Available phosphorus levels are constrained in alkaline and salt-affected soils because of _____.
A)high iron and aluminum levels
B)high exchangeable sodium levels
C)high calcium and magnesium levels
D)high manganese levels
E)low hydrogen ion levels

Question

Quizplus · Accepted Answer

In alkaline and salt-affected soils, the availability of phosphorus is constrained due to high calcium and magnesium levels. These elements can form compounds with phosphorus, making it less available for plant uptake.

Available Phosphorus Levels Are Constrained in Alkaline and Salt-Affected Soils