The present experiment was conducted to study the changes occurred in biological property under the influence of co-inoculation of different bacterial cultures with Rhizobium phaseoli in blackgram grown Vertisols at Research farm, Department of Soil Science and Agricultural Chemistry, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani. | Effect of co-inoculation of different bacterial cultures with rhizobium phaseoli on soil biological properties