Allelocliemicals may enter in the soil through the process of_________________?
Correct answer: B. Root exudation
- A. Diffusion
- B. Root exudation
- C. Mass flow
Explanation
Root exudation releases compounds directly from living roots into the surrounding soil, making it a major route by which allelochemicals enter the rhizosphere. Diffusion and mass flow may move these compounds afterward but are not the source process intended here.
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