Biology · Ecology and Environment
Why is the microbial population in the rhizosphere significantly higher than in bulk soil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Due to significantly lower competition in the rhizosphere soil
- 2Because sunlight directly reaches the rhizosphere
- 3Due to root exudates providing nutrients and carbon sources✓
- 4Because soil moisture is higher near roots
Correct answer
Due to root exudates providing nutrients and carbon sources
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