In humid regions repeat applications of limestone are needed after a few years primarily because of ____. A)the release of aluminum ions from the structure of silicate clays B)the annual loss of calcium and magnesium in drainage waters C)increases in soil acidity from acid rain D)increased rates of formation of carbonic acid (H₂CO₃) E)increases in phosphate fertilization

Question

Quizplus · Accepted Answer

In humid regions with high rainfall, there is a greater likelihood of calcium and magnesium being leached out of the soil by drainage waters. This results in the need for repeat applications of limestone to maintain soil fertility.

In Humid Regions Repeat Applications of Limestone Are Needed After