974 



EXPERIMENT STATION RECORD. 



Page. 



Nile flood of 1912 510 



Ninhydrin reaction, relation to age 



and habits of individuals 876 



Niter spots in soils, origin 121 



Nitrate — 



ferment, studies 726 



industry of Chile 326 



Norwegian. (See Calcium ni- 

 trate.) 

 of lime. (See Calcium nitrate.) 

 of soda. (See Sodium nitrate.) 

 Nitrates — 



accumulation as affected by 



green manuring, Va 721 



detection 804 



determination 501 



effect on nodule production 134 



manufacture from the air 25 



reduction by yeasts and molds- 726 



Schloesing, fertilizing value 25 



Nitric acid in rain water 617 



Nitrification — 



in plants as affected by naph- 



thalin 523 



In soils, studies, Ohio 421 



in soils, studies, Va 620 



of green manures 514 



studies 124, 422 



Nitrites — 



detection 804 



determination 204 



in plants 627 



Nitrogen — 



amino acid and polypeptid, de- 

 termination in barley, malt, 



and beer 613 



amino, in pea seedlings 222 



amino, in protein 201 



atmospheric, assimilation by 



plant hairs 30 



atmospheric, fixation by elec- 

 tricity 125, 219, 326,517 



atmospheric, utilization 25, 424 



atmospheric, utilization by 



higher plants 627 



availability in kelp 206 



determination 109 



determination by colorimetry — 312 

 determination in mixtures of 

 calcium nitrate and cyan- 



amid 711 



determination In Norwegian 



saltpeter 711 



effect on peaches, W.Va 840 



fixation by Azotobacter 823 



fixation by Azotobacter, Va 620 



fixation In sandy soils 619 



fixation In soils, Va 620 



fixation. Investigations 323 



for peaches. Mo 236 



for sweet potatoes, Ala. College- 337 



form of in soils 513 



from Pacific coast kelps, 



U.S.D.A 125 



In forest soils 720 



Nitrogen — Continued. Page, 



lime. (See Calcium cyanamid.) 

 loss by leaching, P.R 122 



loss in cultivated soils 809 



lysin, in proteins 201 



monopoly in Germany 624 



organic and mineral, separation 12 

 organic, availability In fertil- 

 izers 13 



organic, of Hawaiian soils 621 



protein table for feeding stuffs- 711 



utilization by legumes 426 



utilization by sugar beets 434 



Nitrogenous — 



compounds as affected by or- 

 ganic substances 326 



compounds, assimilation by 



mold fungi 726 



compounds, decomposition in 



soils, Hawaii 808 



compounds, effect on germina- 

 tion of seeds 825 



compounds, selection by As- 

 pergillus 824 



fertilizers, comparison 25, 219, 220 



fertilizers, effect on soil nitrates 422 

 fertilizers, effect on tobacco, 



Ohio 733 



fertilizers from refuse sub- 

 stances 125 



fertilizers, separation 12 



Nitrous acid In rain water 617 



Nonlegumes and legumes, effect of 



association, Va 527 



North Dakota — 



College and Station, notes 198 



Station, report 196 



Nuclein, Importance in the animal 



organism 758 



Nummularia discreta, notes, N.Y. 



Cornell 348 



Nursery — 



Industry in Utah 638 



Inspection, Conn. State 57 



inspection certificates, standard- 

 ization 745 



Inspection In Arizona 745 



inspection in Canada, Can 746 



inspection in Kansas 153 



inspection in Queensland 51 



Inspection In Rhode Island 153 



inspection in Tennessee 554 



inspection in Utah 638 



stock leaf diseases, investiga- 

 tions, N.Y.Cornell 347 



Nutrition — 



animal. (See Animal nutri- 

 tion.) 

 as a factor in fetal develop- 

 ment. Mo 266 



bulletins of University of Texas 364 



" central-normal," of adults 462 



chemistry of 258 



investigations of Carnegie In- 



Btitutlon 167, 567 



