Supplementary Table 1: Functional diversity in bacterial isolates from rhizosphere of Saccharum munja colonizing abandoned Bhatti mine and bulk region(Siderophore activity was categorized on the basis of the diameter of the yellow-orange colour zone developed around the colony in CAS assay, 1+:0.1–0.25 cm; 2+:0.26–0.5 cm; 3+:0.51–0.75 cm; 4+:0.76–1.0 cm; and 5+:>1.0 cm; Phosphate solubilization activity was categorized on the basis of the diameter of the yellow colour zone developed around the colony on phosphate solubilizing medium,1+:0.1–0.40 cm; 2+:0.41–0.80 cm; 3+:0.81–1.20 cm; 4+:1.21–1.60 cm; and 5+:>1.60 cm; IAA activity was categorized on the basis of the diameter of the red or purple halo developed on the nitrocellulose membrane after treating with Salkowski reagent, 1+:0.1–0.20 cm; 2+:0.21–0.40 cm; 3+:0.41–0.60 cm; 4+:0.60–0.80 cm; 5+: >0.80 cm;ACC deaminase activity was categorized on the basis of the extent of bacterial growth (%) on DF Salts medium supplemented with ACC in comparison to their positive control maintained on nitrogen supplemented medium,1+:1–20%; 2+: 21–40 %; 3+:41–60 %; 4+:61–80%; and 5+:81–100%; Nitrogen-fixation ability was categorized on the basis of the extent of bacterial growth (%) on DNFC) medium in comparison to the positive control maintained on N-supplemented medium,1+:1–20%; 2+:21–40 %; 3+:41–60 %; 4+:61–80%; and 5+:81–100%; Polyphosphate activity was categorized on the basis of the diameter of the bacterial colony on selective acetate minimal medium,1+:0.1–0.40 cm; 2+: 0.41–0.80 cm; 3+:0.81–1.20 cm; 4+:1.21–1.60 cm; and 5+:>1.60 cm;Cyanogenic activity was categorized on the basis of the intensity of colour change of picrate paper lined in sealed Petri plate of bacterial culture maintained on glycine supplemented Kings B medium, 1+:light orange; 2+:orange; 3+:orangish-brown; 4+:brown; and 5+:intense brown)

Bacterial isolate / Siderophore
production / IAA production / ACC deaminase
activity / HCN production / Antagonism / N2-fixation / Polyphosphate
accumulation / Phosphate solubilization / GenBank accession /bankit number
CaHPO4 / AlPO4 / FePO4 / Ca3(PO4)2
Rhizosphere (in winter)
Bacillus cereus BGSm235 / 3+ / 2+ / 3+ / - / - / 4+ / 5+ / - / 2+ / - / - / 13024518
B. cereus BGSm236 / 4+ / 2+ / 3+ / - / - / - / 5+ / 4+ / - / - / 4+ / 13024519
B. cereus BGSm237 / 4+ / 2+ / 5+ / - / - / - / 4+ / 4+ / - / - / 3+ / GU363293
B. cereus BGSm244 / 4+ / 4+ / 3+ / - / - / 2+ / 4+ / 2+ / - / 4+ / - / GU363234
B. cereus BGSm245 / 5+ / 4+ / 3+ / - / - / - / 4+ / - / - / - / - / GU363235
B. cereus BGSm246 / 2+ / - / 4+ / - / - / - / 4+ / - / - / - / - / GU363236
B. cereus BGSm247 / 3+ / 5+ / 2+ / - / - / - / 4+ / - / - / - / - / GU363237
B. cereus BOSm205 / 3+ / - / - / - / - / 1+ / - / 4+ / - / - / - / GU363204
B. cereus BOSm226 / 5+ / 2+ / 2+ / - / - / - / - / - / - / - / - / 13024507
B. cereus BOSm227 / 5+ / 2+ / 3+ / - / - / - / 5+ / 5+ / - / - / - / GU363220
B. cereus BOSm228 / 3+ / 3+ / 1+ / - / - / - / 5+ / 5+ / 4+ / 5+ / - / GU363221
B. cereus BOSm229 / 1+ / - / 1+ / - / - / 1+ / 5+ / 5+ / 1+ / - / - / 13024509
B. firmus BGSm248 / 3+ / - / - / - / - / - / - / - / - / - / - / 1339937
B. firmus BGSm249 / 4+ / 5+ / 2+ / - / - / 4+ / - / - / - / - / - / 1334297
B. flexus BGSm239 / 3+ / - / 1+ / - / - / - / - / - / - / - / 2+ / GU363230
B. flexus BGSm240 / - / - / - / - / - / - / 4+ / 4+ / - / 4+ / - / 1340716
B. flexus BGSm241 / 3+ / - / 1+ / - / - / - / 5+ / - / - / 3+ / - / GU363231
B. flexus BOSm203 / 3+ / 4+ / - / - / - / - / 5+ / - / - / - / 5+ / GU363202
B. foraminis BGSm233 / 2+ / 3+ / 2+ / - / - / - / - / - / - / - / 5+ / 13024516
B. licheniformis
BGSm250 / 4+ / 2+ / 2+ / - / - / - / - / - / - / - / - / 1340702
B. megaterium BOSm201 / 5+ / 5+ / - / - / 1+ / 2+ / - / - / - / - / 3+ / 1334000
B. megaterium BOSm202 / 2+ / 4+ / - / - / - / - / 5+ / - / - / - / 5+ / GU363201
B. pumilus BGSm231 / 2+ / - / - / - / - / 3+ / - / - / - / - / - / 13024511
B. pumilus BGSm232 / 2+ / - / 1+ / - / - / - / - / - / - / - / - / 13024514
B. pumilus BGSm234 / 2+ / 2+ / 2+ / - / - / 1+ / - / - / - / - / - / 13024517
B. pumilus BGSm243 / 3+ / 2+ / 4+ / - / - / 2+ / - / 1+ / - / 5+ / - / GU363233
B. pumilus BGSm251 / 5+ / 2+ / - / - / - / - / 4+ / 3+ / - / - / 3+ / GU363238
B. pumilus BOSm 212 / 1+ / 5+ / 1+ / - / - / - / 4+ / - / - / - / - / GU363209
B. pumilus BOSm206 / 1+ / - / - / - / - / 1+ / 3+ / 1+ / 4+ / 5+ / - / GU363205
B. pumilus BOSm208 / 1+ / - / 1+ / 4+ / - / 2+ / 3+ / 5+ / 4+ / - / - / ------
B. pumilus BOSm209 / 1+ / - / 1+ / - / - / 2+ / 3+ / 4+ / 1+ / 2+ / - / GU363206
B. pumilus BOSm210 / 1+ / - / - / - / - / 1+ / - / 4+ / 3+ / 5+ / - / GU363207
B. pumilus BOSm216 / 2+ / - / - / - / - / - / - / 1+ / 4+ / - / - / GU363211
B. pumilus BOSm221 / - / - / - / - / - / 3+ / 3+ / - / - / - / GU363215
B. pumilus BOSm222 / 1+ / 1+ / 1+ / - / - / - / 3+ / 5+ / - / - / - / GU363216
B. pumilus BOSm223 / 1+ / - / 1+ / 1+ / - / - / 3+ / 5+ / 4+ / - / - / GU363217
B. pumilus BOSm224 / 4+ / - / 1+ / - / - / - / - / - / - / - / - / GU363218
B. pumilus BOSm225 / 3+ / 3+ / 1+ / - / - / - / - / 4+ / 2+ / - / - / 13024505
B. subtilis BGSm254 / 4+ / - / 2+ / - / - / 5+ / 4+ / - / - / - / 5+ / 1339941
B. subtilis BGSm242 / 2+ / - / 5+ / - / 5+ / 4+ / 5+ / - / - / - / - / GU363232
B. subtilis BGSm252 / 4+ / 4+ / - / - / 5+ / 5+ / - / 3+ / - / - / - / GU363293
B. subtilis BGSm253 / 4+ / - / - / - / - / - / 4+ / 3+ / - / - / <5+ / GU363239
B. subtilis BOSm211 / 1+ / 5+ / - / - / - / - / 5+ / - / - / - / 4+ / GU363208
B. thuringiensis BGSm238 / 4+ / 2+ / 4+ / - / - / - / 5+ / 2+ / - / - / 3+ / 1334294
Lysinibacillus sphaericus BOSm230 / 1+ / - / 2+ / - / - / 2+ / 5+ / 1+ / - / - / - / 13024510
Paenibacillus. alvei BGSm255 / 4+ / 2+ / - / - / - / 5+ / 3+ / - / - / - / >5+ / 1304202
P. apiariusBOSm218 / 3+ / - / 2+ / - / - / - / - / 3+ / 3+ / - / - / GU363212
P.. lautus BOSm204 / 4+ / 5+ / - / - / - / 1+ / - / - / - / - / >5+ / GU363203
P.. lautus BOSm213 / 2+ / 4+ / 4+ / - / - / 2+ / - / - / - / - / - / GU363210
P.. polymyxa BOSm207 / 1+ / - / - / - / - / - / - / 5+ / 5+ / 3+ / 4+ / GU363290
P. popilliae BOSm219 / 3+ / 4+ / 1+ / - / - / - / - / - / - / - / - / GU363213
P. popilliae BOSm220 / 2+ / 3+ / 1+ / 1+ / - / - / 4+ / - / - / - / - / GU363214
Pseudomonas aeruginosa BGSm306 / 1+ / 4+ / - / - / 4+ / - / 5+ / - / - / - / 4+ / GU363316
P. putida BOSm217 / 3+ / - / 3+ / - / 5+ / - / 5+ / 2+ / 3+ / - / - / GU363252
Streptomyces radiopugnans BOSm214 / 2+ / 5+ / - / - / 5+ / 2+ / 4+ / - / - / - / >5+ / GU363291
S. radiopugnans BOSm215 / 2+ / - / - / - / 4+ / 2+ / 4+ / - / - / - / 4+ / …………
Rhizosphere (in summer)
Arthrobacter globiformis BGSm142 / 1+ / 5+ / - / - / - / - / - / - / 1+ / - / >5+ / 1301964
A. globiformis BGSm140 / 1+ / 1 + / 2+ / - / 5+ / - / - / - / - / - / 2+ / GU36337
B. barbaricus BGSm143 / 1+ / 5+ / - / - / - / - / - / 2+ / - / - / - / GU363184
B. flexus BGSm160 / 3+ / 1+ / - / 3+ / - / - / - / 2+ / - / - / 2+ / GU363200
B. megaterium BGSm 141 / - / - / - / 3+ / 2+ / 4+ / - / - / 1+ / - / >5+ / 1340708
B. pumilus BGSm138 / 1+ / - / - / 3+ / - / - / 5+ / - / - / - / 4+ / GU363157
B. pumilus BGSm151 / 4+ / 2+ / - / 2+ / 3+ / 2+ / - / - / - / - / - / GU363192
B. pumilus BGSm152 / - / - / - / 5+ / - / 4+ / - / - / - / - / GU363193
B. pumilus BGSm153 / - / - / - / - / 4+ / 3+ / 3+ / - / - / - / GU363194
B. pumilus BGSm154 / - / - / - / - / - / - / - / 2+ / - / - / 4+ / GU363195
B. pumilus BGSm155 / - / - / - / - / - / 2-+ / - / 2+ / - / - / - / GU363196
B. pumilus BGSm157 / 1+ / 2+ / - / 1+ / - / - / - / 3+ / - / - / 3+ / 1340714
B. pumilus BGSm158 / 1+ / 2+ / - / 1+ / - / 2+ / - / 3+ / 2+ / 2+ / - / GU363198
B. subtilis BGSm137 / - / - / - / - / 2+ / - / 4+ / 3+ / - / - / - / GU363179
Microbacterium barkeri, BGSm148 / 3+ / 1+ / 2+ / 1+ / - / - / - / 4+ / - / 3+ / 3+ / GU363189
M. resistens BGSm136 / 1+ / - / - / - / - / 4+ / 3+ / - / - / - / - / GU363180
M. testaceum BGSm145 / 2+ / 1+ / - / - / - / - / 5+ / 2+ / 1+ / 2+ / - / GU363186
Micrococcus luteus BGSm 156 / - / 1+ / - / - / - / - / 3+ / 3+ / - / - / 4+ / GU363197
Paenibacillus lautus BGSm149 / 3+ / - / - / - / - / - / 5+ / 4+ / - / 3+ / 3+ / GU363190
P.. lautus BGSm150 / 3+ / 5+ / - / - / - / 4+ / - / 1+ / - / - / 2+ / GU363191
P.. lautus BGSm159 / - / - / - / - / - / 2+ / - / - / - / - / GU363199
P.. lentimorbus BGSm144 / 2+ / 1+ / - / - / - / - / - / 2+ / - / - / - / GU363185
P.. popilliae BGSm139 / 1+ / 2+ / - / - / - / - / - / - / - / - / - / GU363182
P.. popilliae BGSm146 / 1+ / - / - / - / - / - / - / 3+ / 1+ / - / - / GU363187
P. popilliae BGSm147 / - / 1+ / - / 1+ / - / - / - / 4+ / - / 2+ / 5+ / GU363188
Bulk region
B. cereus BNRS426 / 5+ / - / 1+ / - / - / - / - / 3+ / - / - / 3+ / GU363163
B. cereus BNRS427 / 3+ / - / 1+ / - / - / - / 5+ / 3+ / - / - / 3+ / GU363164
B. cereus BNRS428 / 2+ / - / - / - / - / - / 5+ / 3+ / - / - / 3+ / GU363165
B. cereus BNRS431 / 2+ / - / - / - / 2+ / - / 5+ / 3+ / - / - / 3+ / GU363168
B. cereus BNRS435 / 3+ / - / - / - / - / - / 5+ / - / - / - / - / GU363172
B. cereus BNRS603 / 3+ / - / - / - / - / - / 5+ / - / - / - / - / 1340726
B. cereus BNRS606 / 2+ / - / - / - / - / - / 5+ / 3+ / - / - / 3+ / 1340732
B. cereus BNRS609 / 2+ / - / - / - / 2+ / - / 5+ / 3+ / - / - / 3+ / 1340734
B. cereus BNRS611 / 3+ / - / 1+ / - / - / - / 5+ / 3+ / - / - / 3+ / 1340736
B. cereus BNRS622 / 5+ / - / 1+ / - / - / - / - / 3+ / - / - / 3+ / 1340738
B. pumilus BNRS419 / 3+ / - / - / 2+ / 2+ / - / - / 5+ / 1+ / - / 5+ / GU363336
B. pumilus BNRS429 / 2+ / - / 1+ / - / - / - / - / 3+ / - / - / 3+ / GU363166
B. pumilus BNRS430 / 2+ / - / - / - / 2+ / - / 5+ / 3+ / - / - / 3+ / GU363167
B. pumilus BNRS432 / 2+ / - / - / - / 2+ / - / - / 2+ / - / - / 2+ / GU363169
B. pumilus BNRS433 / 3+ / - / 1+ / - / - / - / 5+ / - / - / - / - / GU363170
B. pumilus BNRS434 / 3+ / - / - / - / 1+ / - / - / - / - / - / - / GU363171
B. pumilus BNRS602 / 2+ / - / - / - / 2+ / - / 5+ / 3+ / - / - / 3+ / 1340741
B. pumilus BNRS612 / 2+ / - / - / - / 2+ / - / - / 2+ / - / - / 2+ / 1340732
B. pumilus BNRS616 / 3+ / - / - / - / 1+ / - / - / - / - / - / - / 1340744
B. pumilus BNRS617 / 2+ / - / 1+ / - / - / - / - / 3+ / - / - / 3+ / 1340745
B. pumilus BNRS621 / 3+ / - / 1+ / - / - / - / 5+ / - / - / - / - / 1340747
B. pumilus BNRS623 / 3+ / - / - / 2+ / 2+ / - / - / 5+ / 1+ / - / 5+ / 1340752
B. subtili BNRS417 / 2+ / - / - / 2+ / 3+ / - / 5+ / 5+ / 1+ / - / 5+ / GU363335
B. subtili BNRS604 / 2+ / - / - / 2+ / 3+ / - / 5+ / 5+ / 1+ / - / 5+ / 1340754
B. subtilis BNRS416 / 1+ / - / 1+ / 2+ / - / - / 5+ / 5+ / 1+ / - / 5+ / GU363334
B. subtilis BNRS418 / 3+ / - / 2+ / 2+ / 2+ / - / 5+ / 5+ / 1+ / - / 5+ / GU363335
B. subtilis BNRS420 / 3+ / - / 2+ / 2+ / 2+ / - / 5+ / 5+ / 1+ / - / 5+ / GU363158
B. subtilis BNRS424 / 3+ / 5+ / - / - / - / - / - / - / - / - / - / GU363161
B. subtilis BNRS607 / 1+ / - / 1+ / 2+ / - / - / 5+ / 5+ / 1+ / - / 5+ / 1340759
B. subtilis BNRS608 / 3+ / - / 2+ / 2+ / 2+ / - / 5+ / 5+ / 1+ / - / 5+ / 1340761
B. subtilis BNRS610 / 3+ / 5+ / - / - / - / - / - / - / - / - / - / 1340763
B. subtilis BNRS615 / 3+ / - / 2+ / 2+ / 2+ / - / 5+ / 5+ / 1+ / - / 5+ / 1340764
P. alvei BNRS439 / 2+ / 2+ / - / - / - / - / - / - / - / - / GU363176
P. alvei BNRS619 / 2+ / 2+ / - / - / - / - / - / - / - / - / 1340768
P. turicensis BNRS421 / 2+ / - / - / - / - / - / - / - / - / - / - / 1340720
P. turicensis BNRS422 / 3+ / 3+ / 2+ / - / - / - / - / - / - / - / - / GU363159
P. turicensis BNRS423 / 3+ / - / - / - / - / - / - / - / - / - / - / GU363160
P. turicensis BNRS425 / 3+ / - / - / - / - / - / - / -- / - / - / - / GU363162
P. turicensis BNRS436 / 2+ / 5+ / - / - / 1+ / - / - / 2+ / - / 4+ / GU363173
P. turicensis BNRS437 / 2+ / - / 2+ / - / 1+ / - / - / - / - / - / GU363174
P. turicensis BNRS440 / 3+ / - / 1+ / - / 2+ / - / - / - / - / - / GU363174
P. turicensis BNRS601 / 3+ / - / 1+ / - / 2+ / - / - / - / - / - / 1340769
P. turicensis BNRS605 / 2+ / - / 2+ / - / 1+ / - / - / - / - / - / 1340771
P. turicensis BNRS613 / 2+ / - / - / - / - / - / - / - / - / - / - / 1340765
P. turicensis BNRS614 / 3+ / 3+ / 2+ / - / - / - / - / - / - / - / - / 1340772
P. turicensis BNRS618 / 3+ / - / - / - / - / - / - / -- / - / - / - / 1340775
P. turicensis BNRS620 / 2+ / 5+ / - / - / 1+ / - / - / 2+ / - / 4+ / 1340776
P. turicensis BNRS625 / 3+ / - / - / - / - / - / - / - / - / - / - / 1340778
Paenibacillus alvei BNRS438 / 2+ / - / - / - / - / - / - / - / - / - / GU363175
Paenibacillus alvei BNRS624 / 2+ / - / - / - / - / - / - / - / - / - / 1340779