Calcium Helps Restore Acid-Damaged Forests
Calcium can do much more than strengthen bones. The mineral is a critical nutrient for healthy tree growth, and new research shows that adding it to the soil helps reverse the decades-long decline of forests ailing from the effects of acid rain.
The paper, published in the journal Environmental Science and Technology (EST) Letters, and led by John Battles, professor of forest ecology at the UC Berkeley, also presents strong evidence that acid rain impairs forest health.
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