Experimentation with inoculation of 8 different strains of Aspergillus niger with P solubilisation potential into plants of Piper longum showed drastic variation in growth parameters and development pattern as compared to control plants which is quite evident from the values obtained during the growth period. | Evaluation of phosphate solubilisation potential of eight isolate of aspergillus niger and their utility in enhancing the growth of piper longum under field condition
