This NSW DPI webpage explains how cation exchange occurs in soil, how it is measured, the effect of changes in pH and the different CEC levels in different types of soils. t laboratories and its effects on nutrient availability for plant growth in agricultural systems. It includes links to regional cation exchange data for Western Australia, New South Wales and Victoria. While this website is written for NSW, it would also be relevant for other Australian states. #
Topics:
Cations
CEC measurement
pH and CEC
CEC levels
Aluminium and sodium
Average CEC of North Coast (NSW) soils
Leaching
Improving CEC