AGRICULTURAL INDEX 



667 



Nitrification — Continued 

 Nitrification in semiarid soils. W. P. Kelley. 



bibliog- J Ag- Research 7:417-37 D 4 '16 

 Nitrification of pyridine, qiiinoline, guanidine 

 carbonate, etc., in soils. IM. J. Funcliess. 

 bibliog Ala Ag Exp B 106:65-82 '17 



Nitrification of the soil by electricity. R. D. 

 McCreery. J Franklin Inst (Franklin Inst.. 

 Philadelphia 50c) 185:647-8 My '18; Electrical 

 Review (515 Monadnock blk., Chicago 15c) 

 72:932 Je 1 '18 



Nitrogen-assimilating organisms in manure. 

 H. L. Fulmer and E. B. Fred. J Bact 2:423- 

 34 Jl '17 

 Observations on the present status of the 

 subject of the availability of nitrogen ferti- 

 lizers. C: B. Lipman. Am Fert 45:23-6 O 14 

 '16 



On the nature of ammonification and nitrifi- 

 cation. K. Miyake. Soil Sci 2:481-92 N '16 



Oxygen requirements of biological soil pro- 

 cesses. T. J. Mui-ray. bibliog J Bact 1:597-614 

 N '16 



Popular science; Dr Osborn's deductions re- 

 garding nitrogen-fixing bacteria. R. S. 

 Breed. Science (Science Press, Garrison, 

 N.Y. 15c) n s 46:238-9 S 7 '17 



Relation between certain bacterial activities 

 in soils and their crop-producing power. 

 P. E. Brown. J Ag Research 5:855-69 Ja 31 

 '16 



Relation of bacterial transformations of soil 

 nitrogen to nutrition of citrous plants. 

 K. F. KelleiTnan and R. C. Wright, bibliog 

 J Ag Research 2:101-13 My '14 



Relation of green manures to nitrogen fixa- 

 tion. H. L. Fulmer. bibliog Soil Sci 4:1-17 

 Jl '17 



Relation of plant to soil. Gard Chron Am 21: 

 246 Je '17 



Relation of the transformation and distribu- 

 tion of soil nitrogen to the nutritiori of 

 citrus plants. I. G. McBeth. bibliog J Ag 

 Research 9:183-252 My 14 '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 



Significance of nitrification as a factor in soil 

 fertility. P. L. Gainey. bibliog Soil Sci 3: 

 399-416 IMy '17 



Soine effects of oxygen and carbon dioxide on 

 nitrification and ammonification in soils. 

 J. K. Plummer. bibliog Cornell Ag Exp B 

 384:305-30 '16; Same. Cornell Ag Exp Rep 

 1917:305-30 '18 



Some factors affecting nitrate-nitrogen accu- 

 mvilation in soil. P. L. Gainey and L. F. 

 Metzler. bibliog J Ag Research 11:43-64 O 

 8 '17 



Some factors influencing nitrogen fixation 

 and nitrification. B. Williams. Bot Gaz 62: 

 311-17 O '16 



Stimulating influence of arsenic upon the ni- 

 trogen-flxing organisms of the soil. J. E. 

 Greaves, bibliog J Ag Re.search 6:389-416 Je 

 12 '16; Summary. Int R Sci & Prac Ag 8, no 

 2:193-5 F '17 



Sulfofication in relation to nitrogen trans- 

 formations. J. W. Ames and T. E. Rich- 

 mond. Soil Sci 5:311-21 Ap '18 



Variability in soils and its significance to past 

 and future soil investigations; a statistical 

 study in nitrification in soils. D. D: Wayn- 

 ick. bibliog Cal Univ Pub Ag Sci v 3, no 9 

 243-70P '18 (30c) 



Vegetation experiment on the availability of 

 nitrogenous fertilizers in an arid soil. C. B. 

 Lipman and W. F. Gericke. bibliog Soil Sci 

 2:575-81 D '16 



Sre also Soil bacteriology; Soil inoculation 



Bibliography 



Azofication; references. Soil Sci 6:207-17 S 'IS 

 Influence of sodium nitrate upon nitrogen 

 transformations in soils with special ref- 

 erence to its availability and that of other 

 nitrogenous manures. D: A. Coleman. Soil 

 Sci 4:423-32 N '17 



Nitrites 



Presence of nitrites and ammonia in diseased 

 plants. P. A. Boncquet and M. Boncquet. Am 

 Chemical Soc J (Box 505, Washington, D.C. 

 $6 per yr.) 39:2088-93 S '17 

 Nitrobenzene 



Fumigation of animals to destroy their ex- 

 ternal parasites. W: Moore. J Econ Entom 

 9:71-80 F '16; Same cond. Wallaces' F 41: 

 162 F 4 '16; Same cond. Hoard's D 51:106 

 F 11 '16 

 Nitrogen 



American sources of nitrogen. T: H. Norton 

 11 Scientific Am (233 Broadway, N.Y. 10c) 

 116:394 Ap 21 '17 



Ammonia and nitric nitrogen determinations 

 m soil extracts and physiological solutions. 

 R. S. Davisson. J Inc'ustrial & Eng Chem- 

 VI.^'J.^^'^- Chemical Soc, Easton, Pa. 60c) 

 10:600-5 Ag '18 



Biochemical study of nitrogen in certain 

 legumes. A. L. Whiting: Int R Sci & Prac 

 Ag 7, no 10:1426-9 O '16 



Cheapest source of nitrogen. Prog F 33:119 F 



Comparative tests of sources of nitrogen on 

 coastal plains soils. T. E. Keitt. S C Ag Exp 

 B 192:1-14 '17 



Comparison of percentages of nitrogen in tops 

 and roots of head lettuce plants. H. A. 

 Noyes. J Industrial & Eng Chemistrv (Am. 

 Chemical Soc, Easton, Pa. 60c) 10:621-4 

 Ag '18 



Conserving farm nitrogen. H. E. Mern. J Ag 

 (Quebec) 21:xi Ag '17 



Determination of loosely bound nitz'ogen as 

 ammonia in eggs. N. Hendrickson and G. 

 C. Swan. J Industrial & Eng Chemistry 

 (Am. Chemical Soc, Easton, Pa. 60c) 10: 

 614-17 Ag -18 



Facts about fertilizers; nitrogen: function, 

 availability, application. T. Butler. Prog P 

 32:152 F 3 '17 



Facts about fertilizers; nitrogen: where ob- 

 tained and the forms in which it is used. T. 

 Butler. Prog F 32:96 Ja 27 '17 



Fermentation of manure treated with sulfur 

 and sulfates: changes in nitrogen and phos- 

 phorus content. J. W. Ames and T. E. 

 Richmond, bibliog Soil Sci 4:79-89 Jl '17 



Fertilizer needs of the United States. H. J. 

 Wheeler. Am Fert 48:3S-(- Mr 30 '18 



Fertilizer value of city waste. W. J. O'Brien 

 and others. J Industrial & Eng Chemistry 

 (Easton, Pa. 60c) 9:49-54, 513-18 Ja, My '17 



Fixation of nitrogen in faeces. E. H. Rich- 

 ards. J Ag Sci 8:299-31], Je '17 



German nitrogen industry and the future of 

 German agriculture. J Industrial & Eng 

 Chemistry (Easton, Pa. 60c) 9:405-6 Ap '17 



Great problem of nitrogen. Rural N Y 76-1255 

 N 3 '17 



Growing or buying nitrogen. H. H. Berenjian. 

 Hoard's D 51:443 Mr 31 '16 



How to get rich lands: nitrogen — how to get 

 it. T. Butler. Prog F 32:506 Ap 21 '17 



Liquid manure and the nitrogen supply. J: B. 

 Abbott, il Ohio F 137:621 Ap 29 '16 



Mineral industries of the United States; fer- 

 tilizers. J E. Pogue. (B. 102, pt. 2, p. 10- 

 15) U.S. National museum: 5c Supt. of doc. 



Nitrate of soda and cottonseed meal com- 

 pared as sources of nitrogen. T. Butler. 

 Prog F 33:159 F 9 'IS 



Nitrogen. Am Fert 47:29-31 N 10 '17 



Nitrogen. P. H. S. Kempton. Contemporary 

 Review (249 W. 13th st, N.Y. 50c) 113:322-4 

 Mr 'IS 



Nitrogen for peace and war. Country Gent 

 81:1331 Jl 8 '16 



Nitrogen from legumes. H: G. Bell. (Soil im- 

 provement com pamph 18) 25p '16 Nat. 

 fertilizer assn., Chicago 



Nitrogen in plants. F. C. Robb. il Fruit- 

 Grower 28:278 Je 1 '17 



Nitrogen of processed fertilizers. E. C. La- 

 throp. U S Ag B 158:1-24 '14 



Niti'Ogen, phosphorus and lime. Wallaces' F 

 41:930 Je 30 '16 



Nitrogen problem. E. E. Blough. Kimball's 

 D F 14:574 S 15 '16 



Nitrogen products committee. J Bd Ag 24: 

 1254-7 F '18 



