Environment & Ecology · Soil Carbon Sequestration
What biochemical dynamic occurs when low-quality crop residues (high C:N ratio) are added to an agricultural field?
- 1It immediate enhances crop biodiversity across all trophic levels.
- 2It favors the rapid saturation of mineral-associated organic matter over particulate forms.
- 3It preferentially builds up more particulate organic matter (POM) than mineral-associated organic matter (MAOM).✓
- 4It permanently stops the soil from interacting with atmospheric gases.
Correct answer
It preferentially builds up more particulate organic matter (POM) than mineral-associated organic matter (MAOM).
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