Potassium deficiency in plants is most common on light,sandy soils.This is likely because:
A)percolation of water through sandy soils leaches potassium from the soil.
B)roots grown in sandy soil can't absorb potassium.
C)potassium ions are too tightly bound to sand particles to be used by plants.
D)plants grown in sandy soil don't require potassium.

Question

Quizplus · Accepted Answer

Sandy soils have larger pores and lower water holding capacity, which leads to faster drainage and leaching of nutrients, including potassium. This results in lower availability of potassium for plants and makes potassium deficiency more common in plants grown in sandy soils.

Potassium Deficiency in Plants Is Most Common on Light,sandy Soils