348 



Index 



Association of plants and microor- 

 ganisms, 251 



Associative effects, 17, 38, 261, 265- 

 266 



Autochthonous bacteria, 59, 343 



Autotrophic bacteria, 60, 61-68, 262 



Auximones, 254 



Azohydrase, 202 



Azomonas, 195 



Azotase, 195 



Azotobacter, 25, 40, 44, 60, 192, 193, 



194, 195, 196, 197, 198, 199, 200, 

 202, 203, 204, 220, 239, 241, 242, 

 259, 263, 279 



inoculation of soil, 324 

 Az. agilis, 193, 195, 196, 202 

 Az. beijerinckii, 193, 195 

 As. chroococcum, 18, 38, 193, 194, 



195, 197, 201, 235, 239 



Az. indictim, 38, 193, 195, 199, 205 

 Az. vinelandii, 193, 195 

 Az. vitreum, 195 



Bacilli in soil, 40 



Bacillus agri, 69 



B. ainylovorus, 110 



B. anthracis, 268 



B. arhorescens, 167 



B. asterosporus, 193, 194 



B. brevis, 69, 77 



B. campestris, 290 



B. cellulosae dissolvem-, 74, 75 



B. cellulosam fermenians, 75 



B. ceretis, 68, 69, 120, 170, 172, 173, 



268, 270 

 B. cohuerens, 69 

 B. fusiformis, 69 

 B. janthinus, 167 

 B. macerans, 110 

 B. megatherium, 68, 69, 268 

 B. mesentericus, 69, 110, 167 

 B. mtjcoides, 38, 69, 167, 172, 235, 



268, 270 

 B. nitroxus, 187 

 B. pctasites, 69 

 B. pohjmyxa, 77 

 B. radicicola, 211, 215 

 B. .saccharobutijriciis, 193 

 B. s-implcx, 69, 294 



B. stutzeri, 187 



B. subtilis, 38, 69, 77, 119, 167, 172, 



173, 268 

 B. vidgatus, 69, 268 

 Bacteria, classification of, 60 



in manure, 52 



in soil, 32, 34, 35, 39, 47, 55, 60- 

 76, 160 

 Bacterial-agar plate, 267 

 Bacteriophage, 223-224 

 Bacteriorrhiza, 333, 334 

 Bacterium denitroftuorescen.<i, 71 

 Bact. globiforme, 70 

 Bact. parvulum, 69 

 Bact. radicicola, 211, 215 

 Bact. stutzeri, 71 

 Bact. tumefaciens, 290 

 Bact. vulgar e, 167 

 Bact. vulpinus, 71 

 Bacterization, 259, 295 

 Bacteroids, 214 

 Basidiomycetes, 54, 84, 85, 88, 287, 



341 

 Beaker method, 19, 33 

 Beggiatoa, 67 

 Beijerinck, M. W., 13 

 Bergey's system, 60 

 Biological control, 81, 292, 294 

 Biodc population, 264 

 Blue-green algae, 200 

 Blue-staining fungi, 75 

 Bodo cantatus, 90 

 B. re pens, 92 

 Boletus bovinus, 86 

 Bol. satanas, 86 

 Boron, 243 

 Botnjosporium, 115 

 Botnjotrichum piluliferum, 167 

 Botrytis, 278 

 Bot. alia, 278 

 Bot. cinerea, 278, 287 

 Boussingault, J. B. J. D., 2 

 Brucella melitensis, 284 



Calcium carbonate, effect of, 51, 226, 



332 

 Calcium transformation, 241 

 Calcofilic fungi, 86 

 Calcofugic fungi, 86 



