Class 7 Exam > Class 7 Questions > Why does top soil have humus ?
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Why does top soil have humus ?
Verified Answer
Why does top soil have humus ?
Hummus is the dead and rotting matter of plants and animals, and hummus is made with the help of decomposers which are microbes, mushrooms, microorganisms, and worm.
Decomposers can live in places where it is warm, sodden and oxygen-rich and where all these three are found in topsoil.
So the breaking down activity happens in topsoil effortlessly. That is the reason a ton of hummus is found in topsoil.
Another reason is that the dead plants and animals fall specifically onto the dirt and it gets disintegrated there itself, and the hummus remains in the topsoil.
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Most Upvoted Answer
Why does top soil have humus ?
Hii....here is ur answer..
Actually top soil contains more organic material than the subsoil and so it is darker in color. Humus is the decayed remains of the plants and animals, which breaks down in the soil by the microbes. ... Therefore, this happens more in the topsoil, than in any other soil layer. Thus, the top layer of soil has more humus than other layers.
Now i hope u will understand it much more easily....so if u like then plzz upvote and enjoy ur study with edurev and with me.
Actually top soil contains more organic material than the subsoil and so it is darker in color. Humus is the decayed remains of the plants and animals, which breaks down in the soil by the microbes. ... Therefore, this happens more in the topsoil, than in any other soil layer. Thus, the top layer of soil has more humus than other layers.
Now i hope u will understand it much more easily....so if u like then plzz upvote and enjoy ur study with edurev and with me.
Community Answer
Why does top soil have humus ?
Humus is the decayed remains of the plants and animals, which breaks down in the soil by the microbes. The microbes need oxygen and nutrients to breakdown the remains. Therefore, this happens more in the topsoil, than in any other soil layer. Thus, the top layer of soil has more humus than other layers.
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Why does top soil have humus ?
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Why does top soil have humus ? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why does top soil have humus ? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why does top soil have humus ?.
Why does top soil have humus ? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Why does top soil have humus ? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why does top soil have humus ?.
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