P Source Phosphorous Solubilising Bacteria Fertilizers

• P source means Bacillus polymyxa , Bacillus megaterium , Pseudomonas, Pseudomonas striata ,Aspergillus awamori these fungal bacteria used as manure.
• The dormanat forms of P source on reacting the soil gets activated & produces fresh batch of active cells.
• These cells grow & multiply by utilizing the carbon source in the soil or from root exudates.
• During their growth, they solubilise the fixed phosphorus in the soil & make it available in the plant in an easily usable form.
• It also secretes certain acids such as a lactic , gluconic, fumaric,succinic and acetic acid which convert insoluble tricalcium phosphate & rock phosphate & rock phosphate into soluble form.
• Its makes frees the bound P in soil & make available to the plant.
• Solubilise & made available to the plants about 30kg phosphorus/ha/year.
• Encourages early root development.
• Acts as plant growth promoting bacterium.
• Produced organic acid like succinic acid , which hastens the maturity & there by increases the ratio of grain & yield.
• Compatible with other beneficial microbes in the rhizosphere.
• Stimulates formation of fats, convertible starches & healthy seeds.
• Helps rapid cell development in plants.

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