972 



EXPEKIMENT STATION RECORD. 



[Vol. 41 



Nephritis, diet used in treatment, 561. 

 Nessler's solution, regeneration, 712. 

 Nests, open and trap, Wash., 292. 

 Neurotoma incompicua — 



in South Dakota, 59. 



studies, S.Dak., 251. 

 Nevada — 



Station, report, 299. 



University and Station, notes, 899. 

 New Hampshire College and Station, notes, 



499. 

 New Jersey — 



College and Stations, notes, 498. 899. 



Stations, report, 98. 

 New Mexico — 



College, notes, 900. 



Station, notes, .398, 900. 



Station, report, 198. 

 New York — 



Cornell Station, notes, 499. 



State Station, notes, 300, 700. 



State Station, report, 397. 



State Veterinary College, 696. 

 Nezara, tiridula — 



hibernation, Pla., 548. 



in citrus groves, 355. 



studies, 251. 

 "Nicotiana — 



riistica, aurea character, 440. 



tabacum, gigantism in, 440. 

 Nicotiana, self-sterility, studies, 223, 431. 

 Nicotin — 



solutions, strength of, 754. 



sulphate, insecticidal value, 160 : 111., 

 146. 

 Night soil, fertilizing value, 814. 

 ^'igrospora panici, notes, 544. 

 Nippon river fever. (See Tsutsugamushi.) 

 Niaotra hreiceri, notes, 661. 

 Niter cake for ammonia fixation, 516. 

 Nitrate — 



content of soil as affected by various 

 crops, N.Dak., 823. 



deposits of Amargosa Valley, 323. 



formation as affected by cultivation 

 and weed growth, Kans., 33. 



Norwegian. (."?ee Calcium nitrate. t 



of ammonia. (Kee Ammonium nitrate.) 



of lime. (See Calcium nitrate.) 



of potash. (See Potassium nitrate.) 



of soda. (See Sodium nitrate.) 



production in soil, studies. Mo., 623. 

 Nitrates — 



determination, 204. 



effect on soil solubility, Mich., 512. 

 Nitrification — 



as affected by organic matter and lime, 

 319. 



as affected by phosphates, 721. 



as affected by sodium salts, 320. 



as criterion of fertility, 321. 



effect on rock pliosphate, 324. 



effect on soil constituents, 324. 



in bhatta .soils, 812. 



in Egyptain soils, 812. 



in embanked wheat soils of India, 811. 



In moor soils, 212. 



Nitrification — Continued. 



in natural soils, 125. 



in wheat seed bed, Kans., 33. 



of leather, 517. 



of oil cake, 517. 816. 



studies, 421, 623, 720. 

 Nitrite formation in .solution, 623. 

 Nitrites, determination, 204. 

 Nitrobenzene, toxicity, N.Y.Cornell, 82. 

 Nitrocellulose — 



explosives, colloid chemistry, 801. 



from woodpulp, 14. 

 Nitrogen — 



absorption by peat, 722. 



amino-acid, in gastric residuum, 764. 



assimilation as affected by sulphates, 

 427. 



assimilation, relation to cellulose de- 

 composition, 632. 



atmospheric, solution by water, 321. 



compounds, production in Germany, 

 424. 



content of cacao soils as affectea By 

 shading, 213. 



content of crops as affected by soils 

 and fertilizers, 422, 813. 



content of field soils, variations, 124. 



content of high-altitude grasses, Wyo., 

 333. 



content of rain and snow, 620; Can., 

 510. 



content of soil as affected by Kafir 

 corn, Kans., 34. 



content of soil as affected by various 

 salts, 326. 



determination. 504. 803. 



determination in blood, 13, 116, 617. 



determination in fertilizers, 228. 



determination in oils, 711. 



determination in soil, 124, 411. 



determination in urine, 414. 



distribution, determination, 712. 



fixation as affected by sodium salts, 

 320. 



fixation as criterion of fertility, 321. 



fixation, fertilizers from, 423. 



fixation, nonsymbiotic, 125, 721. 



fixation processes, 22, 111, 131, 218. 



fixed inorganic, production and con- 

 sumption, 22. 



lime. {See Calcium cyanamid.) 



movement in soils, 214. 



nitrate and organic, relative avail- 

 ability, 627. 



of liquid manure, studies, 721. 

 Nitrogenou.s — 



compounds, utilization in bacterial 

 nutrition, 264. 



constituents of feeding stuffs, 367. 



refuse, utilization, 723. 

 Nitrogenous fertilizers — 



availability, N.J., 22. 



comparison, 22, 218, 229, 424, 723, 

 814, 815, 825; Can., 516; Mass., 21. 



for corn and wheat, Del., 136. 



for orchards,. Mo., 649, 650. 



mineral v. organic, N.C., 624 



