Where should soil samples be collected from?
A
Option A: From the field where there is an upper white layer of salts
B
Option B: From the boundaries of the field
C
Option C: From the field immediately after applying fertiliser or amendments
D
Option D: None of these
Correct answer D. None of these
Explanation
Samples must represent the whole field, so they should avoid recently fertilised spots, salt crusts and field edges, which would give misleading test results.
Answer checked 11 October 2026 · How we write and check questions
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