668 



AGRICULTURAL INDEX 



Nitrogen — Continued 



Nitrogen question. W. S. Landis. Am Fert 

 44:21-4 My 13 '16 



Nitrogen: what it is and how to get it. T. 

 Butler. Prog F 31:179 F 5 '16 



Nitrogen's part in nature. F. Rowlinson. 

 Scientific Am Sup (233 Broadway, N.T. 10c) 

 85:115 F 23 '18 



Organic nitrogen compounds of soils and fer- 

 tilizer.?. E. C. Lathrop. J Franklin Inst 

 f Franklin Institute, Philadelphia 50c) 183: 

 169-206, 303-21, 465-98 F-Ap '17 



Plant food materials in the leaves of forest 

 trees. P. Serex, jr. Am Chemical Soc J (Box 

 505, Washington, D.C. $6 per yr.) 39:1286-96 

 Je '17 



Potatoes grown at Aroostook farm on fer- 

 tilizers containing ammonia (nitrogen; in 

 different forms. Maine Ag Exp B 269:37-9 '18 



Some factors influencing nitrogen fixation 

 and nitrification. B. Williams. Bot Gaz 62: 

 311-17 O '16 



Some factors influencing the quantitative de- 

 termination of nitric nitrogen in the soil. 

 J. E. Greaves and C. T. Hirst, bibliog il Soil 

 Sci 4:179-206 S '17 



Sources of nitrogen compounds in the United 

 States. C. G. Gilbert. (Smithsonian Inst. 

 Pub. 2421) 12p '16 Smithsonian Institution, 

 Washington, D.C. 



Sources of our nitrogenous fertilizers. 

 F: W. Brown. U S Ag Yearbook 1917:139-46; 

 Same. Separate 729; Same. Am Fert 48:58+ 

 My 25 '18 



Study of methods of estimation of metabolic 

 nitrogen. E. B. Forbes and others. J Ag 

 Research 9:405-11 Je 18 '17 



Trade in nitrogenous materials. A. Bertrand. 

 Int R Sci & Prac Ag 8, no 7:980-4 Jl '17 



Twenty years' work on the availability of 

 nitrogen in nitrate of soda, ammonium sul- 

 fate, dried blood and farm manures. J. G. 

 Lipman and A. W. Blair, il Soil Sci 5:291- 

 301 Ap '18 



Uniform nitrogen determination in cotton-seed 

 meal. J. S. McHargue. J Industrial & Eng 

 Chemistry (Am. Chemical Soc, Easton, Pa. 

 60c) 10:533-5 Jl '18 



See also Soils — Nitrogen content 



Bibliography 



Literature of the nitrogen industries, 1912- 

 1916. H. R. Hosmer. J Industrial and Eng 

 Chemistry (Am. Chemical Soc, Easton, Pa. 

 $6 per yr) 9:424-38 Ap '17 



Organic nitrogen compounds of soils and fer- 

 tilizers. E. C. Lathrop. J Franklin Institute. 

 (Franklin Institute, Philadelphia. 50c) 183: 

 489-98 Ap '17 



Fixation 



Agricultural conquest of the atmosphere. 

 C: E. Thome. J Ag (Quebec) 19:207 Mr '16 



Air nitrates corporation. Am Fert 49:70a Jl 

 6 '18 



Air nitrogen. Am Fert 48:28 Je 8 '18 



Effect of different plant tissues on the fixa- 

 tion of atmospheric nitrogen. T. J. Murray. 

 Va Ag Exp Tech B 15:93-102 '17: Same. Va 

 Ag Exp Rep 1915-1916: 93-102 '17 



Extracting nitrates from the air. E. J. Crane. 

 11 Ohio F 142:113-14 Ag 10 '18 



Fertilizer from the air. B. J. Pranke. Cor- 

 nell Countryman 14:563-4 Ap '17 



$50,000,000 plant in eight months. Am Fert 

 49:36 N 9 '18 



Fixation of atmospheric nitrogen; abstract. 

 Electrical World (10th av at 36th st, N.T. 

 10c) 71:1095-6 My 25 '18 



Fixation of nitrogen. H. Leffmann. J Frank- 

 lin Inst (Franklin Inst., Philadelphia 50c) 

 185:852-3 Je '18 



Fixation of nitrogen as cyanide. Am Fert 

 46:37-9 Ap 14 '17 



Germany's great progress in nitrogen fixation 

 from the air. Sci Am (233 Broadway, N. T. 

 10c) 118:204 Mr 2 '18 



Government nitrate plant. Am Fert 47:484- 

 S 15 '17 



Important developments in nitrogen fixation. 

 Metallurgical & Chemical Eng (10th av at 

 36th St, N. Y. 25c) 18:1-2 Ja 1 '18 



Influence of plant residues on nitrogen fixation 

 and on losses of nitrate in the soil. H: B. 

 Hutchinson, bibliog J Ag Sci 9:92-111 Ag '18 



Nitrogen and its fixation. W. D. Benedict. 

 Penn State F 11:162-3 My '18 



Nitrogen fixation. Ag J of India 13:505-21 Jl 



Nitrogen from the air. J. Orchiston. J Ag New 

 Zealand 16:21-6 Ja '18 

 * Recent developments in the fixation of at- 

 mospheric nitrogen. G: W. Sears. School Sci 

 and Math (2059 B. 72d place, Chicago 30c) 

 18:527-33 Je '18 



Sec also Nitrification; Soil inoculation 

 Nitrogen in soils. See Nitrification; Soil inocu- 

 lation; Soils — Nitrogen content 

 Nitrollm 

 Granular nitrolim and nitrate of lime. J Bd 



Ag 22:1296-7 Mr '16 

 Use of granular nitrolim. B. P. Davis. J Bd 

 Ag 22:1287-8 Mr '16 

 Nolina loderl 

 New plants; nolina loderi. N. E. Brown, il 

 Gard Chron (Lond) 62:66 Ag 18 '17 

 Nomadism 

 Feebly inhibited, by C: B. Davenport. Review. 

 J Heredity 7:169-72 Ap '16 

 Nomenclature. See Names; also subhead Nomen- 

 clature under subjects, e.g. Bacteriology — 

 Nomenclature, Botany — Nomenclature, Fruit 

 — Nomenclature, Vegetables — Nomenclature, 

 Wheat — Nomenclature 

 Non-partisan league, National. See National 



non-partisan league 

 Normal schools 



Curriculum 

 Normal school courses. J Home Econ 9:218- 

 19 My '17 



North Carolina 



Prevention and control of erosion in North 

 Carolina, with special reference to terracing. 

 F. R. Baker, il map N C Ag Exp B 236: 

 1-27 '16 



8rc also subhead North Carolina under 

 special subjects, e.g. Agriculture — North 

 Carolina, Dairying — North Carolina 



Industries and resources 



Some facts and figures about North Carolina 

 and her natural resources. 2d ed 51p '17 N. 

 C. geological and economic survey, Chapel 

 Hill 



See also Forests and forestry — North Caro- 

 lina 

 North Carolina agricultural experiment station 

 39th annual report for the year ended June 

 30, 1916; including bulletins nos. 232, 233, 

 234, 235, 236 N C Ag Exp Rep 1916 various 

 paging 

 40th annual report for the year ended June 30, 

 1917; including bulletin 237 and technical 

 bulletins 11, 12 and 13. il N C Ag Exp Rep 

 1917 various paging 



North Carolina drainage association 



Proceedings of the 9th drainage convention, 

 Belhaven, Nov. 29-Dec. 1, 1915. (Econ. paper 

 no. 45) Sip '17 N.C. Geological and economic 

 survey, Chapel Hill 

 North Carolina state college of agriculture and 

 engineering 



In the land of the long-leaf pine; views. 

 Country Gent 81:1157 Je 3 '16 



Extension service 



2d annual report for the year ended June 30, 



1916. N C Ag Ext Rep 1916:1-77 '17 

 3d annual report; year ended June 30, 1917. 

 il N C Ag Ext Rep 1917:1-119 '18 

 North Dakota 



* Where the people rule: North Dakota, a state 

 where democracy is safe. 26p n.d. Nat. non- 

 partisan league, St Pavil 



See also subhead North Dakota under 

 epecial svibjects, e.g. Agriculture — North 

 Dakota, Dairying — North Dakota 



