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More organic material, compost, makes the top soil darker and more beneficial for growth of plants/

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Why is topsoil darker than other levels of soil?

Topsoil tends to be darker than other soil layers because it contains a higher concentration of organic matter, such as decomposed plant material. This organic matter adds dark coloration to the soil, making it appear darker compared to subsoil or bedrock layers.


What is the name for a horizontal layer of soil?

There are four layers and the four layers are top layer called the organic layer, Upper soil layer, middle soil layer, and the last one is lowest layer.


What layer layer of soil is the finest?

The topsoil is the finest soil layer. Soil 'layers' are called horizons.


What are the layers of soil from to to bottom?

The layers of soil from the bottom, or the deepest, layer to top are


What are the layers of soil from top to bottom?

The layers of soil from the bottom, or the deepest, layer to top are


Why is topsoil darker than the other lairs of the soil?

Topsoil is darker than other layers of soil because it contains a higher concentration of organic matter like decomposed plant material. This organic matter adds nutrients and helps retain moisture in the soil, which contributes to its darker color.


The top layer of soil is called what?

The top layer of soil is called topsoil. Topsoil is rich in organic matter and nutrients, making it ideal for plant growth. It is typically darker in color than lower soil layers.


What are the four layers of soil and how is soil made?

the first layer is "DIRT" the second layer is "DIRT" the third layer is "DIRT" and the fourth layer is "DIRT"


What is an organic layer?

Organic layers are part of the soil.


What is the soil layer of rock beneath the soil is called what?

The soil layer of rock beneath the soil is called bedrock. It is the solid rock layer that underlies the loose topsoil and subsoil layers.


What is the scientific names for soil layers?

soil


What is the bottom layer of soil?

loam