Bacillus pumilus

Next-Generation Microbial Inoculant for Phosphate Solubilization and Crop Resilience

Bacillus pumilus is a high-performance biofertilizer and plant growth-promoting rhizobacterium (PGPR) that enhances nutrient cycling, soil health, and plant development. It solubilizes phosphorus, supports nitrogen availability, and stimulates beneficial rhizosphere microbes. This versatile soil inoculant accelerates crop residue decomposition, strengthens root systems, and improves yield potential, while also boosting plant tolerance to salinity, drought, and heavy metals.

Solubilizes phosphate for improved nutrient uptake
Enhances nitrogen cycling and fertilizer efficiency
Supports natural plant defense responses (ISR activation)
Stimulates phytohormone production for robust plant growth
Improves stress tolerance to drought, salinity, and heavy metals

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As a natural biofertilizer and biostimulant, B. pumilus solubilizes phosphorus, facilitates nitrogen conversion, accelerates organic matter decomposition, and enhances soil structure, providing a more productive growing environment. Beyond improving soil health, the soil probiotic actively supports plant vigor and stress tolerance. It aids crops in adapting to environmental challenges such as salinity, drought, and heavy metal stress, while also reinforcing their natural defense mechanisms against external threats.

Unlocking Phosphorus for Better Nutrient Absorption

As a phosphate-solubilizing bacterium, Bacillus pumilus converts insoluble phosphates into plant-available nutrients, improving early root growth and reducing dependence on synthetic phosphate fertilizers.

Solubilizes rock phosphate and calcium phosphate in the soil
Improves early root growth, flowering, and fruiting
Minimizes phosphorus runoff and fertilizer waste

Optimizing Nitrogen Efficiency and Soil Fertility

This nitrogen-fixing soil probiotic plays a key role in nitrogen cycling by converting organic nitrogen into forms plants can use. Its action supports soil health and reduces fertilizer losses.

Increases nitrate availability for crop uptake
Reduces nitrogen leaching and improves efficiency

Strengthens Natural Plant Defenses and Triggers Induced Systemic Resistance (ISR)

This agricultural microbe activates plant immune signaling through ISR-related pathways, helping crops build resilience to environmental and biological stress. Colonized plants often exhibit improved biomass, nutrient uptake, and overall performance.

Activates jasmonic acid and salicylic acid defense pathways
Enhances biomass accumulation and yield even under stress

Boosting Plant Growth with Phytohormones

Bacillus pumilus is a plant growth-promoting rhizobacteria (PGPR) that produces plant growth hormones that accelerate development and boost yields. These natural bioactive compounds replace the need for synthetic stimulants.

Produces IAA, gibberellins, and cytokinins for root and shoot growth
Accelerates seed germination and early-stage establishment
Increases plant biomass and overall productivity

Adaptability to Harsh Growing Conditions

Widely used in organic farming, this beneficial soil bacterium enhances crop resilience under environmental stress, especially in saline, drought-prone, or contaminated soils.

Improves salt tolerance via osmotic balance and enzyme activity
Enhances drought resistance through deeper root growth
Reduces cadmium and heavy metal uptake in polluted soils

Improving Soil Structure and Organic Matter Breakdown

This soil probiotic improves soil texture and rapidly decomposes organic material. These effects support better root access, nutrient cycling, and long-term fertility.

Enhances soil porosity, aeration, and water movement
Breaks down crop residues to release plant-available nutrients

Natural Enzyme and Organic Acid Production

Bacillus pumilus secretes enzymes and organic acids that unlock bound minerals and micronutrients, improving overall rhizosphere function.

Produces acids like citric and gluconic to solubilize minerals
Releases enzymes that enhance nutrient cycling and root uptake

Eco-Friendly Solution for Sustainable Farming

This biofertilizer aligns with regenerative agriculture and organic soil inoculant practices by improving nutrient cycling and reducing chemical input dependence.

Enhances nitrogen and phosphorus bioavailability
Supports soil aggregation via exopolysaccharide production

Biofertilizer Summary

Key Benefit	Description
Phosphate Solubilization	Unlocks bound phosphorus in soil, enhancing root growth and boosting yields.
Nitrogen Cycling & Soil Fertility	Facilitates nitrogen conversion, improving soil fertility and reducing fertilizer runoff.
Microbial Support for Soil & Plant Resilience	Supports a balanced microbiome and root colonization, enhancing plant adaptability.
Supports Natural Plant Defense Responses	Strengthens natural defense pathways, improving plant resilience to environmental stressors.
Plant Growth Promotion via Phytohormones	Produces IAA, gibberellins, and cytokinins to stimulate root elongation and biomass growth.
Salt Tolerance	Regulates osmotic balance and enhances stress adaptation in saline soils.
Drought Resilience	Promotes deeper root growth and water-use efficiency under limited moisture conditions.
Heavy Metal Detoxification	Reduces uptake of cadmium and other heavy metals, helping remediate contaminated soils.
Improved Soil Structure & Residue Decomposition	Enhances soil aggregation and organic matter breakdown for better aeration and water retention.
Enhanced Micronutrient Availability	Increases the bioavailability of essential micronutrients needed for optimal plant metabolism.
Organic Acid & Enzyme Production	Secretes bioactive compounds that mobilize nutrients and improve soil nutrient cycling.
Eco-Friendly & Sustainable Farming Solution	Supports organic and regenerative farming by reducing reliance on synthetic inputs.

Why Choose Our Bacillus pumilus?

High CFU Count and Shelf-Stable Formulation - Manufactured at concentrations up to 500 billion CFU/g, our spore-forming B. pumilus delivers long-lasting viability, high application efficiency, and shelf stability. It performs reliably across a range of crops, climates, and soil types.
Multi-Functional Biofertilizer and Soil Probiotic - Our Bacillus pumilus strain enhances plant growth by promoting phosphorus solubilization, nitrogen cycling, and microbial balance in the rhizosphere. It produces natural phytohormones and organic acids that stimulate root elongation and improve soil fertility and plant vigor while reducing dependence on synthetic inputs.
Supports Natural Plant Immunity and Stress Resilience - By triggering induced systemic resistance (ISR), our strain strengthens plant defense signaling via jasmonic and salicylic acid pathways. It helps crops resist abiotic stressors like salinity, drought, and heavy metals, improving performance in challenging field environments.
Non-GMO and Regenerative Farming Compatible – Our B. pumilus is naturally occurring, non-GMO, and ideal for regenerative and organic farming. It integrates seamlessly with compost-based systems and biological inputs, offering a clean-label solution for soil health and plant nutrition.
U.S.-Made by ABI for Bulk and Private-Label Use – Applied Biotech Industries (ABI) is a U.S. microbial fertilizer manufacturer specializing in high-CFU, fermentation-based biofertilizers. We produce Bacillus pumilus in powder format for agricultural distributors, wholesalers, and input manufacturers.

Looking to buy Bacillus pumilus for agriculture? ABI offers wholesale microbial inoculants for soil health, plant nutrition, and regenerative farming. Whether you need a phosphate-solubilizing bacteria, a plant probiotic, or a private-label biofertilizer, we deliver quality U.S. manufacturing and field-tested performance.

Concentration (CFU/g):

500 billion (5.0 × 10¹¹) CFU/g dry powder
Custom concentrations available upon request

Particle Size (Mesh):

Passes through 100 mesh sieve

Packaging Options:

22 lb (10 kg) pails
44 lb (20 kg) pails
340 lb (155 kg) drums
Smaller custom packaging available on request

Shelf-life:

1.5 years at room temperature
2+ years refrigerated

Storage Recommendations:

Store in a cool, dry location away from direct sunlight.
Reseal container tightly after each use.

Soil Application (Drip, Drench, or Fertigation)

Dosage:

20–40 g per acre (50–100 g per hectare)

Frequency:

Apply during early root establishment or transplanting
Reapply every 2–4 weeks during active growth stages as needed

Application Method:

Dissolve powder thoroughly in water (use enough water to reach the root zone)
Use an agitation tank or manual stirring to maintain microbial suspension
Apply through drip irrigation lines, micro-sprayers, or fertigation systems, positioning flow as close to the root zone as possible
Flush the system after application to prevent clogging or residue buildup

Do not tank mix with herbicides, fungicides, bactericides, or chemical pesticides.

In-Furrow

Dosage:

4–8 grams per acre (10–20 grams per hectare)

Frequency:

Apply once at planting to target root initiation and early growth stages.

Application Method:

Dissolve microbial powder thoroughly in water.
Apply directly into the seed furrow or planting trench at seeding time.
If using irrigation systems for delivery, ensure solution contacts the root zone.
Maintain agitation to prevent settling.

When tank-mixing with fertilizers:

Dilute fertilizer fully in water first before adding microbial powder
Do not mix with herbicides, fungicides, bactericides, or pesticides

Seed Treatment

Dosage:

1–2 grams per kg of seed

Frequency:

Single application before planting

Application Method:

Mix thoroughly with a sticking agent (e.g., sugar solution, gum arabic)
Coat seeds evenly, ensuring full surface coverage

Allow seeds to dry gently in the shade before sowing

Foliar Spray

Dosage:

12.5–25 grams per acre (30–60 grams per hectare)

Frequency:

Begin at vegetative or pre-flowering stages
Reapply every 7–14 days, especially during periods of high stress or disease pressure

Application Method:

Apply in the early morning or evening to reduce UV exposure
Use a non-ionic surfactant or wetting agent for improved adhesion
Ensure thorough coverage of foliage, including undersides of leaves
Agitate spray solution continuously during application

Important Notes for Best Results:

Ensure compatibility with other agricultural inputs before combining.
Always maintain agitation to prevent settling and ensure consistent microbial coverage.
Follow recommended dosages closely to maximize microbial benefits and soil health improvements.

Q: What is Bacillus pumilus and how does it benefit crops?

A: Bacillus pumilus is a high-performance biofertilizer and plant growth-promoting rhizobacterium (PGPR) that enhances soil fertility, improves plant resilience, and optimizes nutrient uptake. This microbial inoculant solubilizes phosphorus, supports nitrogen cycling, and strengthens soil microbiome health, helping farmers achieve higher yields with reduced reliance on synthetic fertilizers.

Applied Biotech Industries manufactures and supplies Bacillus pumilus in bulk, ensuring high microbial viability and consistency in every batch.

Q: Where can I buy Bacillus pumilus in bulk?

A: Bacillus pumilus is manufactured and supplied in bulk by Applied Biotech Industries. We produce this high-potency agricultural inoculant at our state-of-the-art fermentation facility in Wisconsin, USA. Our bulk packaging options are available in dry powder form in 22 lb pails, 44 lb pails and 340 lb drums (10 kg pails, 20 kg pails, and 155 kg drums). We supply wholesale quantities for large-scale farms and agricultural operations, distributors, and fertilizer manufacturers.

Q: Does Applied Biotech Industries manufacture Bacillus pumilus?

A: Yes, Applied Biotech Industries is a leading manufacturer of Bacillus pumilus. We use advanced fermentation technology to produce high-quality, high-viability microbial biofertilizers. Unlike many resellers, we control the entire production process, ensuring purity, potency, and reliability for agricultural use.

Q: In what form is Bacillus pumilus available, and how is it used?

A: Bacillus pumilus is produced and supplied by Applied Biotech Industries as a highly concentrated, dry powder formulation with 500 billion CFU per gram, ensuring maximum microbial viability and shelf stability.

While we manufacture and supply this strain as a powder, many of our clients incorporate it into their own liquid formulations for use in fertigation systems, foliar sprays, and microbial soil amendments. This flexibility allows custom blending into biofertilizer, biostimulant, and soil health products to meet specific agricultural needs.

‍Q: Is Bacillus pumilus a GMO?

A: No, this beneficial soil bacteria is naturally occurring and non-GMO. Our company cultivates this strain without genetic modification and maintains strict quality control to ensure natural, sustainable microbial solutions for agriculture.

Q: Can Bacillus pumilus be used in organic farming?

A: Yes, it is a soil probiotic and organic-compatible agricultural microbe that naturally enhances soil fertility, nutrient availability, and plant resilience. Many organic growers use our Bacillus pumilus supply to improve crop health without synthetic inputs. Check with your organic certification body to confirm compliance.

Q: How does Bacillus pumilus improve soil fertility?

A: Bacillus pumilus enhances soil health and fertility through:

Phosphate solubilization – Converts bound phosphorus into plant-available forms.
Nitrogen cycling – Enhances nitrogen availability, reducing fertilizer loss.
Soil microbiome support – Promotes beneficial microbial diversity.
Root development – Stimulates root elongation and nutrient uptake.
Soil structure improvement – Increases aeration, water retention, and organic matter breakdown.

Applied Biotech Industries manufactures Bacillus pumilus for medium and large-scale agricultural applications, helping farmers and soil amendment companies improve nutrient efficiency and crop productivity.

Q: Can Bacillus pumilus be mixed and applied with fertilizers?

A: Yes, however when tank mixing with fertilizer, add Bacillus pumilus after the fertilizer is fully diluted in water. Do not tank mix with herbicides, fungicides, bactericides, or pesticides.

For best results, mix or shake Bacillus pumilus in a small volume of water to pre-mix, then add to the tank to help ensure even dispersion. Maintain agitation throughout the application to prevent settling.

Q: Can Bacillus pumilus be mixed and applied with pesticides?

A: No. Avoid mixing with pesticides, bactericides and fungicides during application, as these can impact microbial viability.

Q: What crops benefit the most from Bacillus pumilus?

A: Our Bacillus pumilus inoculant is widely used in:

Row crops (corn, wheat, rice, barley) – Increases nutrient efficiency & root strength.
Fruits & vegetables (tomatoes, peppers, citrus) – Enhances growth & stress resistance.
Legumes & oilseeds (soybeans, peanuts, sunflower) – Optimizes nitrogen fixation.
Leafy greens (lettuce, spinach, kale) – Improves micronutrient absorption.
Specialty crops (tobacco, coffee, cocoa) – Supports root development & soil health.

Q: How is Bacillus pumilus applied?

A: Bacillus pumilus can be applied using various agricultural methods, including:

Seed Treatment – Improves germination and seedling vigor.
Soil Drench – Enhances soil microbiome and root nutrient uptake.
Foliar Spray – Increases stress tolerance and plant resilience.
Drip Irrigation – Delivers microbes directly to the root zone.
Compost & Organic Matter Enrichment – Boosts decomposition and soil structure.

We provide bulk supply options for agricultural businesses, distributors, and fertilizer manufacturers looking to incorporate Bacillus pumilus into commercial farming programs.

Q: Is Bacillus pumilus safe for the environment?

A: Yes. Bacillus pumilus is a sustainable, eco-friendly biofertilizer that improves soil fertility without harming the environment. It helps reduce chemical fertilizer dependency, restore soil microbial balance, and support long-term agricultural sustainability.

Q: Does Applied Biotech Industries offer bulk ordering for Bacillus pumilus?

A: Yes! We manufacture and supply Bacillus pumilus in bulk for commercial use. We offer:

Direct bulk supply to medium and large-scale farms, agricultural companies and distributors
Large-volume packaging options in 22 lb pails, 44 lb pails and 340 lb drums (10 kg pails, 20 kg pails, and 155 kg drums).
Consistent high-quality fermentation for superior viability
Technical support for integration into soil health programs

Key Findings:

Application of B. pumilus TUAT-1 spores to rice seeds significantly increased tiller number, plant height, and grain yield.
The strain improved nitrogen uptake efficiency, supporting early vegetative growth and productivity.

Bacillus pumilus