An important component of total soil C is charcoal, also known as:__________?
Correct answer: A. Both A & B
- A. Both A & B
- B. Biochar
- C. Black C
- D. None of the above
Explanation
Charcoal is a carbon-rich black material and is commonly termed black carbon; when produced or applied specifically for soil improvement, it is called biochar. Both terms therefore fit the intended description.
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