Clay Soils Have a Large Cation Exchange Capacity and Can

Question

Clay soils have a large cation exchange capacity and can store large amounts of:
A) chloride.
B) phosphate.
C) potassium.
D) nitrate.
E) oxide.

Accepted Answer

Clay soils have a large cation exchange capacity, which allows them to store and supply cations to plants effectively. Potassium is a cation (positively charged ion), making it one of the nutrients that clay soils can hold in significant amounts, benefiting plant growth by providing an essential nutrient for various physiological processes.