Skip to main content

Table 2 Mean and standard deviation of soil samples

From: A chemical and multivariate statistical approach to assess the spatial variability of soil quality for environment around the Tamabil coal stockpile, Sylhet

Chemical parameters Mean ± standard deviation
Range: layer one (surface, around 0.5 ft)
Mean ± standard deviation
Range: layer 2 (1.5 ft, sub-surface)
pH 4.93 ± 0.98 4.91 ± 0.94
Total nitrogen 0.28 ± 0.14 0.30 ± 0.19
OM 3.57 ± 2.01 3.23 ± 1.88
K 0.31 ± 0.27 0.46 ± 0.29
P 6.48 ± 2.50 5.5 ± 1.20
S 56.49 ± 42.66 45.02 ± 15.84
Fe 10.49 ± 5.24 10.06 ± 5.55
As 0.03 ± 0.05 0.03 ± 0.06