Question

TOPIC: Cation exchange capacity (CEC) determination in soil

 First of all, search and understand the meaning and the importance of the parameter in agriculture.

 Explain the analysis methods with details. If there are more than one methods, you must mention about the other methods as well.

 Find the limits and their meanings including the reference you used (Ex: 0-5 Low, 5-10 Medium, 10-15 High etc. (FAO, 2005)

 Do not forget to include your references.!

Answer 1