Food preparation YamStudy pool, section Y2A

Subelement Y2

YAM CULTIVATION

Section Y2A

Soil preparation and requirements

Y2A01

What soil type is most suitable for yam cultivation?

A.
Heavy clay soil
B.
Sandy soil with poor drainage
Correct Answer
C.
Well-drained, fertile loamy soil
D.
Alkaline soil with high salt content

Y2A01

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Y2A02

What is the optimal soil pH range for yam cultivation?

Correct Answer
A.
5.5 to 6.5
B.
7.5 to 8.5
C.
3.0 to 4.0
D.
9.0 to 10.0

Y2A02

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Y2A03

What traditional soil preparation technique is specifically used for yam cultivation in West Africa?

A.
Slash and burn only
Correct Answer
B.
Mounding or making yam heaps
C.
Deep plowing with tractors
D.
Flooding fields before planting

Y2A03

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Y2A04

How deep should soil be tilled for optimal yam production?

A.
5-10 cm (2-4 inches)
B.
10-15 cm (4-6 inches)
C.
15-20 cm (6-8 inches)
Correct Answer
D.
25-30 cm (10-12 inches) or more

Y2A04

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Y2A05

Which of the following is NOT recommended in soil preparation for yams?

A.
Adding organic matter
B.
Ensuring good drainage
Correct Answer
C.
Compacting the soil firmly
D.
Breaking up clods and removing stones

Y2A05

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Y2A06

What role do mounds play in traditional yam cultivation?

Correct Answer
A.
They provide good drainage and loose soil for tuber expansion
B.
They protect against frost damage
C.
They prevent pollen cross-contamination
D.
They reduce water requirements

Y2A06

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Y2A07

What is the optimal soil organic matter content for yam production?

A.
Less than 1%
Correct Answer
B.
Between 2% and 5%
C.
Exactly 10%
D.
Greater than 15%

Y2A07

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Y2A08

Which practice helps maintain soil fertility in yam production systems?

A.
Continuous monocropping
B.
Removing all crop residues
C.
Avoiding all organic inputs
Correct Answer
D.
Crop rotation with legumes

Y2A08

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Y2A09

What traditional soil conservation technique is often paired with yam cultivation in tropical regions?

Correct Answer
A.
Alley cropping
B.
Deep ripping
C.
Flood irrigation
D.
Permanent bare fallow

Y2A09

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Y2A10

What should be avoided when selecting a site for yam cultivation?

A.
Areas with morning sun
B.
Loamy soil
Correct Answer
C.
Waterlogged areas with poor drainage
D.
Areas with previous legume crops

Y2A10

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