Moderate
Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:
Correct answer: B. 58%
- A. 72 %
- B. 58%
- C. 62 %
- D. Al of the above
Explanation
Soil organic matter is conventionally estimated to contain about 58% organic carbon, with the remainder consisting mainly of hydrogen, oxygen, nitrogen and mineral components. The 58% factor is used to convert organic carbon into approximate organic matter.
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