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Agriculture · Q420

Soil Science

Graduate and Post Graduate · Agriculture · question 420

Q420

If pH of soil increases, then which of the following statement is false?

A.
ZPC increases
B.
CEC decreases, AEC increases
Answer
C.
ZPC decreases
D.
AEC decreases, CEC increases

Answer: Option B

Solution

Answer: Option B
Solution:
It pH of the soil increases, then
CEC, Cation exchange capacity which is a useful indicator of soil fertility increases with an increase in the pH of the soil.
AEC (Anion exchange capacity) represents the positive charge available to attract anions in soil and is not pH-dependent, as constant-charge soil particles carry no significant positive charge.