It can be washed out when it rains or it can be released to the atmosphere, whereas phosphorus combines with calcium and iron, and can be preserved in the soil for thousands of years.
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Related: calcium
Prev: Soy products like tofu, tempeh and fortified soymilk do double duty in this regard, since they provide both calcium and protein.
Next: Studies have also showed that milk can be excellent for helping sleep because there is calcium in it, which helps people to relax.
