
Bacillus megaterium
Bacillus megaterium enhances phosphorus solubility by converting insoluble phosphate compounds into bioavailable forms, thereby increasing nutrient accessibility for plant uptake. This accelerates crop development, promotes deepe…
Strength
1 x 10⁸ CFU per gram / 1 x 10⁹ CFU per gram
Benefits
Dosage & Application
Application Methods for Bacillus megaterium in Agriculture
To maximize the bioefficacy of Bacillus megaterium in agricultural systems, the following application strategies are recommended across key crop growth stages:
1. Seed Coating / Seed Treatment
For enhanced early-stage vigor and phosphorus mobilization:
Coat 1 kg of seeds with a slurry made by mixing 10 g of Bacillus megaterium and 10 g of crude sugar in sufficient water to create a uniform layer.
Allow the coated seeds to air-dry in shade before sowing or broadcasting.
This method enhances germination rates, promotes early root colonization, and initiates early phosphorus uptake, critical for crop establishment.
2. Seedling Root Dip Treatment
Ideal for nursery-raised transplants (vegetables, rice, fruit crops):
Prepare a suspension with 100 g of Bacillus megaterium in 10–15 L of clean water (per 1,000 seedlings).
Dip seedling roots for 15–30 minutes before transplantation.
This promotes rhizosphere colonization, improves root system architecture, and confers early protection against soil-borne pathogens.
3. Soil Application
For pre-sowing or basal incorporation:
Mix 3–5 kg/acre of Bacillus megaterium with 50–100 kg of well-decomposed organic manure or compost.
Apply uniformly over the field and incorporate into the top 10–15 cm of soil.
This improves soil microbial activity, increases available phosphorus (Olsen-P), and enhances overall soil fertility and structure.
4. Fertigation / Irrigation Application
To maintain microbial populations during crop growth:
Dilute 3 kg/acre of Bacillus megaterium in 200–300 L of irrigation water.
Apply through drip irrigation, furrow irrigation, or fertigation systems, preferably in the early morning or late afternoon.
Ensures uniform microbial distribution, maintains rhizospheric colonization, and supports ongoing nutrient solubilization and mineralization throughout the crop cycle.
Best Practices for Application Efficiency:
Avoid application alongside chemical fungicides or bactericides within 5–7 days to prevent microbial inhibition.
Ensure soil moisture is adequate post-application for optimal bacterial survival and activity.
Can be co-applied with other biofertilizers such as Azotobacter, PSB, or mycorrhizae
These application techniques ensure the biological performance and ecological integration of Bacillus megaterium in diverse farming systems. The result is enhanced crop performance, improved phosphorus-use efficiency, and long-term soil health, aligning with the goals of sustainable, regenerative agriculture.