1012 



AGRICULTURAL INDEX 



Soil bacteriology — Continued 



Are spore- forming bacteria of any significance 

 in soil under normal conditions? H. J. 

 Conn. N T State Ag Exp Tech B 51:1-9 '16; 

 Same. J Bact 1:187-95 Mr '16; Same. N Y 

 State Ag Exp Rep 1916:66-72 '17 

 Bacteria as a factor in soil fertility. I. L. 



Baldwin. Purdue Ag 15:354-5 My '21 

 Bacteriological studies of methods of prepar- 

 ing a seedbed for wheat. P. L. Gainey. bib- 

 liog Kan Ag Exp Tech B 8:1-64 '20 

 Behaviour of the citrus-canker organism in 

 the soil. H. A. Lee. il J Ag Research I'J: 

 1S9-206 Je 1 '20 

 Comparison between agar and gelatin as 

 media for the plate method of counting 

 bacteria. H. J. Conn and W. D. Dotterrer. 

 X Y State Ag Exp Tech B 53:12-15 '16; 

 Same. N Y State Ag Exp Rep 1916:91-4 '17 

 Comparison of the technic recommended by 

 v^arious authors for quantitative bacteriolog- 

 ical analysis of soil. Z. N. Wyant. bib- 

 liog Soil Sci 11:295-303 Ap '21 

 Correlation study of the colon-aerogenes 

 group of bacteria, with special reference 

 to the organisms occurring in tlie soil. C. C. 

 Chen and L. P. Rettger. bibliog J Bact 5: 

 253-98 My '20 

 Decline of pseudomonas citri in the soil. H. 

 R. Fulton. J Ag Research 19:.207-23 Je 1 '20 

 Dephenolisation in soil. N. N. Sen-Gupta. J 



Ag Sci 11:136-58 Ap '21 

 Effect of carljon disulphid and toluol upon 

 nitrogen-fixing and nitrifying organi.sms. 

 P. L. Gainey. J Ag Research 15:601-14 D 16 

 'IS 

 Effect of certain environmental conditions on 

 the rate of destruction of vanillin by a soil 

 bacterium. W: J. Robbins and A. B. Mas- 

 sey. bibliog Soil Sci 10:237-46 S '20 

 Effect of gypsum on bacterial activities in 

 soils. T. M. Singh, bibliog Soil Sci 9:437- 

 68 Je '20 

 Effect of seasonal conditions and soil treat- 

 ment on bacteria and molds in soil. P. E. 

 Brown and W. V. Halversen. bibliog la 

 Ag Exp Research B 56:251-78 '19 

 Effect of straw on the biological soil proces- 

 ses. T. J. Murray, bibliog Soil Sci 12:233- 

 59 S '21 



Farmer as an employer; an allegory of the 

 workers in the soil. E. J. Leenhouts. il 

 Hoard's D 61:556-7 Ap 15 '21 

 Further studies on the distribution and ac- 

 tivities of certain groups of bacteria in 

 Talifornia soil columns. C: B. Lipman. 

 Cal Univ Pub Ag Sci v 4, no 4 113-20p '19 

 (10c) 



Influence de I'etat de division des gouttel- 

 ettes microbiennes dur I'ensemencement 

 des terrains de culture. A. Trillat. Genie 

 Civil ("6, rue de la ChaussSe-d'Antin, Paris 

 (9"), France 2 fr.) 78:181 F 19 '21 



Influence of higher plants on bacterial ac- 

 tivities in soils. T. L. Lyon. Am Soc Agron 

 J 10:313-21 D '18 



Influence of low temperature on soil bac- 

 teria. A. P. Vass. bibliog Cornell Ag Exp 

 Memoir 27:1043-74 '19; Same. Cornell Ag 

 Exp Rep 1919, v 1:1043-74 '20 



Influence of moisture on the bacterial activ- 

 ities of the soil. J. E. Greaves and E. G. 

 Carter, bibliog Soil Sci 10:361-87 N '20 



Influence of nitrates on nitrogen-assimil- 

 ating bacteria. T. L. Hills. Int R Sci & 

 Prac Ag 9, no 9:1037-9 S '18 



Influence of soil reaction on the development 

 of nitrogen-fixing bacteria; investigations 

 ^in the United States. P. L. Gainev and 

 others. Int R Sci & Prac Ag 10,no 2:149-51 

 F '19 



It'.<? the little bugs that count. H. W. Baldwin. 



Farming 19:41-2 Jl '21 

 Lesson on soil formation and its bacteria. Gard 



Chron Am 24:409-12 Ja '20 

 Life of alfalfa bacteria. E. B. Fred. Hoard's 



D 59:1055 My 14 '20 

 Living soil. E. 'W. Olive. Gard Chron Am 24: 



251 Jl '20 



Nitrates, nitrification, and bacterial contents 

 of five t> pical acid soils as affected by lime, 

 fertilizer, crops, and moisture. H. A. Noyes 

 and S. D. Conner, bibliog il J Ag Research 

 16:27-42 Ja 13 "19; Absliacl. Int R Sci & 

 rrac Ag 10, no 7:817-18 Jl '19 

 Nitrogen fixation by root nodule bacteria. 



Gard Chron (Lond) 65:140 Mr 22 '19 

 Nodule bacteria of leguminous plants. F. 

 Lohnis and R. Hansen, bibliog il J Ag Re- 

 search 20:543-55 Ja 3 '21; Same. Sci Ag 1: 

 257-64 Je '21 

 Non-lactose fermenting bacteria from pol- 

 luted wells and sub-soil. I. J. Kligler. bib- 

 liog J Bact 4:35-42 Ja '19 

 Non-legume nitrogen-flxing bacteria. Am 



Pert 51:128 O 11 '19 

 Occurrence of azotobacter in cranberry soils. 

 S. A. Waksman. Science (Science Press, 

 Garrison, N.Y. 15c) n s 48:653-4 D 27 '18 

 On nitrification; the carbon and nitrogen 

 relations of the nitrite ferment. A. Bonaz- 

 zi. bibliog J Bact 6:479-99 S '21 

 Oxidation of vanillin to vanillic acid by cer- 

 tain soil bacteria. W: J. Robbins and E. 

 C. Lathrop. bibliog Soil Sci 7:475-85 Je '19 

 Potential biochemical activity of the spores 

 of soil bacteria. J. R. Neller. bibliog Soil 

 Sci 9:329-40 My '20 

 Quantitative and qualitative bacterial analy- 

 sis of soil samples taken in fall of 1918. D. 

 H. Jones and F. G. Murdoch. Soil Sci 8: 

 259-67 S '19 

 Questions about bacteria. J. G. Lipman. Rural 



N Y 79:1368 As 28 '20 

 Reduction j>otentials of bacterial cultures and 

 of water-logged soils. L: J. Gillespie, bib- 

 liog Soil Sci 9:199-216 Ap '20 

 Sampling field plots for bacterial analysis. 

 H. A. Noyes; E. Voight. Int R Sci & Prac 

 Ag 10, no 1:38-9 Ja '19 

 Soil bacteria and their work. D. H. Jones. 



il Market Growers J 24:12 Ja 1 '19 

 Soil bacteriology aid, increased production. 

 J. L. Stewart, jr. Penn State F 13:215-1- Mr 

 '20 

 Soil inoculation with azotobacter. P. Emer- 

 son, bibliog il la Ag Exp Research B 45: 

 27-64 '18 

 Soil organisms. J. B. Lipman. Am Fert 54: 



98 Je 18 '21 

 Soil.'i, manure and bacteria. Va Ag Dept B 



135:3-4 D '18 

 Tenants of the soil. O. Crooker. Am Thresher- 

 man 23:30 N '20 

 What we are leaining about plants. P. A. 

 Lehenbauer. Am Flor 50:623-4 Ap 16 '21 



iSVr» alxo Actinomycetes: Azotobacter: Ni- 

 trification; Soil inoculation; Soil microbiol- 

 ogy: Soil protozoa: Sulfofication 

 Soil, chlorides. See Soils, Salts in 

 Soil colloids 

 Flocculation of soils. N. M. Comber. J Ag 



Sci 10:425-36 O '20 

 Relation of inorganic soil colloids to plowsole 

 in citrus groves, in southern California. 

 C: A. Jensen, bibliog J Ag Research 15:505- 

 19 D 2 '18 

 Relationship between absorption and coagu- 

 lation with respect to the mineral colloids 

 in the soil. A. De Dominies and P. Chiar- 

 eri. Int R Sci & Prac Ag 9, no 9:1030-7 S '18 

 Studies in the reversibility of the colloidal 

 condition of soils. A. B. Beaumont, bibliog 

 Cornell Ag Exp Memoir 21:479-524 '19; 

 Same. Cornell Ag Exp Rep 1919, v 1:479- 

 524 '20 

 Soil disinfection 



Aliiiornial growth induced by chloral hydrate 

 soil treatment. C. Hartley, il Phyt 10:334-5 

 Je '20 

 Attempts to control stem rot in the green- 

 house bv disinfection and sterilization of 

 the soil. G: L. Peltier, il 111 Ag Exp B 223: 

 599-607 '19 

 Contribution to the investigation into the 

 results of partial sterilisation of the soil 

 bv heat. V. Elveden. J Ag Sci 11:197-209 

 Ap '21 

 Hints on preventing damping off. Market 



Growers J 24:217 Mr 15. '19 

 Hot-water sterilization. C. AV. Waid. Market 

 Growers J 29:93 S 1 '21 



