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Table 2 Pearson correlation coefficients (r) between soil physicochemical, microbial parameters, and enzyme activities among different land uses of a semiarid region of Delhi

From: Assessment of soil microbial and enzyme activity in the rhizosphere zone under different land use/cover of a semiarid region, India

  SC SN SC/SN SP SM SMBC SBR SSIR SMBC/SC qCO2 β-glu Dha Ure APh
SC 1 0.996** − 0.248 0.616 0.486 0.998** 0.991** 0.998** − 0.710 − 0.990** 0.984* 0.963* 0.348 0.919
SN   1 − 0.321 0.653 0.416 0.997** 0.997** 0.990** − 0.681 − 0.983* 0.992** 0.981* 0.275 0.899
SC/SN    1 − 0.301 0.446 − 0.295 − 0.325 − 0.186 − 0.354 0.160 − 0.414 − 0.444 0.495 − 0.198
SP     1 − 0.292 0.592 0.706 0.607 − 0.696 − 0.684 0.602 0.756 − 0.434 0.257
SM      1 0.481 0.364 0.520 − 0.377 − 0.459 0.401 0.234 0.988** 0.720
SMBC       1 0.989** 0.993** − 0.665 − 0.979 0.992** 0.964* 0.346 0.931
SBR        1 0.984* − 0.706 − 0.986** 0.985* 0.989** 0.219 0.866
SSIR         1 − 0.744 − 0.994** 0.971* 0.948* 0.384 0.918
SMBC/SC          1 0.801 − 0.585 − 0.642 − 0.256 − 0.494
qCO2           1 − 0.954 − 0.953 − 0.316 − 0.867
β-glu            1 0.977* 0.266 0.914
Dha             1 0.086 0.811
Ure              1 0.622
APh               1
  1. SC soil carbon, SN soil nitrogen, SP soil phosphorus, SM soil moisture, SMBC soil microbial biomass carbon, SBR soil basal respiration, SSIR soil substrate-induced respiration, SMBC/SC soil microbial biomass carbon to soil carbon ratio, qCO2 metabolic quotient, SC/SN soil carbon to soil nitrogen ratio, β-glu β-glucosidase, APh acid phosphatases, Dha dehydrogenase, Ure urease
  2. * Correlation is significant at the 0.05 level
  3. ** Correlation is significant at the 0.01 level