2. Soil Science

Soil Management — Quiz

Test your understanding of soil management with 5 practice questions.

Practice Questions

Question 1

Which of the following is NOT one of the three pillars of conservation agriculture?

Question 2

A farmer wants to increase soil organic carbon by 0.5\% in the top 20 cm of a 1 ha field with soil mass 2 600 t. If using biochar with 70\% organic matter by mass, what mass of biochar (in tonnes) is required?

Question 3

Which instrument is used to directly measure soil infiltration rates in field conditions?

Question 4

A bench-level ebb-and-flow system floods and drains a 20 m^2 propagation bench 4 times per day. Each flood cycle applies 15 L/m^2. What is the total daily water volume used?

Question 5

At what soil penetration resistance threshold (in MPa) is root growth generally restricted due to compaction?