Phosphate Solubilising Bacteria (PSB) is a microbial biofertilizer containing beneficial phosphate-solubilizing bacteria that convert insoluble phosphorus present in the soil into plant-available forms. It enhances phosphorus availability, promotes vigorous root development, and improves nutrient uptake for healthy crop growth. Regular application increases fertilizer use efficiency, supports higher crop productivity, and improves long-term soil fertility.
Phosphate Solubilising Bacteria (PSB)
Natural Phosphorus Enrichment for Improved Soil Fertility
Unlocks Soil Phosphorus | Improves Nutrient Availability | Enhances Root Development
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Key Benefits
Converts insoluble soil phosphorus into plant-available forms.
Promotes strong root development and early crop establishment.
Improves phosphorus uptake and overall nutrient use efficiency.
Reduces dependence on chemical phosphatic fertilizers.
Enhances soil microbial activity and improves soil fertility.
Supports healthy crop growth, better yield, and improved produce quality.
Method of Application & Dosage
| Crop(s) | Target / Benefit | Dosage & Application Guidelines |
|---|---|---|
| Cereals, Pulses, Oilseeds, Cotton, Sugarcane, Vegetables, Fruits, Plantation Crops, Spices, Medicinal Crops, and Horticultural Crops. | Improves phosphorus uptake and overall nutrient use efficiency. | 300-400ml/acre |
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Frequently Asked Questions (FAQS)
What is Phosphate Solubilising Bacteria (PSB) used for? −
It is a biofertilizer that converts insoluble phosphorus into plant-available forms for better crop nutrition.
How does PSB benefit crops? +
It improves phosphorus availability, promotes root growth, and enhances nutrient uptake.
Which crops can use PSB? +
It is suitable for fruits, vegetables, cereals, pulses, oilseeds, plantation, and horticultural crops.
How is PSB applied? +
It can be applied through seed treatment, soil application, root dipping, or drip irrigation as recommended.
What are the key benefits of PSB? +
It improves phosphorus availability, enhances root development, increases soil microbial activity, improves crop vigor, and supports higher yields.


















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