The maximum fixation of K occurs
A. in 1 : 1 type clay minerals
B. in 1 : 2 type clay minerals
C. in 2 : 2 type clay minerals
D. in 2 : 1 type clay minerals
Answer: Option D
Solution (By Examveda Team)
The maximum fixation of K occurs in 2 : 1 type clay minerals.Potassium fixation occurs when potassium ions form a surface complex with oxygen atoms in the interlayers of certain silicate clay minerals. Potassium availability is affected by a variety of factors, one of them is soil moisture, soil moisture is required to liberate fixed potassium and provide the soil solution necessary for plant intake.
This Question Belongs to Agriculture >> Soil Science
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