Texture of Soil - Soil Sieve (Leaving Cert Agricultural Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does soil texture refer to?
What does soil texture refer to?
Proportions of sand, silt, and clay
Which factor is NOT directly influenced by soil texture?
Which factor is NOT directly influenced by soil texture?
Seed germination temperature
What mesh sizes are typically used in soil sieves?
What mesh sizes are typically used in soil sieves?
2mm, 0.2mm, and 0.02mm
What sample weight is typically used for easier calculations?
What sample weight is typically used for easier calculations?
100g
How should sieves be stacked before sieving?
How should sieves be stacked before sieving?
Largest mesh at top, smallest at bottom
How long should sieves be shaken for complete separation?
How long should sieves be shaken for complete separation?
Approximately 10 minutes
If 65g sand, 25g silt, and 10g clay are from a 100g sample, what is the sand percentage?
If 65g sand, 25g silt, and 10g clay are from a 100g sample, what is the sand percentage?
65%
Which characteristic describes sandy soils?
Which characteristic describes sandy soils?
Excellent drainage but lower fertility
What is a key characteristic of clay soils?
What is a key characteristic of clay soils?
Higher fertility but drainage problems
Which is a common source of error in the sieve method?
Which is a common source of error in the sieve method?
Incomplete drying of soil sample