Vidyalelo
Agriculture · Q957

Soil Science

Graduate and Post Graduate · Agriculture · question 957

Q957

CEC values for organic soils lies in range of

A.
50 - 100 meq/100 g
Answer
B.
10 - 20 meq/100 g
C.
20 - 50 meq/100 g
D.
150 - 200 meq/100 g

Answer: Option A

Solution

Answer: Option A
Solution:
The cation exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively charged atoms or molecules (cations) but allow these to exchange with other positively charged particles in the surrounding soil water.
CEC values for organic soils lie in the range of 50 - 100 meq/100 g.