What Is the Trade-Off in Nutrient Availability Concerning Clay Soils

Multiple Choice

What is the trade-off in nutrient availability concerning clay soils?

A) Anions are less likely to leach out of the soil but difficult for plants to extract.
B) Cations are less likely to leach out of soil but are difficult for plants to extract.
C) high in anion concentration,but clay soils do not hold water well so anions leach away
D) high in both anions and cations,but low pH makes root uptake of ions difficult