Biofertilizer project list Production of Liquid Biofertilizer by using azotobacter species and study of their effect on leguminous plant Isolation, purification of rhizobium species and Study of their effect on yield and growth parameters of various Leguminous plants. Isolation and purification of Azolla from soil and production of liquid biofertilizer for improving Low nitrogen Isolation , purification of Phosphate solubilizing bacteria (PSB), production of liquid biofertilizer and study their roles in plant growth promotion Isolation and purification of Potassium solubilizing bacteria (KSB), production of liquid biofertilizer and study Mechanisms of Production of Liquid Biofertilzer