Table 1 Results of linear fitting analysis between GIR and soluble salt content and pH of culture medium.

From: Phosphorus-solubilizing bacteria improve the growth of Nicotiana benthamiana on lunar regolith simulant by dissociating insoluble inorganic phosphorus

PSBs

Linear fitting equation between GIR and salinity

R2

Linear fitting equation between GIR and pH

R2

B. mucilaginosus

y = 9.1807x − 54.269

0.1212

y = 38.434x − 264.56

0.0615

B. megaterium

y = 12.245x − 8.4898

0.3566**

y = 12.4x − 19.633

0.0096

B. subtilis

y = 20.721x − 29.372

0.6938***

y = −1.4785x + 42.075

0.0014**

B. licheniformis

y = 31.688x − 124.44

0.541**

y = −52.88x + 328.52

0.4207**

P. fluorescens

y = 0.7443x + 52.143

0.0034**

y = −29.917x + 172.23

0.6704**

  1. Data used for these analyses is provided in Supplementary data, worksheets 18 and 19.
  2. *** indicates p < 0.001, and ** indicates p < 0.01.