Skip to main content

Table 4 Distribution of microbial biomass carbon and nitrogen 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) Microbial biomass carbon (µg g−1) Microbial biomass nitrogen (µg g−1)
OGR CGE GDE OGR CGE GDE
0–10 77.08 ± 5.25Ca 88.22 ± 6.16Ba 96.63 ± 5.31Aa 37.57 ± 2.01Ba 38.44 ± 2.26Ba 40.9 ± 5.68Aa
10–20 73.67 ± 4.27Cb 81.05 ± 3.74Bb 94.10 ± 5.55Aa 36.24 ± 2.50Aa 37.57 ± 3.45Ab 37.89 ± 3.30Ab
20–40 32.05 ± 7.25Cc 38.94 ± 10.42Bc 47.77 ± 6.04Ab 18.01 ± 3.71Cb 22.09 ± 3.04Ac 21.64 ± 3.34Ac
Pooled mean 60.93 ± 21.36C 69.40 ± 23.04B 79.50 ± 23.28A 31.97 ± 7.49B 31.34 ± 10.00B 33.48 ± 9.49A
  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 rangeland