A field experiment was carried out at college of Agriculture, Navile, Shivamogga during kharif 2016 to study Effects of fertilizer P additions on available P, microbial biomass - P and phosphatase enzyme activity under maize (Zea mays L.) in P rich acid soils with and without seed treatment. | Effects of fertilizer P additions on available P microbial biomass - P and phosphatase enzyme activity under maize Zea mays L. in P rich acid soils