Describe about the term - inorganic  phosphorus

The large quantity of carbon dioxide evolved during organic matter decomposition is thought to be important to the release of certain nutrients, particularly inorganic  phosphorus. The carbon dioxide dissolves in water and forms carbonic acid and  decreases soil pH.  This effect would be of greater importance on neutral and alkaline  soils.  Under such conditions the temporary reduction in pH would increase the rate of  release of other elements such as boron, zinc, manganese and iron as well as phosphorus