bacteria strain

Bacillus thuringiensis

Bacillus thuringiensis

Beneficial Bacteria for Input Diversification, Microbial Stability & Ecological Farming

Bacillus thuringiensis is a spore-forming, naturally occurring soil bacterium widely used in sustainable farming systems as a microbial input to support biological diversity, soil health, and input flexibility. As a trusted crop health bacteria known for its formulation stability and longstanding role in custom microbial inoculants, Bt is a resilient component in organic, regenerative, and transitional crop programs. Its spore-based structure ensures long shelf life and compatibility with composts, teas, microbial consortia, and biological fertilizer programs.

  • Durable, spore-forming agricultural bacteria with broad formulation compatibility for soil and foliar inputs
  • Integrates easily into compost teas, biological formulations, and regenerative soil management systems
  • Contributes to biologically diverse soil ecosystems and supports rhizosphere microbial community resilience
  • Consistent performance across variable cropping environments, with strong historical use in sustainable agriculture
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Biological Input for Plant Health and Crop Resilience

Bacillus thuringiensis is a beneficial microbe for plants found naturally in soil environments and has been widely adopted in agricultural systems for its role in supporting biologically diverse farming practices.

  • Compatible with integrated crop production methods focused on soil and plant health
  • Frequently included in custom microbial inoculants used in soil improvement programs
  • Functions well in organic, regenerative, and transitional agricultural settings

Aligns with Reduced-Input and Ecological Farming Systems

Bt is a beneficial soil microbe often used as part of broader agricultural input strategies that support ecological balance and reduce reliance on synthetic chemicals.

  • Fits into farming systems that prioritize low-residue production goals
  • Considered suitable for growers seeking to diversify microbial input sources
  • Compatible with practices designed to maintain biodiversity and support soil microbial ecosystems

Used in Organic and Sustainable Crop Production

Bt-based microbial inoculant products are commonly included in organic and regenerative management programs and align with many certification standards.

  • Accepted by organic certification bodies including OMRI, Ecocert, and others (when formulated appropriately)
  • Used across diverse cropping systems including vegetables, fruits, row crops, and greenhouse systems
  • Suitable for combination with compost teas, biological soil inoculants, and natural fertilizer alternatives

Long History of Use in Microbial Formulations

Bt is a plant probiotic and microbial biostimulant that has been utilized for decades in microbial input development and is often included in blends designed to complement soil and crop management programs.

  • Supported by decades of agronomic use and environmental research
  • Used as a reference strain in soil ecology studies and rhizosphere consortium design

Supports Rhizosphere Microbial Diversity and Soil Function

Bt is a biofertilizer and soil inoculant that supports microbial diversity in the root zone when applied with other soil microbes or compost-based inputs.

  • Promotes balanced microbial communities when applied with organic matter or microbial composts
  • Contributes to functional diversity in the soil microbiome
  • Frequently used in systems aiming to restore biological function and rhizosphere stability

Formulation-Ready Agricultural Bacteria with Long Shelf Life

Bt is an agricultural bacteria for crops that forms heat- and desiccation-resistant spores, making it highly stable and compatible with various product formats.

  • Performs well in powder, granule, and liquid concentrate formulations
  • Long shelf life under ambient storage conditions
  • Ideal for blending with plant probiotic bacteria and microbial soil conditioners

Why Choose Our Bacillus thuringiensis?

  • Spore-Based Stability for Shelf Life and Formulation Versatility - Our Bacillus thuringiensis is produced as a high-CFU, spore-forming microbial powder, designed for long-term stability and broad compatibility with diverse agricultural inputs. Its robust shelf life and resistance to heat and desiccation make it ideal for custom biological blends.
  • Supports Soil Microbial Diversity and Rhizosphere Function - Bt is a well-documented microbe for plant health with decades of use in agricultural input programs. It is widely used by growers focusing on ecologically informed soil management, microbial diversity, and biological input flexibility across regenerative, organic, and conventional systems.
  • Highly Compatible with Compost, Teas, and Microbial Inputs - Bt is frequently incorporated into microbial inoculant blends for soil conditioning, composting programs, and liquid organic fertilizers. Its compatibility with both aerobic and anaerobic fermentation processes makes it a practical input for organic soil improvement.
  • Adaptable Across Cropping Systems - Bacillus thuringiensis is used across a wide range of cropping environments including vegetables, fruits, broad-acre grains, and greenhouse operations. Its adaptability and spore-forming nature make it easy to integrate into fertigation systems, soil drenches, or dry granular programs.
  • Ideal for Sustainable Input Diversification - Bt is ideal for growers seeking beneficial microbes for plants as part of a strategy to reduce synthetic input dependency. Its biological stability and formulation compatibility make it a valuable tool for input diversification and soil resilience.
  • Trusted Microbial Solutions from a U.S. Producer- We manufacture Bacillus thuringiensis inoculants via precise fermentation in highly concentrated powder formats, ready for wholesale, bulk, or private-label applications. Whether you're building a custom microbial product or sourcing organic-compatible soil inoculants, we deliver consistent quality with technical support.

Looking to buy agricultural microbes like Bacillus thuringiensis bacteria for crop management? Our Bt is a top choice among crop health microbes for growers focused on plant resilience, microbial diversity, and regenerative soil systems. Trusted across sustainable, conventional, and organic operations, it supports strong microbial ecosystems and contributes to long-term soil health. Explore our agricultural microbial strains for sale, including Bacillus thuringiensis, for use in soil inoculants and sustainable crop inputs.

Whether you're looking to source Bacillus thuringiensis for large-scale application or developing a custom microbial blend, Applied Biotech Industries is your U.S.-based partner for bulk, private-label, and wholesale microbial solutions.


Important Compliance Note:
This product is intended for agricultural use as a soil amendment or microbial input. It does not claim to control, mitigate, or prevent pests unless registered with the U.S. EPA as a microbial pesticide. All use must comply with applicable state and federal regulations.

Concentration (CFU/g):

  • 10 billion (1 × 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 year at room temperature
  • 2 years refrigerated 

Storage Recommendations:

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

Foliar Spray

Dosage:

  • 700 - 1800 grams per acre (1,800–4,500 grams per hectare)

Frequency:

  • Begin at vegetative or pre-flowering stages
  • Reapply every 3–5 days or 7-10 days, depending on crop needs

Application Method:

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

Soil Application (Drip, Drench, or Fertigation)

Dosage:

  • 50–100 grams per acre (125–250 grams per hectare)

Frequency:

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

Application Method:

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

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

Q: What is Bacillus thuringiensis and how is it used in agriculture?

A: Bacillus thuringiensis (Bt) is a naturally occurring, spore-forming soil bacterium widely used as a microbial input in sustainable agriculture. It is valued for its long shelf life, formulation stability, and compatibility with organic, regenerative, and transitional farming systems. Bt is frequently incorporated into soil inoculants, compost-based blends, and microbial consortia to support soil microbial diversity and long-term soil health.


Q: How does Bacillus thuringiensis benefit crops without acting as a pesticide?

A: Bt contributes to plant and soil health by promoting a balanced rhizosphere environment. As a spore-forming microbe, it integrates easily with composts, microbial teas, and organic fertilizers to support biological diversity and improve soil ecological function—without functioning as a biopesticide unless specifically EPA-registered as such.


Q: What makes Bacillus thuringiensis different from other beneficial soil microbes?

A: Unlike many vegetative microbes, Bt forms robust spores that are heat- and desiccation-resistant, making it extremely stable in dry powder formulations. This allows for extended shelf life and compatibility with custom blends. Bt is often included as a backbone strain in microbial input development due to its resilience, ease of formulation, and agronomic versatility.


Q: Where can I buy Bacillus thuringiensis and other microbial fertilizers?

A: Applied Biotech Industries offers agricultural bacteria for sale, including biofertilizer-grade Bt in bulk and custom formats. Whether you're sourcing microbial strains for soil health or searching for a microbial inoculant supplier, we deliver consistent, formulation-ready inputs backed by fermentation quality control.


Q: Is Bacillus thuringiensis compatible with organic farming programs?

A: Yes. Bt is widely used in organic agriculture and included in microbial products approved by OMRI, Ecocert, and other certification bodies (when formulated accordingly). It fits well into input strategies focused on reduced residues, biological diversity, and ecological sustainability.


Q: What crops can benefit from Bacillus thuringiensis inoculation?

A: Bt is used across a wide range of crop systems, including vegetables, fruits, broad-acre grains, greenhouse crops, and perennial systems. Its compatibility with multiple delivery methods (e.g., soil drench, compost integration, in-furrow) makes it suitable for many farming operations.


Q: Can Bacillus thuringiensis be used with other beneficial microbes?

A: Absolutely. Bt is often co-formulated with Bacillus, Trichoderma, Pseudomonas, and mycorrhizal fungi in multi-strain soil inoculants. It works synergistically with composts, microbial fertilizers, and fermented inputs to support overall soil microbial balance.


Q: How is Bacillus thuringiensis applied in the field?

A: Bt can be applied through fertigation, drip irrigation, in-furrow application, or as part of compost-based amendments. Its powder form dissolves readily in water and is compatible with most crop inputs, microbial blends, and organic foliar programs.


Q: Is Bacillus thuringiensis stable during storage?

A: Yes. As a spore-forming microbe, Bt offers excellent shelf life. When stored at room temperature, it remains viable for 1 year or longer. Refrigerated storage can extend viability up to 2 years.


Q: What packaging formats are available for Bacillus thuringiensis?

A: Bt is available in 22 lb (10 kg) and 44 lb (20 kg) pails, as well as 340 lb (155 kg) drums. Custom packaging and concentration formats are available upon request to meet the needs of distributors, retailers, and commercial input manufacturers.


Q: Why choose Applied Biotech Industries for Bacillus thuringiensis?

A: We are a trusted U.S. producer of microbial inputs and high-CFU biofertilizer strains for agriculture, specializing in spore-forming bacteria like Bacillus thuringiensis. Our Bt products are known for formulation compatibility, product consistency, and support for custom microbial blend development. We supply wholesale microbial fertilizers suitable for ag retailers, distributors, and large-scale organic growers. Whether you’re sourcing wholesale inoculants, building private-label lines, or seeking a stable strain for soil health programs, we deliver quality, performance, and reliability.

1. Bacillus thuringiensis B3 Enhances Germination and Early Growth in Lettuce and Tomato
🔗 Read the study

Key Findings:

  • Bt B3 significantly improved seed germination rates in lettuce and tomato.
  • Enhanced root development and early plant growth were observed.
  • Demonstrates Bt's potential as a plant growth-promoting bacterium (PGPB).

2. Bacillus thuringiensis PM25 Mitigates Salinity Stress in Maize
🔗 Read the study

Key Findings:

  • Bt PM25 improved maize growth under high salinity conditions.
  • Increased antioxidant enzyme activities and osmolyte accumulation were noted.
  • Suggests Bt's role in enhancing plant resilience to abiotic stresses.

3. Bacillus thuringiensis AZP2 Improves Drought Tolerance in Wheat
🔗 Read the study

Key Findings:

  • Bt AZP2-treated wheat showed higher survival rates under drought conditions.
  • Enhanced biomass production and reduced stress-related volatile emissions were recorded.
  • Indicates Bt's potential in improving water use efficiency and drought tolerance.

4. Bacillus thuringiensis as a Biofertilizer and Biostimulator
🔗 Read the study

Key Findings:

  • Bt can establish as an endophyte in various plants, promoting growth.
  • Demonstrated potential in enhancing plant development and suppressing diseases.
  • Highlights Bt's versatility beyond its insecticidal properties.

5. Bacillus thuringiensis as a Biofertilizer and Plant Growth Promoter
🔗 Read the study

Key Findings:

  • Bt exhibits phosphate-solubilizing capabilities, enhancing nutrient availability to plants.
  • Application of Bt improved root growth and nutrient uptake in various crops.
  • Suggests Bt's role in sustainable agriculture as a biofertilizer.

6. Screening of Plant Growth Promoting Traits of Bacillus thuringiensis
🔗 Read the study

Key Findings:

  • Multiple Bt strains exhibited plant growth-promoting traits such as IAA production, phosphate solubilization, and ACC deaminase activity.
  • Highlights the potential of Bt strains in enhancing plant growth and development.

Inquire about this strain

Address

Applied Biotech Industries 520 Progress Drive Belgium, WI 53004

Contact Info

info@abimicrobes.com
(262) 285-4390

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