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The rhizosphere effect can be quantitatively represented by
Answer & Solution
Correct Answer:
Option
C
The rhizosphere effect can be quantitatively represented by the R : S ratio.
The term rhizosphere to soil ratio indicates the number of microbes in rhizospheric soil divided by the number of microbes in soil free of plant roots. R:S ratio is greater for bacteria (20 : 1) and less for fungi and actinomycetes.
The term rhizosphere to soil ratio indicates the number of microbes in rhizospheric soil divided by the number of microbes in soil free of plant roots. R:S ratio is greater for bacteria (20 : 1) and less for fungi and actinomycetes.
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