|PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Index Copernicus ICV 2015: 85.95
NAAS RATING 2017: 5.38
The role of humic acid for enhancing biofertilization performance was studied on production potential of cabbage in alluvium soil. Application of Pseudomonas fluorescens (P. fluorescens) in combination with humic acid was evaluated. The results indicated that the P. fluorescens and humic acid both are significantly influenced the productivity of cabbage and physicochemical properties of soil. The highest values of physicochemical properties as pH, EC, organic carbon, available NPK in were observed when the plants were treated by humic acid in the presence of P. fluorescens. There were remarkable increases in available nutrients in rhizosphere of plants those inoculated with biofertilizers in combination with humic acid. Application of P. fluorescens either alone or in the presence of humic acid gave considerable improvement in productivity of cabbage as well as nutrients status. Moreover, application of humic acid gave the highest values of cabbage yield when associated with inoculation or P. fluorescens individually. Also, maximum values of cabbage productivity were obtained from plants those treated with dual inoculation of P. fluorescens and humic acid. Therefore, application of humic acid can be considered as a good approach in enhancement of biofertilizers performance in alluvium soil.