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Agriculture · Q318

Soil Science

Graduate and Post Graduate · Agriculture · question 318

Q318

Exchange acidity is determined by which method?

A.
Kononova's
B.
Sokonov's
Answer
C.
Kappen's
D.
SMP method

Answer: Option B

Solution

Answer: Option B
Solution:
The exchange acidity is the number of meq/100 grams of soil which consist of hydrogen, aluminum, and aluminum mono and di-hydroxide ions. The remainder of the cation change capacity would consist of exchangeable bases such as sodium, potassium, calcium and magnesium.
Exchange acidity is determined by Sokonov’s method.