1919] 



INDEX OF SUBJECTS. 



973 



Nitrogenous fertilizers — Continued. 



mining and manufacture, 423. 



organic-cake, bacterial transformation, 

 816. 



residual effect, N.C.. 625. 



use in India, ,32.3. 



world's .supply, 424. 

 Tsloctua fractilinea, notes, Mich., 660. 

 Noctuid moth, control, 339. 

 Nodule — 



bacteria as affected by germination, 

 735. 



bacteria as affected by sulphates. 427. 



production In bhatta soils, 812. 



production, notes, 522. 



(See also Bacillus radicicola and Le- 

 gumes, inoculation.) 

 North Carolina Station, report, 699. 

 North Dakota- — 



College, notes, 399, 499. 



Hettinger Substation, report, 897. 



Station, notes. 399. 



Station, report, 198. 

 Nosema apis, diagnosis, 667. 

 Nosema disease of bees, U.S.D.A., 359. 

 Nucleus of leaf cells as center of oxidation. 



221. 

 'Summularia discreta, studies, 347. 

 Nursery — 



insects in New .Jersey, 549. 



inspection. Conn. State, 158. 



inspection In Illinois, 835. 



inspection in New Jersey, 443. 



inspection law of South Dakota, 58. 



stock crown gall, studies, 545, 750 ; ' 

 Iowa, 238, 249. 



stock, imported, insect pests on, 251. 

 Nusa, Nearctic, notes, 62. 

 Nut margarins, inspection and analyses. 



Conn. State, 170. 

 Nutrient — 



media. (See Culture media.) 



solutions as affected by added solids, 

 133. 



solutions as affected by adsorbing sur- 

 faces, 422. 



solutions at minimum concentration, 

 root absorption from, 132. 



solutions for maize, 820. 



solutions, use of Iron in, 430. 

 Nutrition — 



animal, motbods of experimentation, 

 366. 



fat-protein ratio in, 669. 



influence on immunity production, 574. 



of the rat, accessory factors in, 171. 



reduction of standard ration, 854. 



r61e of various food constituents In, 

 670. 



standard of adolescence, 669. 



studies with tadpoles, 468. 



(See also Diet,, Digestion, Metabolism, 

 Vitamins, etc.) 

 Nuts- 

 Chinese, collected by Meyer, 742. 



culture, 339. 



177848°— 20 7 



Nuts — Continued. 



culture and variety tests, N.Mex., 147. 

 varieties, 837. 

 yysius ericce, notes, Mont., 57. 

 Oak — 



diseases, notes, 752. 

 leaf miners, notes, 555. 

 mildew, control, 659. 

 poisoning of live stock, U.S.D.A., 191. 

 tree-hopper, notes, Fla., 548. 

 worms, notes, 258, 662. 

 Oat- 

 aphis eggs, studies, N..J., 255. 

 aphis, studies, N.Y.Cornell, 849. 

 feed, analyses. Can., 564 ; N.H.. 68. 

 grass, downy, analyses, Wyo., 333. 

 grass, tall meadow, Idaho, 225. 

 hulls, analyses. Can., 564 ; Ind., 564 ; 



N.H., 68; N.Y. State, 868. 

 middlings, analyses, Ind., 564, 868. 

 mildew, studies. Mo., 654. 

 protein, efficiency, 763. 

 rust, resistant varieties, Iowa, 227. 

 rust, studies, Iowa, 49 ; Mo., 654. 

 smut, notes, 747. 

 smut, studies, Mo., 654. 

 sprouter. Wash., 691. 

 straw for work horses, Mo., 675. 

 Oatmeal by-products, analyses, N.Y. State, 



868. 

 Oats^ 



amino-acid content, 367. 



and peas as spring forage. Mo., 637. 



and peas for silage. Mo., 334. 



and peas, yields, N.,T., 35. 



as affected by alkali salts, 623. 



as affected by ammonia nitrogen, 815. 



as affected by chlorin, 724. 



as affected b,v Hessian fly, Kans., 34. 



as affected by sodium arsenite, 625. 



as affected by stones in soil, 813. 



as hay crop for Alaska, Alaska, 30. 



as nurse crop for sweet clover. Mo., 



637. 

 as orchard cover crop, Kans., 41. 

 as peach-orchard cover ci-op, Del., 14."). 

 as phytometer, 327. 

 blasting of panicles, Nev., 227. 

 breeding experiments, Alaska, 31 ; 



Minn., 730; N.C., 638; N.Y.Cornell, 



641. 

 brcfding for rust resistance, Iowa, 227. 

 climatic requirements, U.S.D.A., 417. 

 composition as affected by soils and 



fertilizers, 422. 

 cost of production, Minn., 91. 

 culture experiments, 334, 639 ; Can., 



528; Mich., 6-36; Mo., 637; N.Dak., 



824 ; Nebr., 36. 

 culture in Minnesota, Minn., 387. 

 culture in South Africa, 528. 

 culture on sandy soils. Wis., 18. 

 effect of number of plants per hill, 



N.J., 36. 

 effect of position of grain, N.J., 36. 

 effect on "soil nitrate content, Mo., 623. 



