Results of statistical analyze showed giving various doses of fertilizer P had no real effect against soil phosphatase content in greenhouse experiment. However it is known that giving 25% recommendation dose of fertilizer P provide a better influence on the activity of phosphatase in soil. whereas granting of fertilizer P with a dose of 100% recommendation gives a lower value of phosphatase. This shows that granting a high P fertilizer may inhibit the phosphatase activity. This is in line with the results of Fitriatin et al. (2007b) research that reported the granting of inorganic P cause phosphatase lowers on a liquid medium. It is supported by Sarapatka (2003) and the George et al. (2002) that explaining the activity of phosphatase will be hampered by the existence of high P.