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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.

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Fallen leaves make up an important part of the organic horizon soil. It has most of the nutrients, minerals and organic matter that plants need.

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O or Organic

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Q: Fallen leaves make up an important part of the horizon of soil?
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Related questions

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

the "O" horizon

How does a tree make food when its leaves are fallen down?

When a tree is bare of leaves it is dormant and is not making food.

What does a bald eagle make its nest with?

Fallen tree branches, hay, straw, grass, leaves

When are ash tree leaves in season?

early spring when its not too hot and make sure it is irrigated

How is soil fertility in a deciduous forest dependent on the trees?

fallen leaves decay and make the soil rich with organic matter

How is soil fertility in a deciduous forest depend on trees?

fallen leaves decay and make the soil rich with organic matter

Make a sentence with the word horizon?

The horizon was beautiful. Black holes have an event horizon.

How do you make a soil profile?

Soil Profile refers to the layers of soil; horizon A, B, and C. If you're wondering what horizon A is, here's your answer: horizon A refers to the upper layer of soil, nearest the surface. It is commonly known as topsoil. In the woods or other areas that have not been plowed or tilled, this layer would probably include organic litter, such as fallen leaves and twigs . The litter helps prevent erosion, holds moisture, and decays to form a very rich soil known as humus. Horizon A provides plants with nutrients they need for a great life. The layer below horizon A, of course, has to be horizon B. Litter is not present in horizon B and therefore there is much less humus. Horizon B does contain some elements from horizon A because of the process of leaching. Leaching resembles what happens in a coffee pot as the water drips through the coffee grounds. Leaching may also bring some minerals from horizon B down to horizon C. If horizon B is below horizon A, then horizon C must be below horizon B. Horizon C consists mostly of weatherized big rocks. This solid rock, as you discovered inSoil Formation, gave rise to the horizons above it.

How do you say falling leaf as a singular leaf and not fallen leaf in Japanese?

落葉 /o chi ba/ means 'fallen leaves, dispersed leaves'. 散る落葉 /chi ru o chi ba/ means 'falling leaves'. Plural and singular form in words does not make any difference in a word's grammatical inflection in Japanese.

Why is sunlight important to a green plant?

it is important because leaves make food with the help of sunlight

Do plants make food all the time?

No-only when they are photosynthesizing. This occurs when there is light, carbon dioxide, and chlorophyll (green pigment, usually in the leaves). Therefore, it doesn't occur in the dark or when the leaves have fallen in the colder months.

What is the important in helping a plant make its own food?

sunlight and chlorophyll in leaves