ORIGIN – Bradyrhizobium japonicum inoculant for soybean

Strong early nodulation

Bradyrhizobium japonicum supports competitive root colonization and early nodule initiation, helping soybean plants establish an efficient nitrogen-fixing symbiosis soon after emergence. Strong early nodulation supports a more consistent biological nitrogen supply throughout the growing season.

 

Enhanced root development

Bradyrhizobium japonicum helps support early root growth, root branching, and rhizosphere activity, improving the plant’s ability to explore soil for water and nutrients. A stronger root system contributes to better crop establishment, nutrient-use efficiency, and resilience under variable field conditions.

 

Uniform stand establishment

Consistent microbial delivery to the seed helps promote reliable nodulation and more even early crop performance across the soybean stand. Strong early vigor supports uniform canopy development, better competition with weeds, and improved yield potential.

 

Improved nitrogen supply

Through biological nitrogen fixation, Bradyrhizobium japonicum helps convert atmospheric nitrogen into plant-available forms. This supports nitrogen nutrition during key vegetative and reproductive stages, helping reduce crop stress and supporting pod development, seed fill, and grain quality.

• Bradyrhizobium japonicum is a Gram-negative, symbiotic nitrogen-fixing bacterium used in soybean inoculants. After application to the seed or root zone, the bacterium colonizes emerging soybean roots and responds to plant root exudates. This interaction triggers the nodulation process, leading to the formation of root nodules where B. japonicum lives in close association with the plant.

 

• Inside the nodules, B. japonicum converts atmospheric nitrogen into plant-available nitrogen through biological nitrogen fixation. The soybean plant supplies the bacteria with energy from photosynthesis, while the bacteria provide fixed nitrogen that supports vegetative growth, pod development, and grain fill.

 

• By establishing an effective soybean–rhizobia symbiosis early in the crop cycle, B. japonicum helps improve nitrogen availability, supports strong root and shoot development, and contributes to more efficient nitrogen management in soybean production systems.

Recommended application rate:

20 mL per kg of soybean seed

This rate is designed to provide uniform seed coverage while avoiding overwetting during on-farm seed treatment.

Treatment capacity:

Approximate coverage based on a 20 mL/kg seed application rate and standard soybean seed units.

Pack size	Seed treated	Approximate area covered
1 L ORIGIN	~50 kg seed / about 2 soybean seed bags	~2 acres
20 L ORIGIN	~1,000 kg seed / about 42 soybean seed bags	~42 acres

Coverage may vary depending on seed size, seed rate, and local planting density.

Application guidelines

On-farm seed treatment:

• Prepare a slurry using clean, non-chlorinated water and a suitable sticking agent such as gum arabic or molasses.

 

• Add ORIGIN at 20 mL per kg of soybean seed and mix thoroughly until a uniform slurry is formed.

 

• Apply the slurry evenly onto soybean seed to achieve complete and consistent seed coverage. Allow treated seed to dry under shaded conditions before planting.

 

• For best nodulation performance, plant treated seed within 12 hours of inoculation. Avoid exposing treated seed to direct sunlight, excessive heat, or drying conditions that may reduce rhizobia viability.

Use treated seed for planting only.

Important use notes

• Use on soybean seed or approved legume crops only.
• Use freshly prepared slurry; do not store prepared mixtures.
• Do not expose inoculated seed to direct sunlight or excessive heat.
• Compatibility with chemical seed treatments should be confirmed before use unless otherwise stated.
• Do not mix directly with harsh chemicals, disinfectants, strong acids, strong alkalis, or pesticide products unless compatibility has been evaluated.

 

ORIGIN is designed to fit into standard soybean fertility and biological crop programs when used according to recommended application guidelines.

Compatible with:

Fertility programs
Can be used alongside standard soybean fertility programs, including phosphorus and potassium nutrition, where products are applied separately or compatibility has been confirmed.

Micronutrients
Suitable for use in programs containing micronutrients such as zinc, manganese, boron, and copper, provided rates are agronomically appropriate and compatibility is verified before mixing.

Biostimulants
Compatible with many biological and biostimulant inputs, including amino acids, seaweed extracts, humic substances, and fulvic acids, subject to physical and biological compatibility testing.

Important: Avoid direct tank mixing with harsh chemicals, disinfectants, high-salt fertilizers, strongly acidic or alkaline products, and pesticides unless compatibility has been confirmed.

Nitrogen management caution

To support maximum nodulation, avoid high-nitrogen conditions during application and early crop establishment. Excess readily available nitrogen can reduce nodule formation and limit the plant’s reliance on biological nitrogen fixation.

Recommendation:
For best results, use a low-nitrogen or nitrogen-free starter program and allow Bradyrhizobium japonicum to establish an active nitrogen-fixing symbiosis early in the season.

Available sizes

1 L | 20 L | 100 L

Storage and handling

Recommended handling

• Shake or stir well before each use.
• Store at 5–25°C.
• Keep in a cool, shaded place.
• Use within 6 weeks of manufacturing, or within the stated shelf-life on the label.
• Use clean, non-chlorinated water where dilution is required.
• Use promptly after opening.
• Apply during seed treatment, at planting, or shortly after planting for best nodulation performance.

Avoid

• Freezing temperatures.
• Exposure above 35°C.
• Direct sunlight.
• Leaving the product open for extended periods.
• Mixing with harsh chemicals, disinfectants, strong acids/alkalis, or pesticides unless compatibility has been confirmed.