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About a thousand things ...

but a simple answer is sand (ground up rock) and worm poo.

In good topsoil there are hundreds or thousands of different organisms all working to break down organic matter.

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16y ago

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Where is rich topsoil over clay found?

Rich topsoil over clay is typically found in regions with temperate climates, where organic matter accumulates over time on top of clay subsoil. These areas are commonly found in agricultural regions, river valleys, and plains where the soil has been deposited by erosion or geological processes.


How does topsoil affect plant growth?

Topsoil is the upper layer of soil where plant roots grow and obtain nutrients. Good quality topsoil provides essential nutrients, aeration, and moisture for plants to thrive. Poor topsoil with low nutrient content or compaction can hinder plant growth by restricting root development and nutrient uptake.


How does defrostation affect topsoil?

Deforestation can affect topsoil in two significant ways. First leaves and branches that fall from trees as well as fallen trees themselves decompose. This decomposed matter is a major component of topsoil. If an area is deforested then much less new topsoil will be formed. Secondly, when an area is deforested wind and rain can cause the unprotected topsoil to be blown or washed away.


How many pounds in 4 yards of top soil?

The weight of topsoil can vary based on its moisture content and composition, but on average, one cubic yard of topsoil weighs about 2,000 to 2,700 pounds. Since there are 4 yards of topsoil, you can estimate that it would weigh between 8,000 to 10,800 pounds. For a more precise measurement, consider the specific density of the topsoil being used.


How long does it take to grow an inch of topsoil?

It can take anywhere from a few hundred to a few thousand years for topsoil to increase by just one inch, depending on factors such as climate, vegetation, and soil formation processes. The rate of topsoil formation is typically very slow due to the slow decomposition of organic matter and weathering of parent material.

Related Questions

Where is topsoil found?

Dig under the grass and topsoil will be under the grass. Topsoil is that is mainly sold in bags for your gardening.


Where is the topsoil found?

Dig under the grass and topsoil will be under the grass. Topsoil is that is mainly sold in bags for your gardening.


What has the largest particle size parent material humus subsoil or topsoil?

Topsoil typically has the largest particle size among humus, subsoil, and topsoil. This layer is the uppermost layer of soil and is composed of a mix of organic matter, minerals, and nutrients. Humus is a component found within topsoil that is made up of fully decomposed organic matter, while subsoil is found beneath the topsoil and can have a finer texture due to lower organic content.


What does topsoil made up of?

it is made of rocks


The layer of soil in which topsoil is found is the?

The A horizon.


Which soil layer are most decomposers found?

topsoil.


What horizon is topsoil found?

Topsoil is typically found in the A horizon of soil. This layer is located at the top and is rich in organic matter and nutrients, making it essential for supporting plant growth.


How are topsoil and subsoil different and alike?

They are both made with the same substance but the topsoil has newer soil than the subsoil.


How do you use the word topsoil in a sentence?

The construction had caused all the topsoil to wash away. The rich topsoil of the prairies made good field for the crops.


Is there humus in the C horizon of soil?

no it is found in the topsoil or a horizon


Where can you find topsoil?

Topsoil can be found at gardening centers, home improvement stores, landscaping suppliers, and nurseries. You can also purchase topsoil online and have it delivered to your location. Additionally, you can collect topsoil from your own yard or from a nearby natural area with landowner permission.


How are topsoil and subsoil alike and different?

Topsoil and subsoil are both layers of soil found in the ground. Topsoil is the uppermost layer and is rich in organic matter and nutrients, making it ideal for plant growth. Subsoil is located below the topsoil and is less fertile, with lower organic matter content. Both layers play a crucial role in supporting plant growth and maintaining soil health.