Physical Properties (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 good soil structure create that allows air to reach plant roots?
What does good soil structure create that allows air to reach plant roots?
Network of pores & channels
Which soil particle type is the largest and creates good drainage?
Which soil particle type is the largest and creates good drainage?
Sand particles
What term describes the ideal balance of sand, silt, and clay particles?
What term describes the ideal balance of sand, silt, and clay particles?
Loam
What problem can clay soils experience due to their water-holding properties?
What problem can clay soils experience due to their water-holding properties?
Waterlogging
Soil temperature significantly influences which of the following?
Soil temperature significantly influences which of the following?
Seed germination rates
What is the typical Total Pore Space percentage in compacted soils?
What is the typical Total Pore Space percentage in compacted soils?
30-40%
How does organic matter improve soil physical properties?
How does organic matter improve soil physical properties?
Binds particles into stable aggregates
Which erosion prevention method involves ploughing across slopes?
Which erosion prevention method involves ploughing across slopes?
Contour ploughing
Which weathering type involves freeze-thaw cycles cracking rocks apart?
Which weathering type involves freeze-thaw cycles cracking rocks apart?
Physical weathering
What percentage of pore space should healthy, uncompacted soils contain?
What percentage of pore space should healthy, uncompacted soils contain?
50-60%