Soil Around the World

Question 1

Why is volcanic soil (andisol) very fertile?

Revolt · Accepted Answer

It is rich in minerals from volcanic deposits.

Question 2

Lower temperatures lead to slower soil formation.

Revolt · Accepted Answer

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Question 3

How is over-irrigation damaging to soil?

Revolt · Accepted Answer

It results in the accumulation of salt near the soil surface.

Question 4

Which of the following is not a defining characteristic of soil?

Revolt · Accepted Answer

humidity

Question 5

Soil compaction results from _______.

Revolt · Accepted Answer

all of the above

Question 6

What characteristic is shared by both inceptisols and entisols, the soils of flood plains?

Revolt · Accepted Answer

Both are young and only beginning to develop horizons and a soil profile.

Question 7

Where are the effects of soil salinization most likely to be seen?

Revolt · Accepted Answer

coastal farmland

Question 8

Why might soils rich in organic matter not be fertile?

Revolt · Accepted Answer

Soil fertility comes from a balance of organic matter and other mineral nutrients.

Question 9

Utilizing ultisols for agriculture requires _______.

Revolt · Accepted Answer

fertilizer to replace nutrients that leach from the soil

Question 10

The organisms native to an area will impact the types of soil found in that area.

Revolt · Accepted Answer

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Soil Around the World Answers