Table 5 Comprehensive descriptive statistics of soil quality in the study area.

From: Comprehensive evaluation of soil quality in a desert steppe influenced by industrial activities in northern China

Project

Max

Min

Mean

SD

CV

Skewness

Kurtosis

K-S test

\(IFI\)

0409

0.083

0.211

0.069

0.326

0.929

0.075

0.200

\(\it {\text{PN}}\)

0.734

0.237

0.422

0.104

0.246

0.344

 − 0.198

0.200

\(SQI\)

0.633

0.252

0.403

0.088

0.217

0.600

0.286

0.200*

  1. *After logarithmic conversion. Max maximum, Min minimum, SD standard deviation, CV coefficient of variation, K-S Kolmogorov–Smirnov, IFI integrated fertility index, PN Nemerow pollution index, SQI soil quality index.
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