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Carbon Cycle
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Total cards: 2•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
• Soil Organic Matter and Humus:
Back (Answer)
• Soil inputs can increase carbon content due to microbial stimulation and formation of new biomass. • Soil organic matter produced by decomposing residues varies per ecosystem based on decomposition rates influenced by temperature. • SOM functions: AEC/CEC contribution, nutrient release/retention, pollutant depletion, taxonomic classification. • Respiration affects soil redox potential due to CO2 increase and O2 decrease. No till soil has concentrated carbon in upper layers, higher moisture content, and lower microorganism metabolic activity.
#2
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