Soil and Agriculture Answers

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1
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Which of the following is not true concerning crop rotation?

A
It reduces soil compaction by turning the soil.
B
It grows different, dissimilar crops in series.
C
It prevents the depletion of nutrients by any single crop variety.
D
It improves soil structure and fertility.
2
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Which of the following are characteristic of American agriculture?

A
high productivity on limited cultivable land
B
a large percentage of the population engage in agriculture
C
high levels of productivity and mechanization
D
low levels of land per farmer and productivity per hectare
3

Explain why conservation is the most important strategy in the soil management programs of agriculture.

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4

Explain how Dutch agriculture uses technology to fully control the growing environment of crops.

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5

Which of the following is not a method for addressing soil contamination?

A
Excavate and dispose of the soil.
B
Use microbes to digest the contaminants.
C
Use heat to force the contaminants into the gas phase and out of the soil.
D
None of the above
6

Where would contour farming and terraces be most likely to be found?

A
on flat, expansive grasslands
B
in wetlands
C
on hilly, mountainous farm land
D
near the coast
7

Explain the difference between selective breeding and genetic engineering in the development of food crops with desirable traits.

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8

Explain how flooding rice fields reduces the need for herbicides and pesticides in rice farming.

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9

Explain why the produce from tropical plantations are profitable to the local communities that grow them, but not as profitable as finished goods.

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10

Which of the following is true concerning pastoralism?

A
It occurs in small areas of land with high yields.
B
It occurs in forests and grasslands.
C
It is a modern agricultural technique.
D
It revolves around herding livestock.

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