998 



EXPERIMENT STATION EECOED. 



Soils— Continued. Page. 



of Luzon, analyses 619 



of New Jersey, manurial requirements. . . 421 

 of North Carolina, chemical and mineral 



analyses, N. C 621 



of North Carolina coastal plain, fertilizer 



needs 629 



of Nyasaland, analyses 620 



of Olifants River irrigation scheme 418 



of polar and subpolar regions, structure . . 23 

 of Rutherglen Experiment Farm, analy- 

 ses 513 



of St. Croix, analyses 133 



of Sahel, analyses 814 



of South Africa, analyses 119 



of South Australia, analyses 720 



of southeastern Manitoba 839 



of Tunis 492 



of United States, radio-activity 418 



of Wayne County, Mich., classification. . . 619 



organic nitrogen in, Hawaii 11 



osmosis in 720 



pakihi, of New Zealand 419 



partial sterilization 27 



pasture, nitrification in 516 



physical analysis 418 



physical properties 215 



physical properties, importance in soil 



judging 514 



"physiological depth" of 26 



porosity 486 



pseudo-isotropic, heat movement in 24 



radio-active emanations of 20 



red, formation 513 



red, properties 618 



relation to plants 791 



review of investigations 723 



sandy, as affected by humus 732 



sandy, improvement, Wis 723 



sandy, lime requirements 726 



sandy, methods of analysis 719 



sterilization and disinfection 621 



sterilization by caustic lime 519 



sterilization in forcing houses . . . '. 336 



sterilized, nitrate reduction in 121 



sterilized, productivity 819 



sulfofying po■^^•er 318 



swa mp, drainpipe deposits in 721 



testing, Iowa 215 



treatise 118, 719 



tropical, fertilizer needs 723 



water capacity 313 



white, of upper Weser River 513 



wilting coefficients 522 



wind erosion of 317 



Solanaccous plants, brown rot of, description 745 



Solanum — 



commersonii, tubers of 529 



lycopcrsicum, carotinoid content 803 



n.spp., descriptions 425 



tuberosum, origin 833 



Solanum— 



grafts between various species 740 



wild tuberiferous, descriptions 824 



Solar- 

 atmosphere, motion of, U.S.D.A 615 



radiation intensities at Mount Weather, 



Va., U.S.D.A 615 



Solutions— Page. 



lectures on. 309 



nutrient, for plant cultures 425 



Soot, effect on vegetation 826 



Sorbus aucuparia, carotinoid content 803 



Sore- 

 mouth in pigs, Colo 879 



throat, epidemic, relation to milk 174 



Sorghum— 



and cowpea silage, digestibility, Tex 863 



aphidid enemies of 755 



culture, Ohio 35 



culture experiments 733, 829 



downy mildew, studies 51 



exhibits, preparation, Kans 495 



fertilizer experiments 421, 733, 829 



fodder, digestibility, Tex 863 



grain, as a forage and silage crop, Okla. . . 829 

 grain, culture under dry-land conditions, 



Utah 429 



grain, food value, Okla 357 



grain, notes, U.S.D.A 333 



grain, treatise 834 



hay, chloroform extract of, Tex 71 



hay, digestibility, Tex 863 



head smut, studies and bibliography, 



U.S.D.A 747 



silage, digestibility, Tex 863 



sugar content as affected by castration. . . 44 



varieties 133, 733, 829 



varieties, Can 829 



varieties, Ohio 36 



SoTosporium rcilianum, studies and bibliogra- 

 phy, U.S.D.A 747 



Soup cubes, composition 656 



Soups, condensed, examination, N.Dak 658 



Sour grass, culture experiments 524 



South Carolina Station, notes 198, 497 



South Dakota College, notes 300 



Sow thistle, destruction. Can 739 



Sows, ovariotomy in 870 



Soy-bean- 

 chop, analyses 864 



meal, analyses 467 



phasin, agglutinating properties 774 



Soy beans — 



analyses 529 



anatomical structure 314 



as a food 66 



culture, Iowa 265 



culture and use 832 



culture and use, Wis 333 



culture experiments, Ind 37 



culture experiments. Me 183 



culture in North Carolina 132 



effect on nitrogen content of soils 733 



fertilizer experiments 133 



fertilizer experiments, Ohio 430 



growth on calcareous soils, P.R 816 



selection and breeding. Wis 829 



varieties 133 



varieties, Ind 37 



varieties, Ohio 226, 430 



varieties, Wis 333, 829 



yields, Ohio 226 



Spalanglaspp., parasitic on fruit flies 456 



Sparrow, English, eating of alfalfa weevD by, 



U.S.D.A 665 



