Everything You Always Wanted to Know About Soils, but Were Afraid to Ask

Tuesday, June 2, 2009

South Florida soil consists of rock, sand, marl and muck. The rock is known as Miami limestone, which is an alkaline calcium carbonate. It is not coral rock as some believe. Miami limestone is high in pH (7.8-8.1), does not retain water or nutrients well and makes growing many plants a challenge. Our type of limestone is very young geologically and is found only one other place in the world (Bahamas). It was formed when the shallow seas covering much of South Florida receded exposing the ocean...
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