. When it is added to the soil deliberately, it is called compost.


Organic matter in soil is also called .?

The formation of complex organic matter in soil is called Humus


What decaying organic material in soil is called?

The decayed organic material in soil is called detrition. This is the broken down results of leaves and other organic substances.


What are the decayed organic material of soil called?

Decayed organic material in soil is called humus. Humus is rich in nutrients and helps improve soil structure, fertility, and water retention.


What is organic matter that is broken down into soil called?

Organic matter that is broken down into soil is called humus. Humus is a dark, organic material that forms in soil from the decomposition of plant and animal matter. It helps improve soil structure, nutrient content, and water holding capacity.


When organic matter in soil decomposes it creates a layer called what?

When organic matter in soil decomposes, it creates a layer called humus. Humus is a dark, organic material that is rich in nutrients and contributes to soil fertility. It helps to improve soil structure, moisture retention, and microbial activity.


What is a mixture of weathered rock and organic matter called?

A mixture of weathered rock and organic matter is called soil. Soil is composed of various proportions of minerals, organic matter, water, and air, and it plays a crucial role in supporting plant growth and providing nutrients for ecosystems.


What is the top organic part of the soil called?

The top organic part of the soil is called the O horizon, or the organic horizon. It is rich in organic matter such as decomposing plant material and humus. This layer plays a crucial role in providing nutrients for plant growth and supporting soil biodiversity.


What is removal of organic material from the soil is?

organic materials - if it means minerals then process is called mining.


What is the dark organic material that forms in soil as plant and animal matter decays?

The dark organic material that forms in soil as plant and animal matter decays is called humus. Humus is rich in nutrients and helps improve soil structure, moisture retention, and microbial activity, making it essential for healthy and fertile soil.


What is the organic material formed in soil from the decayed remains of plants and animals are called?

The organic material formed in soil from the decayed remains of plants and animals is called humus. Humus is rich in nutrients and helps improve soil structure and fertility.


What is removal of organic materials from the soil called?

The removal of organic materials from the soil is called "decomposition." It involves the breakdown of plant and animal matter by microorganisms, which recycles nutrients back into the ecosystem. This process is essential for soil health and fertility.