AGRICULTURAL L\DEX 



7S5 



Nitrification — Continued 

 inrtuence of lime on the nitrification of barn- 

 yard nianine-nitrogen in arable soil. C: 

 Barthel and N. Bengtsson. bibliog boil Sci 

 S:24o-58 S '19 



Isolation and study of nitrifying bacteria. W. 

 -U. Gibbs. bibliog il Soil Sci 8:427-81 D '19 

 New source of plant food, il J Heredity 10: 

 307-8 O '19 



Xiiraies, niirification, and bacterial contents 

 oi live typicivl acia soils as aitected by lime, 

 fertilizer, crops and moisture. H. A. Noyes 

 and S. L>. Conner, bibliog il J Ag Research 

 16:27-42 Ja I'd 'ID; Abstract. Ini K t>ci A: 

 I'rac Ag lU.no 7:817-18 Jl 'lH 



LjU nitrincaci6n de los terrenes. C E. C. 

 Palacios. Sugar 23:28t)-7 My '21 



Nitrification. C. A. Whittle. Am Fert 52:138 

 Mr 13 '20 



Nitrification in acid soils. R. E. Stephen- 

 son, bibliog la Ag Exp Research B 58:331- 



4y '2u 

 Nitrification in Egyptian soils. J. A. Pres- 



cott. J Ag Sci 9:216-36 S '19 

 Nitrification in some South African soils. 

 T: D. Hall, bibliog il Soil Sci 12:3(a-63 O '21 

 Nitrification in Texas soils. G. S. Kraps. 



Tex Ag Exp B 25>J:l-37 '20 

 On nitrification; intensive nitrite formation 

 in solution. A. Bonazzi. bibliog il J Bact 4: 

 43-60 Ja '19 

 On nitrification; isolation and description of 

 the nitrite ferment; with discussion. A. 

 Bonazzi. bibliog il Bot Gaz 68:194-207 S '19 

 On nitrification; the caruon and nitrogen re- 

 lations of the nitrite ferment. A. Bonazzi. 

 bibliog J Bact 6:479-99 S '21 

 El proceso de la nitnficacion de las tierras. 



F. Pittier. R de Ag Cuba p 169 Je '20 

 Rate of nitrification of different green ma- 

 nures and parts of green manures and the 

 influence of crop residues on nitrification. 

 N. V. Joshi. Ag J of India Sci Congress No 

 li)lii:3fjo-413 

 Soil nitrification in relation to forest repro- 

 duction, by H. Hesselman. Review. J For 

 17:6y-73 Ja '19 

 Studies in biochemical decomposition of cow- 

 dung and urine in soil. N. V. Joshi. Ag J of 

 India 15:398-408 Jl '20 

 Studies on nitrification in natural soils and 

 its importance from an ecological point of 

 view, in Sweden. H. Hesselmann. Int R Sci 

 & Prac Ag 9, no 6:662-5 Je '18 

 Symbiotic nitrogen fixation as influenced by 

 the nitrogen in the soil. W: A. Albrecht. 

 bibliog il Soil Sci 9:275-319 My '20; Sum- 

 mary. Ag Gaz of Canada 7:768-9 S '20 

 Symbiotic nitrogen-fixation by leguminous 

 plants with special reference to the bacteria 

 concerned. R. Hansen, il Sci Ag 1:59-62 F 

 '21 



See also Soil bacteriology; Soil inocula- 

 tion; Soils — Nitrogen content 

 Nitrites 

 Determination of nitrites and nitrates in plant 

 tissue. W. H. Strowd. bibliog Soil Sci 10: 

 333-42 N '20 



Nitro-bacter soil vaccine 



Bacteriological analysis and cultural test of 

 nitro-bacter soil vaccine. D. H. Jones. Sol 

 Ag 1:266 Je '21 

 Nitrobenzene 



Physiological action of nitrobenzene vapor 

 on animals. W. L. Chandler, bibliog il 

 Cornell Ag Exp Memoir 20:407-72 '19; Same. 

 Cornell Ag Exp Rep 1919, v 1:407-72 20 

 Nitrogen 



Agricultural fertilizers; the raw materials, 

 their source and characteristics. Sci Am 

 Sup (233 Broadway, N.Y. 10c ) 87:174-5 Mr 

 15 '19 



Atmospheric nitrogen. (In Am. fertilizer 

 hdbk., 1919, p. 27) ?1.50 '19 Ware bros. co 

 1010 Arch St. Philadelphia 



Atmospheric-nitrogen industry proposed for 

 India. (Commerce Reports no. 128) n 

 1247-9 (Je 1) '20 U.S. Bur. of foreign and 

 domestic commerce, Washington, D.C. 



Atmospheric nitrogen: operation of Muscle 

 Shoals nitrate plants; hearing on H. R. 

 10329-fc. 3390, April 19, 1920. 12Sp '20 U.S. 

 Congress, House com. on military affairs, 

 Washington, D.C. Apply to congressmen 

 Biological values of wheat and almond ni- 

 trogen. A. F. Morgan and A. M. Heinz. 

 Int R Sci & Prac Ag 10,no 10:1059 O '19 

 British nitrogen prouuciioii plans. F: E. Ham- 



er. Am Fert 53:138+ Jl 17 '20 

 Carriers of nitrogen in fertilizers. C: E. 



Thorne. Soil Sci 9:487-94 Je '20 

 Chemist and the food problem. W. Kaempf- 

 fert. il R of Reviews (30 Irving place, 

 ^ N.Y. 25c) 59:294-301 Mr '19 

 Comparative tests of sources of nitrogen on 

 coastal plains soils. T. E. Keitt. S C \g 

 Exp ij 192:1-14 17; Abstract. Prog F 34: 

 1979 N 29 '19 

 Effect of inoculation and lime on the vield 

 and on the amount of nitrogen in soybeans 

 on acid soil. E. B. Fred and E. J. Graul. 

 i^oil Sci 7:455-67 Je '19 

 Factors of crop production; necessitv for 

 oryanic matter and nitrogen. R. Stewart. 

 Facific Rural Press 101:635 Ap 30 '21 

 Feeding plants with food from the air. L. 

 McClung. il Illustrated World (Drexel av 

 and 58th st, Chicago 20c) 30:892-6 F '19 

 Field experiments on the availability of 

 nitrogenous fertilizers, 1908-1917. J. G. Lip- 

 man and A. W. Blair, bibliog Soil Sci 9: 

 371-92 My '20; Summary. Ag Gaz of Canada 

 7:769-70 S '20 

 Final report of the nitrogen products com- 

 mittee. J Ministry Ag 26:1112-15 F '20 

 Fleeting element of plant food. C. A. Whittle 



Farming 19:344 Ap '21 

 Forms of nitrogen in protein-free milk. C. 

 Kennedy. Am Chemical Soc J (1709 G st 

 N.W., Washington, D.C. $6 per yr.) 41:388- 

 93 Mr '19 

 Forms of nitrogen in soybean nodules. W. H. 



Strowd. bibliog Soil Sci 11:123-30 F '21 

 German nitrogen syndicate. N. Caro. Am Fert 



52:75-6+ Ap 24 '20 

 German pi-oduction of nitrogen fertilizers H 

 W. Adams. Am Fert 54:64 Ap 23; 106 My 

 21 '21 

 Germany's fertilizer program. Am Fert 52-74- 



5 Ja 3 '20 

 How the nitrogen problem has been solved 

 H: J. M. Creighton. il J Franklin Inst 

 ^.(-'•anklin Inst., Philadelphia 50c) 187:377- 

 408, 599-610, 705-35 Ap-Je '19 

 Influence of the nature of the soil and manur- 

 ing on the content of nitrogen and miner- 

 al elements in cultivated plants. J. G. 

 Maschhaupt. Int R Sci & Prac Ag lO.no 5: 

 538-9 My -19 

 Is nitrogen an element? Sci Am (233 Broad- 

 way, N.Y. lOc) 121:569-70 D 6 '19 

 Legume nitrogen. C: A. Whittle. (B. 33) Sp 

 '20 Southern fert. assn.. Soil improvement 

 com., Atlanta, Ga. 

 Making nitrogen on the farm, il Successful 



F 19:16 Je '20 

 More about nitrogen on the general farm. 



Am Fert 53:98 Ag 14 '20 

 More nitrogen needed. Am Fert 51:78-9 D 6 



Need for nitrogen general. T. Butler. Prog F 

 36:213 F 19 '21 



New Swedish nitrogen process. Am Fert 53: 

 126 S 11 '20 



Nitrate of soda vs. cottonseed meal as a 

 source of nitrogen. T. Butler. Prog F 34* 

 2099 D 20 '19 



Nitrogen and nitrate of soda. R. R. Snowden. 

 Cal Cultivator 54:40 Ja 10 '20 



Nitrogen and other compounds in rain and 

 snow. J. E. Trieschmann. Sci Am Sup (233 

 Broadway, N.Y. 10c; 88:328 N 29 '19 



Nitrogen and other losses during the ensil- 

 ing of corn. R. H. Shaw and others, bib- 

 liog U S Ag B 953:1-16 '21 



Nitrogen cycle. H. W. Baldwin. Farming 19: 

 292 Mr '21 



Nitrogen demand and supply. J Ag Cal 7:22 

 Ja '21 



Nitrogen for apple trees. G. M. Twitchell. 

 Rural N Y 80:383 Mr 5 '21 



Nitrogen from natural gas. Am Fert 52 69 

 My S '20 



