1916] 



INDEX OF SUBJECTS. 



967 



Nitrification — Continued. Pape. 



iu acid soils, I'a 514 



in soils G12G 



relation to crop production, 



Ohio 424 



Nitrifying organisms, media for 226 



Nitrite - forming organism, new, 



studies 334 



Nitrogen — 



amino-acid, determination 



atmospheric, assimilation by 



plants 



atmospheric, fixation by elec- 

 tricity 



carbid, fertilizing value 



compounds, metabolism in etio- 

 lated shoots of barley 



content of rain 



determination 



effect on devitalized apple trees, 



Oreg 



fate in the animal body 



fixation as affected by iiumus- 



forming materials 



fixation by soil flora 



fixation in stable manure 



fixing organisms, media for 



insoluble, availability in fertiliz- 

 ers 



lime. (See Calcium cyanamid.) 



loss from soils, Fla 812 



metabolism during pregnancy.- 473 

 metabolism during recuperation 



after fasting 



nonprotein, in blood of children 

 organic, effect on action of phos- 

 phates 326 



salts, effect on seeds sensitive 



to light 



utilization and accumulation, 



N.J 



Nitrogenous fertilizers — 



action as affected by distribu- 

 tion in soils 



availability 



availability, N.J 123 



comparison 22, 



126, 323, 325, 427, 518, 519 



for olives 839 



manufacture and use 428 



Nitrometer, modified Lunge, descrip- 

 tion 314 



Nonprotein substances, determina- 

 tion in muscle 614 



North Carolina — 



College, notes 97, 698 



Station, notes 97,197,698 



Station, report 595 



North Dakota — 



Dickinson Substation, report 299 



Station, report 94 



Notopygua virginiensis n.ap., descrip- 

 tion 262 



Nummularia diaoreta, dissemination 



by tree crickets, N.Y.State 548 



201 



435 



219 

 519 



434 

 620 

 110 



540 

 473 



216 

 320 

 218 1 

 226 



426 



165 

 665 



222 



125 



518 

 426 



Nursery— p^g^ 



Inspection, Conn.Stato 53 



inspoction in Arizona 608 



Inspection iu District of Colum- 

 bia 755 



Inspection iu New Jersey 755 



Inspection In West VlrKinla 057 



Inspection laws In United 



States and Canada 4(11 



stock. Imported, Inspoction 755 



Nut grass, .Japanese, control, lluwall. 52,S 



Nut tJrowers' Association, Northern, 



proceedings 145 



Nutmeg, effect on micro-organisms ._ 557 



Nutrient solutions, concentration of. 438 



Nutrients- 

 availability In sand cultures. __ 423 

 osmotic pressure In relation to 



plant growth 434 



Nutrition— 



animal. (See Animal nutrition.) 



biochemical analysis .168 



papers on 99, 858, 859 



text-book 268 



treatise 765 



(See also Digestion, Metabolism, 

 etc.) 



Nuts, culture In — 



California 142 



Canada 145 



New York 145 



Pennsylvania 145 



yysius vinitor, notes 853 



Xyssorhynchus annulipcs, notes 258 



Oak- 

 mildew, notes 655 



mildew, studies 51 



white rot, studies 655 



Oaks — 



and olives, growing in close 



proximity 654 



with persistent foliage, leaf 



structure 543 



Oat- 

 diseases, notes, N.J 245 



hulls, analyses, N.II 374 



hulls, analyses, N.Y.State 867 



hulls, analy.ses, IM 374 



loose smut, studies. Mo 845 



mildew, studies. Mo 845 



mite, description 468 



powdery mildew, studies. Mo 651 



rust, description 47 



stinking smut, notes, Kans 348 



straw, effect on bacterial activ- 

 ity of soils 210 



Oatmeal mlddling.s, analyses, Wls__ 502 



Oats- 

 analyses, Conn. State 562 



as a sole ration for guinea pigs 



and rabbits 781 



as affected by calcium and mag- 

 nesium, U.S.D.A 726 



breeding experiments. Me 831 



cost of production, Minn 691 



culture experiments, N.Dak-_ 228, 229 



