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Table 3 Distribution of particulate organic carbon with depth in three grazing systems in Chepareria, Kenya

From: Enhancing soil organic carbon, particulate organic carbon and microbial biomass in semi-arid rangeland using pasture enclosures

Depth (cm) Particulate organic carbon (g kg−1) Particulate organic nitrogen (g kg−1)
OGR CGE GDE OGR CGE GDE
0–10 1.40 ± 0.21Ca 2.01 ± 0.26Ba 2.28 ± 0.34Aa 0.19 ± 0.12Aa 0.16 ± 0.04Aa 0.16 ± 0.03Ab
10–20 1.20 ± 0.24Cb 1.52 ± 0.26Bb 1.80 ± 0.25Ab 0.17 ± 0.07Aa 0.18 ± 0.02Aa 0.18 ± 0.04Aab
20–40 0.88 ± 0.15Bc 1.31 ± 0.16Ac 1.32 ± 0.19Ac 0.18 ± 0.04Aa 0.18 ± 0.05Aa 0.20 ± 0.03Aa
Pooled mean 1.16 ± 0.30C 1.61 ± 0.37B 1.80 ± 0.50A 0.18 ± 0.07A 0.17 ± 0.05A 0.18 ± 0.04A
  1. Values represent mean ± SD (n = 9). Values with different uppercase letters across the rows (grazing systems) and the lowercase letters within columns (soil depths) are significantly different at P < 0.05
  2. GDE grazing dominated enclosure, CGE contractual grazing enclosure, OGR open grazing range