784 



AGRICULTURAL INDEX 



Niger river 

 Projet d' irrigations dans la valine du Niger. 

 Barois. Acad Ag France Compt Rend 7:299- 

 307 Mr 23 '21 



Nigeria 



Agriculture, Department of 



Annual report for the year 1920, and period 

 January to Marcli, 11)21. Nigeria Ag Dept 

 Rep 1920:1-19 '21 



Forest administration 



Annual report for the year 1919. 20p '20 Ni- 

 geria I'orest otlice, Lagos, Nigeria, Africa 

 Not available for distribution 

 Niglit-blooming cereus 

 yueen of the night. E. Bade, il Gard Chron 

 Am 25:633 Jl '21 

 Night schools. See Evening and continuation 

 schools 



Nighthawks ^ 



Roof-top neighbor. T. E. Musselman. il Coun- 

 try Life 37:150 Mr '20 

 Nightingale, Florence 

 Sketch 01 the. life of Florence Nightingale. 

 A. Hughes. Ag J of British Columbia 5. 

 124-5 Je '20 

 Nightjars ^ ,,. 



iood of the nightjar. W. E. Collmge. J Mm- 

 istry Ag 26:992-5 Ja '20; Abstract. Int R 

 Sci & Frac Ag ll.no 6:798-9 Je '20 



Nightshade 



leading experiments with solanum opacum. 

 .\1. Henry and F. Whitehouse. Ag Gaz of 

 New South Wales 32:741-2 O '21 

 Nitrate industry 



Exploitation of nitrate deposits in South Af- 

 rica. F. D. Fisher. Am Fert 51:126 O 11 '19 



Nitrate industry of Chile. Am Fert 52:147-)- 

 Je 5 '20; Excerpts. Am Flor 54:1083 Je 12 

 '20 



Nitrate industry of Chile. (Commerce Re- 

 ports no. 122) p 1093-1103 (My 24) '20 U.S. 

 Bur. of foreign and domestic commerce, 

 Washington, D.C. 



Nitrate industry: statistics for the year, 1918. 

 il South Pacific Mail (Calle O'Higgins 70. 

 Valparaiso, Chile 15c) p 28-9 Ja 29 '20 



Nitrate position as viewed in England. Am 

 Fert 51:62-3 Ag 16 '19 



Nitrogen syndicate in Germany. Am Flor 

 52:1278 Jl 12 '19 



Norwegian manufacture of saltpeter and ar- 

 tificial fertilizer. H. E. Carlson. Am Fert 50: 

 84 F 1 '19 



War and the nitrogen industry. W. D. Lan- 

 dis. Am Fert 50:3»-40 Ja 18 '19 

 Nitrate of lime. See Calcium nitrate 

 Nitrate of soda. See Nitrogen; Saltpeter, Chile 



Nitrate plants (federal) 

 Nitrogen catechism; an economic survey of 

 the nitrogen fertilizer situation. Chem Age 

 (118 E. 28th St, N.Y. 50c) 29:57-9 F '21 



Nitrates 



Accurate determination of soil nitrates by 

 phenol disulfonic acid method. H. A. Noyes. 

 J Industrial & Eng Chemistry (Am. Chem- 

 ical Soc. Easton, Pa. 60c) 11:213-18 Mr '19 



Biological determination of the relative avail- 

 ability of different nitrogenous organic 

 manures in black cotton soil. F. J. Plymen 

 and D. V. Bal. Ag J of India Sci Congress 

 No 1919:414-21 



Determination of nitrites and nitrates in 

 plant tissue. W. H. Strowd. bibliog Soil Sci 

 10:333-42 N '20 



Dfeveloppement, au cours de la guerre, de la 

 fabrication de I'ammoniaque et des nitrates. 

 A. Haller. Acad Ag France Compt Rend 7: 

 58-62 Ja 19 '21 



Effect of organic nitrogenous compounds on 

 the nitrate- forming organism. E. B. Fred 

 and A. Davenport, bibliog il Soil Sci 11: 

 389-407 My '21 



Effect of straw on the biological soil proces- 

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

 59 S '21 



Les engrais azotes en couverture. A. Cou- 

 turier. J Ag Pratique 33:239-40 Ap 1 '20 



Making nitrogen available. Ohio F 145:799 

 My S '20 



Nitrate as a cost reducer. F. W. Parsons. 

 Saturday Evening Post (Independence sq, 

 Philadelphia 5c) 192:32-4 F 7 '20 



Nitrate in southeastern California. Am Fert 

 50:40 F 15 '19 



Nitrate position. Am Fert 53:82-3 Ag 14 '20 



Nitrate production in field soils in Illinois. 

 A. L. Whiting and W. R. Schoonover. 4p 

 '20 111 Ag Exp 



Nitrate siiuation. Am Fert 54:108 F 12 '21 



Nitrogen: its fixation, its uses in peace and 

 war. G. Jones. Quar J Econ (Randall Hall. 

 Cambridge, Mass. $5 per yr.) 34:391-431 My 

 '20 



Parallel formation of carbon dioxide, am- 

 monia and nitrate in soil. P. L. (3ainey. 

 Soil Sci 7:293-311 Ap '19 



Production of nitrogenous compounds syn- 

 thetically in the United States and Ger- 

 many. R. E. McConnell. Am Fert 51:112-1- 

 S 13 '19 



l;elation of nitrates to nodule production. W. 

 H. Strowd. bibliog Soil Sci 10:343-56 N '20 



Report on the separation of nitrogenous com- 

 pounds in meat products. L. C. Mitchell. 

 Assn OfRc Ag Chem J 4:502-6 My '21 



Reports single season's test of use of nitrate 

 in growing corn. Weekly N L 6:4 F 26 '19 



Story of war nitrates. B. M. Baruch. Am Fert 

 50:74 Ja 4 '19 



Synthetic nitrogenous fertilisers. E. J. Rus- 

 sell. Tropical Ag 56:238-45 Ap '21 



Use of nitrates. Am Flor 56:838 My 14 '21 



W'ashing out of nitrates by drainage water 

 from uncropped and unmanured land. E. 

 J. Russell and E. H. Richards. J Ag Sci 

 10:22-43 Ja '20; Abstracts. Exp Sta Record 

 43:19-20 Jl '20; Ag Gaz of Canada 7:837-8 

 O '20 



W'orld's nitrate market. Am Fert 54:53 Ap 

 23 '21 



See also Ammonium nitrate; Saltpeter, 

 Chile 



Analysis 



Use of permanganate in the Kjeldahl metW- 

 od modified for nitrates. I. K. Phelps. 

 Assn Offic Ag Chem J 4:69-70 Ag '20 



Nitric acid 



Solvent action of dilute citric and nitric acids 

 on rock phosphate. J. A. Stenius. J Indus- 

 trial & Eng (Chemistry (Am. Chemical Soc, 

 Easton, Pa. 60c) 11:224-7 Mr '19 



Nitrification 



Antagonistic action of calcium and iron salts 

 toward other salts as measured by ammo- 

 niflcation and nitrification. J. E. Greaves, 

 bibliog Soil Sci 10:77-102 Ag '20; Summary. 

 Exp Sta Record 44:20-1 Ja '21 



Comparative rate of decomposition of green 

 and cured clover tops in soil. A. L. Whit- 

 ing and W. R. Schoonover. bibliog Soil 

 Sci 9:137-49 F '20; Abstract. Ag Gaz of 

 Canada 7:911 N '20 



Effect of carbon disulphid and toluol upon ni- 

 trogen-fixing and nitrifying organisms. P. 

 L. Gainey. J Ag Research 15:601-14 D 16 '18 



Effect of organic nitrogenous compounds on 

 the nitrate-forming organism. E. B. Fred 

 and A. Davenport, bibliog il Soil Sci 11: 

 389-407 My '21 



Effect of oxidation of sulphur in soils on 

 the .<?olubilitv of rock phosphate and on 

 nitrification. O. M. Shedd. bibliog J Ag Re- 

 search 18:329-45 D 15 '19 



Effect of sulfoflcation and nitrification on 

 potassium and other soil constituents. 

 J. W. Ames and G. E. Boltz. bibliog Soil 

 Sci 7:183-95 Mr '19 



Effect of sulfoflcation and nitrification on 

 rock phosphate. J. W. Ames and T. E. Rich- 

 mond, bibliog Soil Sci 6:351-64 N '18 



Effects of forest regeneration, especially of 

 pines on soil nitrification, researches in 

 Sweden H. Hesselmann. Int R Sci & Prac 

 Ag 10,no 4:425-6 Ap '19 . 



Formation of nitrates in a soil following the 

 growth of red clover and of timothy. T. L. 

 Lyon and others, bibliog Soil Sci 9:53-C4 

 Ja '20; Abstract. Ag Gaz of Canada .:i06 

 Ag '20 



