Class 7 Exam > Class 7 Questions > Why are flood plains very fertile?a)They are ...
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Why are flood plains very fertile?
- a)They are rich in minerals from volcanic eruptions
- b)They receive regular deposits of fine soil and sediments from river floods
- c)They are protected from erosion
- d)They are formed by glacial action
Correct answer is option 'B'. Can you explain this answer?
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Why are flood plains very fertile?a)They are rich in minerals from vol...
Flood plains are fertile because the overflowing river deposits layers of fine soil and sediments, which are rich in nutrients and ideal for agriculture.
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Why are flood plains very fertile?a)They are rich in minerals from vol...
Why Flood Plains Are Fertile
Flood plains are regions of land adjacent to rivers that experience periodic flooding. These areas are particularly known for their fertility, and the main reason for this is due to the regular deposits of fine soil and sediments brought in by river floods.
Regular Deposits of Fine Soil
- During floods, rivers overflow their banks, spilling water onto surrounding land.
- As the floodwaters recede, they leave behind nutrient-rich sediments, which include silt, clay, and organic matter.
- This sediment is often very fine and well-suited for agriculture, enhancing soil structure and fertility.
Nutrient-Rich Environment
- The sediments deposited during flooding contain essential nutrients like nitrogen, phosphorus, and potassium.
- These nutrients are crucial for the growth of plants, making flood plains ideal for farming and supporting diverse ecosystems.
Natural Irrigation
- Flooding also provides natural irrigation, ensuring that the soil remains moist and capable of supporting crops.
- This consistent supply of water and nutrients helps maintain high agricultural productivity.
Conclusion
In summary, the fertility of flood plains can be attributed primarily to the regular deposits of fine soil and sediments from river floods. This natural process enriches the land, making it one of the most fertile areas for agriculture and supporting a wide variety of plant and animal life.
Flood plains are regions of land adjacent to rivers that experience periodic flooding. These areas are particularly known for their fertility, and the main reason for this is due to the regular deposits of fine soil and sediments brought in by river floods.
Regular Deposits of Fine Soil
- During floods, rivers overflow their banks, spilling water onto surrounding land.
- As the floodwaters recede, they leave behind nutrient-rich sediments, which include silt, clay, and organic matter.
- This sediment is often very fine and well-suited for agriculture, enhancing soil structure and fertility.
Nutrient-Rich Environment
- The sediments deposited during flooding contain essential nutrients like nitrogen, phosphorus, and potassium.
- These nutrients are crucial for the growth of plants, making flood plains ideal for farming and supporting diverse ecosystems.
Natural Irrigation
- Flooding also provides natural irrigation, ensuring that the soil remains moist and capable of supporting crops.
- This consistent supply of water and nutrients helps maintain high agricultural productivity.
Conclusion
In summary, the fertility of flood plains can be attributed primarily to the regular deposits of fine soil and sediments from river floods. This natural process enriches the land, making it one of the most fertile areas for agriculture and supporting a wide variety of plant and animal life.
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Why are flood plains very fertile?a)They are rich in minerals from volcanic eruptionsb)They receive regular deposits of fine soil and sediments from river floodsc)They are protected from erosiond)They are formed by glacial actionCorrect answer is option 'B'. Can you explain this answer?
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Why are flood plains very fertile?a)They are rich in minerals from volcanic eruptionsb)They receive regular deposits of fine soil and sediments from river floodsc)They are protected from erosiond)They are formed by glacial actionCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Why are flood plains very fertile?a)They are rich in minerals from volcanic eruptionsb)They receive regular deposits of fine soil and sediments from river floodsc)They are protected from erosiond)They are formed by glacial actionCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Why are flood plains very fertile?a)They are rich in minerals from volcanic eruptionsb)They receive regular deposits of fine soil and sediments from river floodsc)They are protected from erosiond)They are formed by glacial actionCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Why are flood plains very fertile?a)They are rich in minerals from volcanic eruptionsb)They receive regular deposits of fine soil and sediments from river floodsc)They are protected from erosiond)They are formed by glacial actionCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 7 tests.
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