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Decayed plant and animal matter.

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Q: What materials contribute in organic matter in soil?
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Related questions

What materials is primarily a mixture of weathered rock and organic matter?

soil


What's organic matter?

Organic matter is composed of biodegradable and natural materials such as soil, plants, and animal byproducts.


What are the major properties of soil?

Sand, soil, clay particles, and organic matter that mostly comes from decaying plant materials.


What two kinds of matter make up soil?

the winner is!!!!!!!!!!!!!!! Minerals and organic Materials!!!!!!!!!!!!!!!!


What materials make up soil?

Soil is a mixture of weathered rock, decayed organic matter, mineral fragments, air, and water.


What are the main ingrediants of soil?

There are four materials in soil: weathered rock particles, organic matter, water, and air.


How much organic matter is present in grassland soil as compared to woodland soil?

less organic matter


What materials makes up horizon B in a soil?

it is generally the accumulation of nutrients leached from the top soil and also few amount of organic matter


What are the four components that make up a true soil?

Minerals,Bacteria and Organic Materials, Air and Moisture.The "perfect soil" is made up of:45% mineral matter25% water25% air5% organic matter


Organic matter in soil is also called .?

The formation of complex organic matter in soil is called Humus


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.


What does organic matter do in soil?

It increases the fertility of the soil.