Skip to main content

Table 1 The value of different chemical parameters and their max, min, mean, and standard deviation as well as standard reference value for respective parameter

From: Assessment of soil quality for agricultural purposes around the Barapukuria coal mining industrial area, Bangladesh: insights from chemical and multivariate statistical analysis

Variables Max Min Mean Standard deviation Standard reference value
pH 6.83 4.97 5.74 0.53 6.50
‘Total Nitrogen’ % 0.21 0.06 0.12 0.04 0.270.36
‘Organic Matter’ % 3.71 1.08 2.14 0.63 0.63
K, ppm 12.81 1.72 5.95 2.45 0.270.36
P, ppm 65.29 2.84 23.20 14.55 22.5130.00
S, ppm 127.75 2.26 24.14 23.48 22.5130.00
Fe, ppm 24.37 1.27 14.06 7.72 9.1012.00
As, ppm 0.03 0.00 0.01 0.01 0.01
Cu, ppm 2.14 0.25 1.01 0.44 0.450.60
Ni, ppm 1.28 0.10 0.49 0.24
Total alkalinity (as CaCO3) 150 10 59.67 33.78