According to the diagram, what sources contribute to the phosphorus found in soil? According to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

There are no venn diagrams available however sources that can contribute to the phosphorus found in soil are rock formations that are found within an enviroment. Other sources of phosphorus can come from decaying matter that are found deep within the soil. This process takes hundreds or even thousands of years to completely exhaust or give off phosphorus into the soil.