Changes in soil test P

When phosphorus measured in a Mehlich 3 soil test is high, and then no P fertilizer is applied, how does the P change in the soil? Basically, the soil P goes down in the soil at the rate one would expect it to, based on how much P the grass is using. Most turfgrass species use P at about one-eighth the N use (If N use is 1 kg, the P use is 125 g). This chart shows how Mehlich…