In Humid Regions Repeat Applications of Limestone Are Needed After

question 5

Multiple Choice

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

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Technology

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