Bacillus velezensis

Bacterial Soil Enhancer for Phytohormone Production, Nutrient Release, and Plant Health

Bacillus velezensis is a spore-forming, plant-beneficial bacterium used as a soil probiotic and biofertilizer to improve crop performance and soil function. Known for its production of phytohormones, enzymes, and organic acids, B. velezensis promotes root development, enhances nutrient availability, and supports microbial balance in the rhizosphere. This microbial biostimulant contributes to the decomposition of organic matter, improves stress resilience, and performs well in organic, regenerative, and conventional systems.

Main Functions:

Promotes root growth and plant vigor through auxin-like compounds and beneficial VOCs
Solubilizes phosphorus, potassium, and micronutrients to enhance nutrient uptake
Produces enzymes that decompose organic matter and improve soil structure
Supports microbial activity and plant resilience in the root zone under abiotic stress
Compatible with diverse cropping systems and application methods

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Promotes Plant Growth and Root Development

Functions as a plant growth-promoting rhizobacterium (PGPR) that enhances root elongation, nutrient uptake, and early plant vigor through microbial metabolite production and rhizosphere activity.

Produces auxin-like phytohormones (e.g., indole-3-acetic acid) that stimulate root branching and development
Increases root surface area and nutrient absorption efficiency
Emits VOCs such as acetoin and 2,3-butanediol that enhance plant growth and stress resilience

Improves Nutrient Availability and Soil Fertility

Acts as a biofertilizer that enhances phosphorus, potassium, and nitrogen availability while contributing to organic matter turnover.

Solubilizes phosphate via organic acid secretion, including gluconic acid
Mobilizes potassium and micronutrients for improved plant access
Produces hydrolytic enzymes (cellulases, xylanases, proteases, β-glucanases) that break down complex organic matter
Supports nitrogen mineralization and complements nitrogen-fixing microbial communities

Supports Plant and Root Zone Health

Maintains a balanced rhizosphere and promotes microbial stability through natural biochemical interactions.

Produces lipopeptides (e.g., surfactin, fengycin, bacillomycin) that shape microbial interactions in the root zone
Secretes chitinases and β-glucanases involved in nutrient cycling and organic matter turnover
Forms root-surface biofilms for stable colonization and competitive microbial presence
Stimulates plant responses linked to enhanced resilience and adaptability

Enhances Soil Health and Microbial Ecology

Acts as a beneficial soil microbe by improving soil structure, moisture retention, and microbial diversity through physical and biochemical mechanisms.

Forms stable biofilms that promote root colonization and microbial persistence
Improves soil aggregation and porosity, boosting water-holding capacity
Supports beneficial microbial consortia through quorum sensing and chemical signaling
Enhances humus formation via organic matter transformation

Increases Tolerance to Abiotic Stress

Helps plants maintain performance under stress conditions by modulating root-zone microbial activity and plant signaling.

Influences plant gene expression related to drought, salinity, and oxidative stress tolerance
Improves resource use efficiency under nutrient- or water-limited environments
Maintains microbial activity and root health across environmental fluctuations

Accelerates Residue Breakdown and Composting

Functions as a soil fertility microbe that promotes decomposition of organic residues and compost maturation through broad-spectrum enzyme activity.

Breaks down crop residues, straw, and organic inputs using cellulases, ligninases, and proteases
Enhances composting speed and nutrient content of finished compost
Facilitates humification and boosts microbial quality of compost-amended soils

Versatile Compatibility and Application Flexibility

Performs reliably across systems and application methods, making it suitable for diverse farming practices.

Compatible with organic, regenerative, and conventional systems
Synergizes well with other microbial inoculants, including Trichoderma spp. and mycorrhizae
Can be applied via seed treatment, soil drench, foliar spray, or fertigation
Functions effectively across a wide range of soil types and climates

Why Choose Our Bacillus velezensis?

High CFU Count for Consistent Root Zone Colonization – Manufactured at 300 billion CFU/g, our Bacillus velezensis formulation ensures strong spore viability, rapid colonization, and dependable activity across diverse crops and soil conditions.
Auxin-Like Compounds and VOCs for Root Development – Produces phytohormone-like metabolites and beneficial VOCs that promote root elongation, enhance seedling vigor, and optimize early-stage nutrient uptake.
Organic Acid and Enzyme Production for Nutrient Release – Secretes gluconic acid and a suite of hydrolytic enzymes (cellulases, xylanases, proteases) that solubilize phosphorus, potassium, and micronutrients while decomposing organic residues.
Biofilm Formation and Rhizosphere Resilience – Forms stable biofilms on root surfaces, creating a competitive microbial presence that supports nutrient exchange and microbial community balance under environmental stress.
Improves Soil Structure and Fertility – Enhances aggregation, porosity, and humus formation through organic matter transformation, leading to improved water retention and long-term soil health.
Compatible with Biological Inputs and Farming Systems – Integrates easily into organic, regenerative, and conventional programs. Works synergistically with Trichoderma, mycorrhizal fungi, compost teas, and biofertilizer blends.
Trusted U.S. Manufacturer of High-Performance Microbial Inoculants – We supply spore-forming Bacillus velezensis strains for agricultural and soil applications—available in bulk, private-label, and wholesale packaging formats.

Looking to buy the best bacteria for soil health? Our Bacillus velezensis is a reliable microbial inoculant used for plant growth, nutrient mobilization, and soil conditioning. Applied Biotech Industries offers commercial-grade microbial fertilizers for plants available in bulk, wholesale, and private-label formats, tailored for modern organic and regenerative agriculture. Whether you're searching for the best microbes for soil health or need a custom biofertilizer formulation, contact us today to buy biofertilizers and agricultural bacteria from a U.S. producer committed to quality and sustainability.

Concentration (CFU/g):

300 billion (3.0 × 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:

25–50 grams per acre (65–130 grams per hectare)

Frequency:

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

Application Method:

Dissolve 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:

5–10 grams per acre (12.5–25 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 microbes
Do not mix with herbicides, fungicides, bactericides, or pesticides

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

Seed Treatment

Dosage:

2–4 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

Composting or Organic Matter Amendment

Dosage:

2.5–5 grams per cubic meter of compost, organic substrate, or potting mix

Frequency:

Single application before use or at the beginning of composting/soil blending

Application Method:

For composting, dissolve powder in water. Then spray piles and turn to evenly distribute product through the piles/windrows.
For organic matter amendment, evenly mix the dry microbial powder growing media during turning or mixing

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Q: What is Bacillus velezensis and why is it used in agriculture?

A: Bacillus velezensis is a spore-forming, plant growth-promoting rhizobacterium (PGPR) used as a soil probiotic, biofertilizer, and microbial inoculant. It enhances root development, nutrient uptake, and microbial balance in the rhizosphere. Known for its production of phytohormones, organic acids, and enzymes, it supports plant vigor, nutrient cycling, and soil health across a wide range of farming systems.

Q: How does Bacillus velezensis improve nutrient availability and soil fertility?

A: B. velezensis acts as a phosphate- and potassium-solubilizing bacterium. It secretes gluconic acid and enzymes that mobilize phosphorus, potassium, and micronutrients (e.g., Fe, Zn, Mn) from insoluble forms, enhancing fertilizer efficiency and nutrient uptake in crops.

Q: Can Bacillus velezensis help with organic matter decomposition or composting?

A: Yes. B. velezensis produces cellulases, xylanases, and proteases that break down crop residues and organic inputs. This activity accelerates composting, contributes to humus formation, and increases nutrient availability in soil-amended or compost-treated systems.

Q: Is Bacillus velezensis compatible with organic farming?

A: Yes. B. velezensis is naturally occurring and widely used in organic and regenerative agriculture. It is compatible with organic-certified systems, though users should confirm formulation compliance with their certifier.

Q: How does Bacillus velezensis support plant health under stress?

A: B. velezensis improves plant performance under drought, salinity, and nutrient-deficient conditions by promoting root development, enhancing nutrient absorption, and supporting beneficial microbial populations in the rhizosphere.

Q: How is Bacillus velezensis applied in the field or compost systems?

A: It can be applied via soil drench, in-furrow application, seed treatment, foliar spray, or fertigation. It is also suitable for compost inoculation and works well when blended with other microbial fertilizers, Trichoderma, or mycorrhizal fungi.

Q: Is Bacillus velezensis compatible with other biological products?

A: Generally yes. B. velezensis performs synergistically with other beneficial microbes for plants, including soil fungi, mycorrhizae, and biofertilizer blends. Compatibility with chemical treatments should be tested prior to combined use.

Q: Where can I buy agricultural bacteria like Bacillus velezensis?

A: You can purchase Bacillus velezensis directly from Applied Biotech Industries, a U.S.-based microbial inoculants supplier. We offer high-viability microbial products for sustainable agriculture, available in bulk, wholesale, and private-label formats.

Q: What packaging sizes are available for Bacillus velezensis?

A: We supply Bacillus velezensis in dry powder in 22 lb pails, 44 lb pails and 340 lb drums (10 kg pails, 20 kg pails, and 155 kg drums).

Q: What is the shelf life of Bacillus velezensis?

A: When stored in a dry environment at room temperature, Bacillus velezensis remains viable for at least 18 months. Refrigerated storage can further extend shelf life and product performance.

Q: What makes Applied Biotech a trusted source for microbial fertilizers?

A: Applied Biotech Industries is a U.S. manufacturer of high-quality beneficial soil bacteria, offering commercial-grade microbial fertilizers backed by controlled fermentation, rigorous quality assurance, and technical support. Our products are ideal for farmers, composters, and input formulators seeking the best bacteria for soil health and nutrient cycling.

Q: Can I buy Bacillus velezensis in wholesale, private-label, or bulk formats?

A: Yes. Applied Biotech Industries supplies Bacillus velezensis in bulk quantities, private-label formulations, and wholesale packaging. Whether you're sourcing biofertilizers for your farm, composting operation, or branded microbial product line, we provide tailored solutions for organic farming microbes, soil inoculants, and plant growth-promoting bacteria.

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Safety Data Sheet (SDS)

**1. Bacillus velezensis Enhances Tomato Yield and Quality**
🔗 Read the study

Key Findings:

Application of B. velezensis strain 83 led to a significant increase in tomato fruit yield and quality.
Observed improvements included higher fruit weight, increased lycopene content, and enhanced antioxidant capacity.
The strain demonstrated potential as a biofertilizer in sustainable tomato cultivation.

**2. Bacillus velezensis Activates Beneficial Soil Microorganisms to Promote Cucumber Growth**
🔗 Read the study

Key Findings:

Inoculation with B. velezensis stimulated the proliferation of beneficial soil microbes post-fumigation.
Enhanced microbial activity contributed to improved cucumber plant health and growth.
The study highlights the role of B. velezensis in restoring soil microbiota and promoting plant development.

**3. Bacillus velezensis as a Multifunctional Agent for Maize and Soybean Cultivation**
🔗 Read the study

Key Findings:

Strain exhibited plant growth-promoting and phosphate-solubilizing properties.
Application resulted in increased biomass and nutrient uptake in maize and soybean.
The strain shows promise as a multifunctional inoculant in agriculture.

**4. Bacillus velezensis Improves Soil Nutrient Availability and Tree Seedling Growth**
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Key Findings:

Inoculation with strains YH-18 and YH-20 enhanced soil nutrient content and pH stability.
Promoted growth parameters such as diameter, height, and leaf area in tree seedlings.
Supports the use of B. velezensis in forestry and soil restoration efforts.

**5. Bacillus velezensis Stimulates Rhizosphere Microbiota to Enhance Plant Health**
🔗 Read the study

Key Findings:

B. velezensis interactions with resident Pseudomonas species in the rhizosphere improved plant health.
Synergistic relationships led to enhanced disease resistance and growth promotion.
Highlights the importance of microbial consortia in sustainable agriculture.

**6. Bacillus velezensis Promotes Growth and Stress Tolerance in Plants**
🔗 Read the study

Key Findings:

Application of B. velezensis enhanced plant growth and conferred salt stress tolerance.
The strain produced cytokinins and volatile organic compounds beneficial for plant development.
Demonstrates potential for improving crop resilience under abiotic stress conditions.

**7. Bacillus velezensis SAAS-63 Enhances Nutrient Uptake and Plant Growth**

🔗 Read the study

Key Findings:

Inoculation with B. velezensis SAAS-63 improved nutrient uptake in plants, leading to enhanced growth.
The study utilized multi-omics approaches to elucidate the mechanisms behind the observed growth promotion.
Results indicated that SAAS-63 positively influenced the rhizosphere microbial community, contributing to better nutrient availability.

**8. Bacillus velezensis AR1 Facilitates Phosphorus Solubilization for Plant Nourishment**

🔗 Read the study

Key Findings:

B. velezensis AR1 demonstrated the ability to solubilize insoluble phosphorus sources, making them available for plant uptake.
Application of AR1 led to improved plant growth parameters, including increased biomass and root development.
The study highlights the potential of AR1 as a biofertilizer to enhance soil fertility and crop productivity.

Bacillus velezensis