962 



EXPERIMENT STATION RECORD. 



[Vol. 37 



National— Page. 



Forest Reservation Commission, report.. 348 



Potato Association 601 



Research Council, work of agriculture 



committee 4 



Nature study — 



and elementary agriculture in Georgia ... 194 



bulletin S98 



course in 395 



Nebraska — 



Station, notes 197, 897 



University, notes 197, 600, 897 



Nectar secretion, studies 633 



Nectarines, drying 114 



Nectria — 



bainaii hypoltuca n.var., notes 148 



ditissima, mode of attack 253 



sp., on sugar cane 553 



Nematodes — 



destruction with calcium cyanamid, Fla. 453 



giant, In abdominal cavity 281 



heteroxenous, larval forms 361 



in Philippines 277 



injurious to black currant 843 



injurious to dasheens 841 



Injurious to pepper 249 



injurious to pineapples, l"la 652 



technique, methods 549 



treatment, Fla 652 



Nematospora lycopersici n.sp., description 842 



Neotoma cinerea lucida n.subsp., description. 757 



Nephclometer-colorimeter, description 205 



Nephritis, respiratory metabolism in 267 



NepticulidjE of North America 564 



Nest eggs, tests, Iowa 70 



Nevada- 

 Station, notes 97,498,897 



Station, report 95 



University, notes 97, 498 



New Hampshini College, notes 97,197,498 



New Jersey College and Stations, notes. 98, 197, 498 



New Mexico Station, report 95 



New York- 

 Cornell Station, notes 98, 498, 600 



Cornell Station, report 298 



Produce Exchange, report S91 



State Station , notes 197, 29<). 797 



State Station, report 396 



Nezara — 



hilaris, studies, Ohio 258 



viridula, notes i5 



Nicotiana hybrids- 

 heredity in 4:i:{ 



steriUty in 22.J 



Nicotin— 



determinat ion in tobacco 14 



effect on plant growth CJ2 



emulsion for 760 



solutions, aqueous, concentration and op- 

 tical rotatory power 14 



sulphate, Insecticidal value 559 



sulphate, use as a spray, U.S.D.A 600 



Niger-seed plant, culture for seed 230 



Nigredo fallens, ascial stage on red clover 752 



Nipponorthezia, new genus, description 358 



Nitrate- 

 industry of Chile 217 



Norwegian. (Sw Calcium nitrate.) 



Nitrate— Continued. Page, 



of lime. (See Calcium nitrate.) 

 of soda. (See Sodium nitrate.) 



salts, industry in India 722 



Nitrates- 

 determination in presence of chlorids 504 



determination in soils Ill 



determination in water 506 



effect on nodule formation 133 



leaching from penious soils 23 



relation to cultural practices and plant 



growth 813 



Nitric- 

 acid, effect on plants 224 



nit rogen in coimtry rock, Utah 518 



Nitrification— 



as a factor in soil fertiUty 519 



as affected by manganese salts, Iowa 126 



in soils 318 



relation to cultural practices and plant 



growth 813 



Nitrites- 

 accumulation in soils 19 



In diseased plants 549 



Nitrogen — 



absorption and leaching in soils 23 



amino-acid, determination in blood 14 



amino-acid. In blood of \-arious species. . . 206 



amino, and anaphylatoxLn 582 



amino, relation to quality in flour 206 



assimilation by com 223 



atmospheric, fixation by nonlcgume 



plants. 111 819 



atmospheric, industrial fixation 321,815 



compounds of soils and fertilizers 216 



compounds, sources in United States 217 



determination in alfalfa hay 309 



determination in calcium cyanamid 413 



determination in fertilizers 504 



determination in forage plants 113 



determination in tobacco leaves 509 



digestion apparatus, description 503 



distribution in soils 517 



fixation and oxygon release in green 



plants 25 



fixation by plants 129 



Fixing organisms in Iowa soils 517 



fraction, new, in soils 51S 



gaseous, in swamp rice soils 424 



in mulberry leaves 525 



lime. (S<« Calcium cyanamid.) 



loss in industrial wastes 630 



metabolic, determination, U.S.D..\ 672 



metabolism of peas 24 



nitrous, in irrigated soils 120 



production in United States 721 



relation to citnis mottle leaf, U.S.D.A. 353 



removal by com crop. Conn. State 232 



transfonnation and distribution in citr.is 



soils, U.S.D.A 318 



Nitrogenous fertilizers- 

 comparison 321, 426, 739 



effect on nodule formation 133 



forsetniarid soils, U S.D.A 319 



Nocardia bovis, studies 482 



Noctuid, new, form Brazil 564 



Nonpartisan League in North Dakota 592 



North Carolina Station, report 099 



