Multiple choice

Which one of the following is a phosphate solubilising microorganism?

  1. Bacillus subtilis

  2. Acetobacter diazotroph

  3. Rhizobium radicicola

  4. Azotobacter vinelandii
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A Correct answer
Explanation

Bacillus subtilis is well-documented as a phosphate-solubilizing bacterium that helps convert insoluble phosphorus into forms available for plant uptake.

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