Role of Bacillus subtilis in Promoting Soil Health and Nutrient Cycling, learn about beneficial bacteria potential

Today we are going to tell you about one of the components for RootX and why it will help you with having success with your crop!

Bacillus subtilis, a key player in a healthy rhizosphere, boosts soil health and nutrient cycling, promoting sustainable agricultural practices through natural process. This paper reviews mechanisms like plant growth enhancement, stress mitigation, and improved nutrient availability.

The overuse of chemical fertilizers depletes soil health. Beneficial microorganisms like Bacillus subtilis offer eco-friendly alternatives, enhancing nutrient cycling and plant growth while acting as biocontrol agents.

Mechanisms of Action

• Root Colonization: B. subtilis forms biofilms on roots, enhancing nutrient uptake and offering pathogen protection.

• Nutrient Mobilization: Solubilizes phosphorus, fixes nitrogen, and produces siderophores to increase iron availability.

• Plant Growth Promotion: Produces phytohormones (IAA, GA) and volatile organic compounds (VOCs), improving growth and stress tolerance.

• Biocontrol Potential: Produces antimicrobial compounds like lipopeptides (surfactin, iturin) to combat pathogens.

  
  

Enhancing Soil Health and Plant Growth B. subtilis (just one of many beneficial bacteria available) boosts microbial diversity and interacts synergistically with other microbes like mycorrhizal fungi, leading to improved nutrient uptake and crop yield.

Case Studies

• Study 1: Shows B. subtilis with vermicompost improving soil health and soybean yields.

• Study 2: Explores B. subtilis' role in biocontrol and growth promotion through metabolite production.

• Study 3: Highlights Bacillus spp.'s contribution to plant growth and stress resilience via phytohormones and VOCs.

  
  
  
  

  Bacillus subtilis is essential for enhancing nutrient cycling, soil health, and sustainable agriculture. Its integration into farming reduces reliance on chemical inputs, promoting higher crop yields and healthier soils.

  
  

References:

Mukhopadhyay, M., Mukherjee, A., Ganguli, S., Chakraborti, A., Roy, S., Choudhury, S. S., Subramaniyan, V., Kumarasamy, V., Sayed, A. A., El-Demerdash, F. M., Almutairi, M. H., Şuţan, A., Dhara, B., & Mitra, A. K. (2023). Marvels of Bacilli in soil amendment for plant-growth promotion toward sustainable development having futuristic socio-economic implications. Frontiers in Microbiology, 14, 1293302. Link to article. Tsotetsi, T., Nephali, L., Malebe, M., Tugizimana, F. (2022). Bacillus for Plant Growth Promotion and Stress Resilience: What Have We Learned? Plants, 11, 2482. Link to article. Hashem, A., Tabassum, B., Abd_Allah, E. F. (2019). Bacillus subtilis: A plant-growth promoting rhizobacterium that also impacts biotic stress. Saudi Journal of Biological Sciences, 26, 1291-1297. Link to article