forest soil
- humusDecayed organic soil matter
- loamFertile soil mixture
- leaf litterDecomposing ground debris
- decomposingOrganic matter breaking down
- earthwormsSoil-dwelling segmented invertebrates
fungi · mycelium · moss · roots · damp · mulch · organic · nutrients · decay · mushrooms · ferns · undergrowth · rich · dark · crumbly · pine needles · composting · microbes
organic content
forest soildepleted soil
Land stripped of nutrients
hardpan · gravel · barren soil · dead soil · sandy soil