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Humus is important for soil because it improves soil structure, retains moisture, and provides essential nutrients for plant growth. It also fosters microbial activity, which is crucial for breaking down organic matter and releasing nutrients for plants to use.

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What is the dark crumbly highly organic part of soil?

The dark, crumbly, highly organic part of soil is called humus. Humus is formed from the decomposition of plant and animal material and is rich in nutrients, making it important for the fertility and health of the soil.


What do you call the part of soil that is recycled dead plants and animals?

Humus


What is soil that contains humus?

Soil that contains humus is known as humus soil. Humus is a dark, organic material that forms when plant and animal matter decomposes. Humus soil is rich in nutrients and helps improve soil structure, drainage, and fertility. It is important for healthy plant growth and biodiversity in the soil.


What is the dark part of soil called?

The dark part of soil is called humus. Humus is rich in organic matter and helps to improve soil structure, retain moisture, and provide essential nutrients for plant growth.


Fallen leaves make up an important part of the horizon of soil?

Soil is composed of organic and inorganic parts. Inorganic is weathered rock. Organic is dead or decaying organisms called humus. Fallen leaves are part of what makes up humus. Fallen leaves (as well as all humus) are found in the "O" horizon as well as the "A" horizon.


Why is humus called the organic part of soil?

The composition of animal and plant matter is the reason why humus is called the organic part of soil. Something organic may be living or once-living. It will be carbon-based, as in the case of dead, decaying, dying and living animals and plants in the soil food web that humus sustains.


Rotted plant and animal remains that becomes part of the soil?

forms the humus and provide nutrients to the growing plant


What is a soil -like mixture made from rotting plant and animal matter?

It's called humus.


How does the presence of the humus affect soil?

how does the presence of humus affect soil


Why is water important to humus?

That it makes the nutrients within humus soluble is a reason why water is important to humus. Humus is dark brown, fresh smelling, nutrient rich organic matter. So it's a source of necessary nutrients to plant roots, soil, and soil food web critters. But the nutrients must be in soluble form in order to be available. Otherwise, they're present in soil but unavailable and inaccessible.


Organic matter in soil is also called .?

The formation of complex organic matter in soil is called Humus


Why is humus important to soil?

Humus is the end result of organic matter breaking down in the soil or in a compost pile. Humus is "fluffy", it soaks up water like a sponge and has a tremendous surface area packed into a small space. The surface area allows for more chemical reactions with the soil solution, increasing the soil's nutrient-exchange capacity and allowing it to support more complex plant communities on the surface. Humus increases the water-holding and nutrient-exchanging capacity of the soil, and its gradual breakdown releases a slow, steady supply of nutrients to plants.