Sugarcane is a heavy nutrient exhaustive and long duration crop. It suffers from nutrient imbalance due to gap between nutrient removal and application. The depleting soil health and crop productivity in the sugarcane area of Bihar are a major concern. The frequent and excessive use of chemical fertilizers have created various problems like deficiency of secondary and micronutrients, decline in crop productivity and increasing environmental pollution. The use of biofertilizers improves soil fertility by fixing atmospheric nitrogen, solubilizing insoluble phosphates, producing plant...