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18 questions
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- 1. Multiple Choice
What are the main components of soil?
Water
Air
Bedrock
Minerals
Organic Matter
- 2. Multiple Choice
What are the 3 primary soil particles?
Sand
Silt
Clay
Gravel
- 3. Multiple Choice
Which soil particle is the largest?
Sand
Silt
Clay
- 4. Multiple Choice
Which particle reduces the water holding capacity of soil?
Sand
Silt
Clay
- 5. Multiple Choice
Which of the following is a characteristic of silt?
Rough, gritty feeling
Flat/Platy shape
Reduces water holding capacity
Improves water holding capacity
- 6. Multiple Choice
Which soil particle is the smallest?
Sand
Silt
Clay
- 7. Multiple Choice
The soil triangle is used to determine the soil texture and percentages of sand, silt and clay.
True
False
- 8. Fill in the Blank
What is the soil texture of a 30% sand, 40% silt, 30% clay soil?
- 9. Fill in the Blank
What is the soil texture of a 50% sand, 40% clay, 10% silt soil?
- 10. Fill in the Blank
What is the soil texture of a 30% sand, 50% clay, 20% silt soil?
- 11. Multiple Choice
An naturally formed aggregate is called a clod.
True
False
- 12. Fill in the Blank
What is a naturally formed aggregate called?
- 13. Multiple Choice
The shape of a ped is called its
structure
structure type
structure grade
structure class
- 14. Multiple Choice
The strength of a ped is called its
structure
structure type
structure grade
structure class
- 15. Multiple Choice
What is the structure type of this ped?
Blocky
Granular
Massive
Platy
Prismatic
- 16. Multiple Choice
What is the main structure type of this soil?
Blocky
Granular
Massive
Platy
Prismatic
- 17. Multiple Choice
What is the structure type of these 2 peds?
Blocky
Granular
Massive
Platy
Prismatic
- 18. Multiple Choice
Which of the following are structureless?
Granular
Massive
Platy
Prismatic
Single Grain
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