Phosphorus availability in acid soils is constrained by the presence of significant quantities of reactive ______.
A)iron
B)calcium
C)magnesium
D)sulfur
E)boron.

Question

Quizplus · Accepted Answer

Acid soils usually have high levels of aluminum and iron oxides, which can adsorb and fix phosphorus, limiting its availability to plants. Calcium and magnesium often play a beneficial role in balancing soil pH, while sulfur and boron are not typically involved in phosphorus availability in acid soils.

Phosphorus Availability in Acid Soils Is Constrained by the Presence