1282 



EXPERIMENT STATION RECORD. 



Nitrogen— Continued. Page, 



ammonia- 

 determination in superphosphates. . 1037 



fixation by zeolites 530 



utilization 122 



assimilation by plants 21, 751 



atmospheric- 

 accumulation and utilization in 



soils 17 



fixation 526, 527, 649, 827, 1051, 1142 



by bacteria 949, 950 



N. J 342 



leaves 564, 951 



peat mold 120 



plants 949 



utilization 447, 



526, 527, 746, 747, 748, 749, 951 , 1051 



atomic weight 527 



determination 432, 1037 



in feeding stuffs 528 



milk 1133 



organic substances ... 333 



soils 436 



urine , 334 



Kjeldahl method 112 



solutions used in 634 



tables for, Wyo 1133 



enrichment of soils 1050 



excretion as affected by water drh '.ring. 683 



by ruminants 1103 



feeding of plants 648 



fixation, investigations 648 



by bacteria 447, 1048, 1145 



fixing bacteria 750 



in soils 120 



the ocean 118 



studies 950 



tests, Can 950 



U. S. D. A 950 



free extract, determination in feeding 



stuffs 528 



loss in liquid manure 649 



metabolism 167, 168, 486, 490, 491, 888 



discussion 1100 



nitrate, assimilation by plants 1144 



fixation by bacteria 447 



of soils, changes in 1048 



urine, preservation and action 448 



organic, assimilation by plants 348, 349 



determination in sewage 634 



water 334 



nitrification 537 



renal excretion, investigations 168 



requirements by man 62 



solubility in soils as affected by electric 



current 745 



sources 542 



Nitrogenous- 

 fertilizers, availability of nitrogen in, 



N.J 344 



comparison 450, 543, 948 



Mass 234 



effect on phosphates 1052 



forms 1142 



new 447 



pot experiments 1053 



transformations in soils 1048 



Nitrogenous— Continued. Page. 



substances, cutaneous excretion 613 



in seeds and leaves 956 



during ripening 541 



Nitrous acid, determination 7, 634, 635 



in water 219,936 



volumetric 



method 334 



in sea water 533 



Nodular disease in cattle 596 



sheep 596, 804 



La 405 



prevalence in Ohio 804, 1189 



Noodles, egg, judging 685 



notes, U. S. D. A 716 



Nori, carbohydrates of 889 



North Carolina- 

 College, notes 100, 1026 



Station, financial statement 511 



notes 201,309, 1026 



report of director 511 



North Dakota— 



Edgeley Substation, report 238 



Station, financial statement 307 



report of director 307 



North Polar work, Nansen's, U. S. D. A . .. 637 



Novius cardinalis, notes 784 



Nucleic acid, effect on nutrition 579 



Nuclein, effect on nutrition 579 



Nursery — 



inspection, W. Va 679 



discussion 515 



in Kansas 1091 



Maine 1092 



Massachusetts 1090 



Michigan 883, 1169 



Ohio 378 



Oregon... 52,463 



Pennsylvania 784 



Rhode Island 676 



Utah 52 



West Virginia, W. Va . . . 1091 



laws 677 



uniformity in 620 



legislation in Cape of Good Hope 266 



stock, dipping, Mo. Fruit 882 



fraud in the sale of, Ohio 716 



fumigation 56,574, 1169 



Md 574 



U. S. D. A 1024 



winter storage 467 



Nut weevils, notes, U. S. D. A 162 



W.Va 1091 



Nutrition- 

 investigations, U. S. D. A 165 



Japanese, U. S. D. A . . . 681 



progress in 337 



notes 579 



organic phosphorus compounds in 579 



teaching 165 



(See also Digestion, Food, Metabolism. 

 etc.) 



Nuts, culture 142 



in Argentina 662 



Oregon 468 



new creations, U. S. D. A 142 



