A. 5.0 to 6.2
B. 6.0 to 7.2
C. 7.0 to 8.2
D. 4.0 to 5.2
✅ The correct answer is option B.
In general, optimum availability occurs between a soil pH of 6.0 and 7.0.
In general, optimum availability occurs between a soil pH of 6.0 and 7.0.