C-horizon


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C-horizon

the first soil horizon above the bedrock.
References in periodicals archive ?
The SOC storage in paddy soils was 0.17 Pg, accounting for 13.47% of total SOC storage (Table 3), of which 0.054 Pg SOC was in the upper plough horizon, 0.044 Pg SOC was in the P-pan horizon and 0.07 Pg SOC was in the C-horizon.
In the study area, the mean SOC content in C-horizon soils (0.81%) and in the P-pan horizon (1.14%) was much higher than in other soil types.
The A-, B-, and C-horizon soil and willow leaf samples were collected from 21 sites combined.
Soil sample pits were dug to a depth that included the C-horizon.
Extremely low nitrogen levels are a common feature of both Arenosol and C-horizon of Luvisol soils used for these experiments.
The current results with C-loess (C-horizon) of Luvisol, despite acidification of rhizoplane, there was no corresponding increase in tissue P concentration as reported above [16].