666 



AGRICULTURAL INDEX 



utilization of nitre cake in the manufacture 

 of superphosphate. F. T. Shutt and O. B. 

 Wright. Ag- Gaz of Canada 5:1040-5 N '18 

 Nitrate industry . 



Apropos of South America. J. E. Pogue. u 

 Stone & Webster J (Stone & Webster bldg., 

 Boston $1 per yr) 21:324-9 N '17 



Beginning of the atmospheric nitrate mdus- 

 try in America. O. P. Austin. Am Fert 48: 

 33-5 My 11 '18 , ^^ 



Brazil and nitrate production. Pan Am Maga- 

 zine (70 5th av, N.Y. 25c) 26:247-8 Mr '18 



Government aid to Chilean nitrate producers. 

 L J. Keena. (Commerce Reports no. 252) 

 p*370 (O 27) '17 U.S. Bur. of foreign and do- 

 mestic commerce, Washington, D.C. 



Nitrate industry. E. Cuevas. (/n Pan Ameri- 

 can scientific congress Pro., 1915, v. s, p. ii- 



68) '17 . .^ <. .1 



Production and sale of inorganic nitrates and 

 ammoniates. (In Report on the fertilizer 

 industry, p. 17-54) '16 U.S. Federal trade 

 comm., Washington, D.C. 

 Synthetic nitrogen versus Chilean nitrate, ii 

 South Am (165 Broadway, N. Y. $2.50 per yr) 

 5:24-5 S '17 

 Nitrate of soda. See Saltpeter, Chile 



Nitrates , ,. -^ j. ^ -vtit -c 



Alkalis in Colorado (includmg nitrates). W. P. 

 Headden. Colo Ag Exp B 239:1-58 18 



Ashes and nitrates for the spring crops. A. h.. 

 Grantham. Prac F 114:70 F 15 18 



Cheaper nitrates and phosphates for ferti- 

 •lizers. O Judd Farmer 61:15+ D 2 16 



Effect of soluble nitrogenous salts on nodule 

 formation. E. B. Fred and E. J. Graul. 

 bibliog Am Soc Agron J 8:316-28 S 16 



Extraction of nitrates from soil. R. S. Potter 

 and R. S. Snyder. Am Soc Agron J 8:o4-5 

 Ja '16 . , . 



Further studies of the nitric nitrogen content 

 of the country rock. R. Stewart and W: 

 Peterson, il Utah Ag Exp B 150:1-20 '17 



Germany's effort to obtain nitrogenous com- 

 pounds. Ag J of India 12:481-3 Jl '.I? 



Great problem of nitrogen. Rural N Y 76.1255 

 N 3 '17 . ., .. 



Influence of nitrates on nitrogen-assimilating 

 bacteria. T. L. Hills, bibliog J Ag Research 

 12:183-230 Ja 28 '18 , ^ .^ 



Inve.'^tigations relative to the use of nitro- 

 genous plant-foods, 1S98-1912. J. g. Lip- 

 man and A. W. Blair. N J Ag Exp B 288:1- 

 126 '16 .^ ^ ^ ^. 



New forms of soluble nitrogen. L. L. Van 

 Slyke. N Y Ag Dept B 86:2288-91 Ag '16 



Nitrate arriving. Weekly N L, 5:1 My 1 '18 



Nitrate at cost. Weekly N L 5:1 Ja 30 18 



Nitrate deposits disappointing. Am Fert 45: 

 46 N 25 '16 „ . 



Nitrate deposits in the United States. Science 

 (Science Press, Garrison, N.Y. 15c) ns 44: 



Nitrate position. Ag J of India 13:356-8 Ap '18 

 Nitrate problem. W. R. Manier. Wallaces P 



41:1532 N 24 '16 ^ , 



Nitrate supply for the U. S. government. Ag 



Digest 2:655 O '17 ^ , ,_„ 



Nitrates. H. S. Gale. Am Fert 47:44+ S 1 17 

 Nitric nitrogen content of the country rocK. 



R. Stewart and W: Peterson, bibliog il Soil 



Sci 2:345-62 O '16 

 Nitrogen production in Germany. Am Fert 



46:54 My 12 '17 

 Nitrogen requirements of the olive tree. L. 



Petri. Int R Sci & Prac Ag 7, no 10:1430-2 



O '16 

 Notesi on the presence of nitrates in orchard 



soils. J. H. Gourley and V. D. Shunk. N H 



Ag Exp Tech B 11:1-31 '16 

 Our new supply of nitrates. F. P. Stockbridge. 



World's Work (Garden City, N. Y. 25c)' 36: 



191-6 Je '18 

 Production of nitrates by the United States 



government. Int R Sci & Prac Ag 8, no 11: 



1081-3 N '17 

 Relation of weed growth to nitric nitrogen 



accumulation in the soil. L. E. Call and 



M. C. Sewell. bibliog Am Soc Agron J 10:35- 



44 Ja '18 



Washing out of nitrate from arable soil dur- 

 ing the past winter. E. J. Russell and A. 

 Appleyard. J Bd Ag 23:22-7 Ap '16; Abstract. 

 Int R Sci & Prac Ag 8, no 1:19-21 Ja '17 

 Nitric acid 

 Making nitric acid from gas. Am Fert 47:22- 

 3 Ag 4 '17 



Prices 



Prices fixed on sulphuric and nitric acid. Am 

 Fert 49:53 Jl 6 '18 

 Nitrification 



Action uf some olygodynamic elements on ni- 

 trogen fixing bacteria. C. Montanari. Int R 

 Sci & Prac Ag 8, no 6:838-40 Je '17 



Ammonifiability versus nitriflability as a test 

 for the relative availability of nitrogenous 

 fertilizers. C. B. Lipman and P. S. Burgess, 

 bibliog Soil Sci 3:63-75 Ja '17 



Assimilation of organic nitrogen by zea mays 

 and the influence of bacillus subtilis on such 

 assimilation. R. O. Brigham. bibliog il Soil 

 Sci 3:155-95 F '17 



Availability of the nitrogen in Pacific Coast 

 kelps. G. R. Stewart, bibliog J Ag Research 

 4:21-38 Ap '15 



Azofication. J. E. Greaves, bibliog Soil Sci 6: 

 163-217 S '18 



Comjiarison of the nitrifying powers of some 

 humid and some arid soils. C. B. Lipman 

 and others, bibliog J Ag Research 7:47-82 

 O 9 '16 



Cytological studies of azotobacter chroococ- 

 cum. A. Bonazzi. bibliog il J Ag Research 

 4:225-40 Je '15 



Detailed study of effects of climate on impor- 

 tant properties of soils. C. B. Lipman and 

 D. D. Waynick. bibliog il Soil Sci 1:5-48 Ja 

 '16 



Effect of nitrifying bacteria on the solu- 

 bility of tricalcium phosphate. W. P. Kelley. 

 J Ag Research 12:671-83 Mr 11 '18 



Effect ,of some manganese salts on ammonifl- 

 cation and nitrification. P. E. Brown and 

 G. A. Minges. la Ag Exp Research B 35: 

 1-22 '16; Same. Soil Sci 2:67-85 Jl '16 



Effects of alkali salts on nitrification. P. E. 

 Brown and E. B. Hitchcock, bibliog Soil Sci 

 4:207-29 S '17 



Factors that influence nitrate formation in 

 acid soils. E. B. Fred and E. J. Graul. 

 bibliog il Soil Sci 1:317-38 Ap '16 



How to get rich lands; nitrogen: additional 

 losses and gains and iis effects on plants. T. 

 Butler. Prog F 32:532 Ap 28 '17 



Influence of potsherds of nitriflcation in the 

 Indian alluvium. Jatindra Nath Sen. il J 

 Ag Sci 9:32-42 Ag '18 



Influence of resin and tannin on the balance 

 of nitrogen in the soil. S. Koch and A. 

 Oelsner. Int R Sci & Prac Ag 7,no 7:936-7 Jl 

 '16 



Influence of salts on the bacterial activities of 

 the soil. J. E. Greaves, bibliog Soil Sci 2: 

 443-80 N '16 



Influence of sodium nitrate upon nitrogen 

 transformations in soils with special refer- 

 ence to its availability and that of other 

 nitrogenous manures. D: A. Coleman. Soil 

 Sci 4:345-423 N '17 



Influence of some common humus-forming 

 materials of narrow and of wide nitrogen- 

 carbon ratio on bacterial activities. P. E. 

 Brown and F. E. Allison. Soil Sci 1:49-75 

 Ja '16 



More mottle-leaf discussion. C: B. Lipman. 

 Science (Science Press, Garrison, N.Y. 15c) 

 n s 45:308-9 Mr 30 '17 



New Russian studies of nitrogen-fixing bac- 

 teria. Int R Sci & Prac Ag 7,no 7:941-4 Jl 

 '16 



Nitrification and fertility. E. R. Allen. Ohio 

 Ag Exp B V 1:153-4 My '16 



Nitrification and total nitrogen as affected 

 by crops, fertilizers, and copper sulfate. 

 C: A. Jensen. Am Soc Agron J 8:10-22 Ja 

 '16 



Nitrification as a measure of the availability 

 of different forms of calcium carbonate when 

 employed as correctors of soil acidity. P. S. 

 Burgess. Soil Sci 4:327-36 O '17 



