EXPERIMENT STATION RECORD. 



[Vol. 38 



Soils— Continued. Page. 



as affected by storage, Mo 619 



as affected by wet cultivation 



for rice 117 



auto-irriKators for 719 



black alkali, of San Luis Val- 

 ley, Colo 324 



calcareous, black alkali in, 



U.S.D.A 18 



carbon dioxid production in, 



Iowa 118 



carbon-nitrogen relations 421 



chemical changes, microbial 



agency in 322 



chernozem, sterilization 17 



classification 512 



decomposition of organic matter 



in 117 



DeKalb, fertilizer requirements. 



Pa 219 



effect on burning quality of to- 

 bacco 230 



effect on composition of wheat, 



Ohio 518 



forest, composition 722 



fumigation, U.S.D.A 457 



humid, excess of soluble salts in 418 



hydrogen-ion concentration 620 



hydrolytic ratio, U.S.D.A 511 



hygroscopic coefficient, deter- 

 mination, U.S.D.A 210 



management. 111 719 



methods of mechanical analysis- 313 

 muck and peat, subsidence after 



drainage 690 



niter, reclamation, Colo 323 



nitrification in, U.S.D.A 211 



of Aroostook County, Maine 620 



of Bihar, phosphate depletion 118 



of Dutch East Indies 542 



of Indiana, fertilizer require- 

 ments, Ind 219 



of Java 513 



of Mauritius, analyses 513, 514 



of New Jersey, Freehold area, 



analyses, N.J 214 



of northern Wales, studies 116 



of Ozark upland region. Mo 217 



of Russia, nitrogen-fixing bac- 

 teria in 428 



of South Africa, analyses 411 



of south-central Texas, Tex 324 



of Tennessee, nitrogen economy, 



Tenn 212 



of Umatilla project, U.S.D.A 422 



peat, drainage 591, 690 



peat, microorganisms of 420 



phosphoric acid of, studies 117 



productivity, determination, U. 



S.D.A 812 



rarer elements in, U.S.D.A 400 



reaction, U.S.D.A 620 



reaction, determination 410 



red, of Limburg, Netherlands 513 



relation to forests 542 



shrinkage 321 



Sterilization 17, 514, 556, 720 



Soils — Continued. Page. 



sterilization, Vt 420 



sticky clay, of Limburg, Nether- 

 lands 513 



subarctic, unusual features 732 



textbook 196 



translocation of salts in 



U.S.D.A 417 



Solandra longiflora, toxicity 782 



Solanum rostratum, description 539 



Solar — 



activity, relation to rainfall and 



magnetic storms 15 



atmosphere, structure, U.S.D.A. 811 



corona?, U.S.D.A 812 



radiation measurements, plea 



for 114 



{See also Sun.) 



Soldier bug, green, notes, Ohio 197 



Soldiers — 



convalescent, agricultural In- 

 struction 299 



returned, employment on farms 293 



returned, land settlement for 791 



Solutions, standardizing 204 



Soot fall in St. Louis 115 



Sorghum — 



as a feed crop, Cal 665 



as a substitute for sugar, Ohio_ 899 



biennial cropping, U.S.D.A 430 



culture experiments 133 



culture experiments, Kans 632 



culture experiments, S.Dak 341 



culture experiments, Tenn 334 



culture experiments, Tex 829, 830 



culture for chicken feed, Hawaii 827 

 culture in eastern Oregon, 



U.S.D.A 432 



digestibility 778 



fertilizer experiments, Hawaii _ 829 



grain, culture in Utah, U.S.D.A 230 

 grain, fats and fatty acids of, 



Okla 410 



grain, seed selection, Cal 237 



kernel smut, investigations, Mo_ 645 



seeding experiments, Kans 630 



seeding experiments, Tex 32 



selection experiments 433 



smuts, treatment 351 



stalks, feeding value, Cal 168 



sweet, as a silage crop, Cal 174 



sweet, as a silage crop, Kans — 630 



varieties 433 



varieties, Hawaii 828 



varieties, Kans 630 



varieties, S.Dak 341 



varieties, Tex___ 32, 334, 829, 830, 831 



varieties, U.S.D.A 431 



water requirement, Nebr 229 



Sorrel disease, notes 350 



South Carolina Station- 

 notes 98, 800 



report 698 



South Dakota — 



College, notes 98, 400, 600 



Station, notes 400,600 



