1. Soil organic carbon and its dynamics
1.1 Definition of soil organic carbon and its quantification
Organic carbon enters the soil primarily in the form of plant litter and root exudates. These plant-derived materials are biotransformed and mineralized by soil organisms, mainly micro-organisms (bacteria and fungi). Soil organic matter (the main functions of which are presented in figure 1 ) is therefore mainly composed of living and dead biomass, decaying plant litter, and substances of microbial origin.
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Soil organic carbon and its dynamics
Past and future evolution of soil organic carbon stocks
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