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Phosphorus is the most important biogenous element that is fundamentally necessary for biological reproduction in all its forms. The occurrence of phosphorus, in the Earth?s crust like carbon, is an example of geochemical relations. Approximately 170 known phosphor minerals in nature. The basic supplies of phosphorus in the earth crust concentrates in apatite that bonds about 95% of the total quantity of phosphorus in the lithosphere. Phosphates - of world production (80%) comes from sedimentary deposits. We have ...