656 



Journal of Agricultural Research 



Vol. X 



Page 

 Smith, E. F. (paper): A New Disease of 



Wheat 51-54 



Smith, F. H., and Ewing, P. V. (paper): A 

 Study of the Rate of Passage of Food Resi- 

 dues through the Steer and Its Influence on 



Digestive Coefficients 55-63 



Snapdragon. See Antirrhinum spp. 



Soap, effectiveness as insecticide of quassia 



extracts containing 515 



Sodium — 

 bicarbonate — 

 effect of soluble lime salts upon forma- 

 tion of 561-562 



efiect upon organic matter 575 



carbonate — 

 effect of — 



gypsum upon formation of 549-55° 



reaction of calcium carbonate on 543-546 



soluble lime salts upon formation of .547-549 



effect upwn organic matter in soil 566-572, 



575-577 

 formation in presence of salts of lime. . . 550-557 

 See also Alkali, black, 

 chlorid— 

 effect upon organic matter of soil in 



presence of sodium carbonate 582-586 



reaction with — 

 calcium carbonate and calcium chlorid . 547 

 calciimi carbonate and calcium sul- 

 phate 549 



sodium sulphate and calcium carbonate 75 



in alkali 342-344, 349, 352 



in ash 342-344, 352 



in shale 342-344. 349> 352 



in soil 342-344; 352 



nitrate, reaction with — 



calcium carbonate 545 



calcium carbonate and calcium nitrate. . . 547 

 calcium carbonate and calcium sulphate. 549 

 salts — 

 effect upon solubility of calcium carbon- 

 ate in soils 577-578 



reaction with — 



calcium carbonate 543 , 566 



calcium carbonate in presence of carbon 



dioxid 558-560 



sulphate — 

 eSect upon organic matter of soil in pres- 

 ence of sodium carbonate 582-586 



reaction with^ 



calcium carbonate 546 



calcium carbonate and calcium sul- 

 phate 547. 550 



sodium chlorid and calcium carbonate. 549 

 Soil- 

 alkali in 344 



analysis of, for use in evaporation experi- 

 ment 244-249 



calcareous, formation of black alkali in. . 541-590 

 effect of — ^ 



boron in, on Triticum spp 591-597 



paraffin on — 



ammonia in 355-363 



ammonia nitrogen in 356-363 



calcium carbonate in 355-363 



nitrate in 355-363 



Page 



Soil — Continued 

 effect of — Continued 

 sodium — 

 chlorid upon organic matter of in pres- 

 ence of sodium carbonate 582-586 



salts upon solubility of calcium carbon- 

 ate in 577-578 



sulphate upon organic matter of in pres- 

 ence of sodium carbonate 582-586 



fallow, effect on soil moisture 117-124, 151 



isolation of cyanuric acid from 85793 



moisture. See Moisture, soil. 



relation between sodium salts and calcium 



carbonate in .- 566 



relation of mosaic disease to i nf ection in . . 623-624 



soluble salts in 341-342.346.348,349,350,352 



sterilization, effect on mosaic disease 622-623 



type, effect on soil moisture 116, 143-153 



water movement in, in relation to — 



hygroscopicity 391-428 



initial moistness 391-428 



Sorghum. See Andropogon sorghum. 



Species, new 161 (footnote), 313-316 



Specific gravity, apparent, relation to — 



hygroscopicity 409 



moistness 409 



Spilochalis delira, parasite of A ngiiia plutellae . 8 



Spray — 



effect of arsenates as 199-207 



use of nicotine sulphate as 47-5° 



Stakman, E. C, and Piemeisel, F. J. (paper): 

 Biologic Forms of Puccinia graminis on 

 Cereals and Grasses 429-496 



Steenbock, H., et al. (paper): Physiological 

 Effect on Growth and Reproduction of 

 Rations Balanced from Restricted 

 Sources 175-198 



Steer, influence of — 



kind of feed on rate of passage through 60 



moisture of feces on digestion 55-56 



quantity of feed on rate of passage through . 60, 61 

 rate of passage of feed on digestion 60-61 



Stemrust. See Puccinia graminis. 



Stewart, R., and Peterson, W. (paper): 

 Origin of Alkali 331-353 



Studies on Oat Breeding— V: The Fi and F2 

 Generations of a Cross between a Naked 

 and a Hulled Oat (paper) 293-312 



Study of the Proteins of Certain Insects with 

 Reference to their Value as Food for Poul- 

 try, A (paper) 633-637 



Study of the Rate of Passage of Food Resi- 

 dues through the Steer and Its Influence on 

 Digestion Coefficients, A (paper) 55-63 



Substitute for Litmus for Use in Milk Cul- 

 tures, A (paper) 105-111 



Sugar, percentage in alfalfa silage 291 



Sulphate, nicotine. See Nicotine sulphate. 



Sulphuric acid. See Acid, sulphuric. 



Surface, F. M., and Zinn, J. (paper): Studies 

 on Oat Breeding — V: The Fnand F2 Genera- 

 tions of a Cross between a Naked and a 

 Hulled Oat 293-312 



Swanson, C. O., and Tague, E. L. (paper): 

 Chemical Studies in Making Alfalfa Silage 275-292 



Sweet alyssum. See Koniga ■inarilim.a. 



