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Agriculture · Q239

Soil Science

Graduate and Post Graduate · Agriculture · question 239

Q239

K release is more from

A.
Biotite
B.
Hornblende
C.
Muscovite
D.
Phlogophite
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
K release is more from Phlogophite. It is well known that non-exchangeable K release can greatly influence soil fertility.
Phlogophite is a yellow, greenish, or reddish brown member of the mica family of phyllosilicates. It is also known as magnesium mica with a chemical formula KMg3AlSi3O10(F, OH)2.