1920] 



INDEX OF SUBJECTS. 



993 



Soy bean — Continued. 



oil, composition, 610. 



oil, sampling and examination, 805. 



seedlings, growth as affected by H-ion 

 concentration, 525. 

 Soy beans — 



and other crops for hay, W.Va., 139. 



and sorghum as summer forage, Mo., 

 736. 



as green manure, Md., 122 ; Mich., 639. 



as hay crop, Mich., 639. 



as orchard cover crop. Pa., 538. 



as silage crop, Mich., 639. 



breeding and selection, Ind., 331. 



breeding for high oil content, N.C., 434. 



culture and expression of oil, 240. 



culture and value, Ind., 234 ; Iowa, 

 235. 



culture experiments, Ind., 330 ; Ky., 

 331; W.Va., 139. 



description and agricultural value, 528. 



for fattening cattle, Ind., 570. 



fertilizer experiments, Ohio, 726. 



germination as affected by H-ion con- 

 centration, 525. 



green clover worm on, 759 ; N.C., 450. 



ground, as corn supplement for pigs, 

 Ohio, 377. 



hay yields, Mo., 736. 



hogging-down, Ky., 374, 871. 



inoculation, Mich., 698. 



nutrient requirements, Md., 121. 



popular account, II.S.D.A., 830. 



rotation experiments, Ind., 234 ; Ohio, 

 726 ; W.Va., 139. 



seed production, Mo., 736. 



seeding tests, Mo., 735 ; W.Va., 139. 



steam-cooked, digestibility, 564. 



time of harvesting, W.Va., 139. 



urease content, 10, 610, 802. 



use of soil potassium by, 218. 



varieties, N.C., 434. 



varieties for Iowa, Iowa, 235. 



variety tests, Ariz., 733 ; Ind., 234 ; 

 Md., 153 ; Mich., 639 ; Mo., 735 ; 

 Okla., .32; Tex., 33; W.Va., 139. 

 ^parcianotfiiff sp., notes, 851. 

 Spectrophotometry in analysis, 503. 

 Spelt, wheat nematode attacking, 751. 

 Spermatogenesis — 



of dogs, 269. 



of domestic mammals, 670. 

 Sphacelotheca rrilian^, notes. Wash., 242. 

 SphareUa citri, notes, 243. 

 Upharolecaniutn prunastri, notes, 252. 

 Sphwrothcca — 



humtili, notes, 446. 



mors-uvw, notes, 246. 



ponnosa, notes, 152. 

 Sphincter, tonicity of, studies, 180. 

 Sphingidffi species, studies, Ky., 359. 

 Spices — 



culture in Fiji, 40. 



substitutes in Germany, 204. 

 Spider mite. (See Red spider mite.) 

 Spillways, siphon, summary of informa- 

 tion, U.S.D.A., 787. 



Spinach — 



analyses, 63. 



blight, transmission by Insects, 547. 



disv-ase, new, 544. 



handling for long-distance shipment, 

 U.S.D.A.. 144. 



protein, 409. 



sun-dried, vitamin B in, 63. 



vitamin A extraction from, 165. 

 Spinal cord of animals as food material, 



03. 

 fipirocJiwta — 



icteiohcemorfhagiw, rat as natural 

 reservoir of, 883.. 



theileri, synonymy, 82. 

 Spirochetes as cause of infectlou.s anemia, 



83. 

 Spirochetosis, bovine, in Brazil, transmis- 

 sion, 82. 

 Spleen, changes in deficiency disease, 664. 

 Spondias lutea, durability test of wood, 



44. 

 Sporonema oxycocci, notes, Mass., 155. 

 Spotted fever. Rocky Mountain, mono- 

 graph, 60. 

 Spray — 



gun V. rod, 842. 



nozzles, Bordeaux v. disc, Mo., 757. 



schedule for apple.s, 743. 



schedule for Georgia, 250. 



schedule for orchards, Ohio, 330. 

 Spraying — 



dust. (See Dusting.) 



relation to bees, 662. 



(See also Apples, Potatoes, etc.) 

 Sprays — 



as affected by rain, 657. 



copper. (See Copper.) 



Plckjring, adhesive properties, 

 U.S.D.A., 843. 



Pickering, formulas, U.S.D.A., 843. 



spreaders for, Oreg., 756. 



(See also Insecticides, Fungicides, and 

 specific forms.) 

 Springs — 



contamination and protection, 392. 



temperature of, 321. 

 Spruce — 



budworm attacking, 852. 



growth as affected by locality, 748. 



Production Division, history, 544. 



yield tables, 840. 

 Squash — 



bacterial wilt, control, U.S.D.A., 245. 



bug, control. Mo., 757. 



storage tests, 644. 



wilt, studies, Tex., 846, 

 Squirrels — 



control. Wash., 350. 



ground, plague eradication, 850. 

 Stable fly, studies, U.S.D.A., 362. 

 Stables, construction in Mexico, 290. 

 Staining, differential, of fungus and host 



plant, 444. 

 Stalk borer — 



in South Dakota, 850. 



notes, Conu.State, 251. 



