568 



EXPERIMENT STATION RECORD 



Sulphur— Continued, 

 dioxid— continued. 



effect on animals, (35) 133. 



effect on plants, (35) 28, 133, 243, 636. 



effect on vegetation, (34) 526. 



effect on wine diseases, (35) 617. 



effect on yeasts and bacteria in wine and 

 juices, (35) 611. 



fumes, disappearance from the air, (35) 133. 



in atmosphere of Selby smolie zone, (34) 

 716. 



injury to plants, (34) 745. 



injury to trees, (31) 146. 



insecticidal value, (38) 458. 



leaf injury or loss due to, (35) 243. 



sterilization of soils by, (32) 816. 



use against insects, (36) 456. 

 dips, methods of analysis, (40) 208. 

 dust, fungicidal value, (34) 146; (39) 548. 

 dusting V. spraying with, (31) 449. 

 effect on— 



alfalfa, (37) 33. 



Aspergillus fumigatus, (29) 30. 



availability of mineral phosphates, (36) 26. 



availability of rock phosphate, (39) 118. 



bacterial activity of soUs, (31) 125. 



crops and soils, (38) 221. 



fermentation of manure, (38) 19. 



growth of red clover, (34) 625. 



growth of sugar beets, (30) 834. 



growth of tubercle bacDli, (29) 381. 



hops, (29) 13. 



nitrification in soils, (31) 818. 



plant growth, (31) 623, 817; (34) 331, 726. 



plants, (27) 27. 



potato scab, (32) 750. 



rock phosphate, (40) 128. 



soil acidity, (31) 727. 



soil bacteria, (30) 532. 



soil fungi, (27) 728. 



sugar beets, (34) 38. 



wool production, (28) 872. 

 fertilizing action, (26) 819. 

 fertilizing value, (27) 128, 326, 422, 628, 629; (28) 

 726, 740, 815; (29) 25, 26, 215, 319, 521; (30) 138, 

 139, 435, 532, 627, 822, 834; (31) 31, 218, 220, 424, 

 442, 530, 623; (32) 724; (33) 841; (34) 540; (35) 

 529, 728; (38) 726; (39) 622, 749; (40) 128, 440. 

 finely ground, fungicidal value, (30) 840. 

 for grapes, (31) 442. 

 free, determination, (27) 206. 

 fumes, effect on plant growth, (33) 127. 

 fungicidal value, (33) 648. 

 fungicides, preparation and use, (35) 646; (36) 



16. 

 fungicides, source and use, (36) 455. 

 importance in animal nutrition, (31) 663. 

 in Iowa soils, (34) 27. 



metabolism of Aspergillus niger, (30) 727. 

 moor soils, destructive action, (36) 424. 

 plant nutrition, (31) 817. 

 soils and atmospheric precipitation, (30) 422. 

 soils, solubility, (.39) 821. 

 insecticidal value, (27) 755; (39) 762. 

 international movement, (34) 426. 

 isolation from soils, (28) 418. 

 judging, (31) 15. 



liberation from lime-sulphur, (31) 408. 

 linkages in proteins, (26) 306. 

 liver of, emulsion for, (37) 760. 

 liver of, purchase and use, (31) 846. 

 loss in drainage water, (35) 623. 

 loss in soils, (37) 119. 

 mechanism and fertDizing action, (27) 726. 

 metabolism in dogs, (38) 570. 

 metabolism of, (35) 863. 

 methods of analysis, (20) 315; (31) 806. 

 nutrition of plants, (40) 726. 

 oxidation by nitric acid, (27) 245. 

 oxidation in soils, (30) 222; (36) 821. 

 paste as spray for peaches, (36) 351. 

 paste, fungicidal value, (34) 146. 

 powdered, as fungicide, (38) 848. 

 powdered, for gooseberry mildew, (32) 645. 

 powders, testing, (26) 854. 

 production — 



and use in 1913, (32) 425. 



and use in 1913-1915, (35) 631. 



in 1915-16, (37) 524. 



Sulphur— Continued, 

 relation to — 



nitrogen in metabolism, (26) 765. 



soU fertility, (32) 724; (34) 27. 



soils and crops, (35) 220; (36) 396. 

 removal from soil, (39) 517. 

 requirement of crops, (26) 726. 

 requirement of red clover, (40) 727. 

 soluble and atomic, fungicidal value, (37) 448. 

 soluble, as summer spray for apples, (33) 46, 47. 

 spray injury, prevention, (34) 154. 

 sprays— 

 i fruit spotting from, (39) 856. 



materials used in, (35) 342. 



preparation and use, (40) 59. 

 sterilization of soils by, (32) 816. 

 thiosulphate, determination in lime-sulphur 



solutions, (36) 318. 

 transformation in soils, (33) 815. 

 trioxid of feeding stuffs, digestibility, (40) 770. 

 use against oak mildew, (31) 845. 

 use against potato scab, (29) 646; (30) 139; (32) 

 146; (33) 246; (36) 848; (39) 755. 

 Sulphured — 



food products, arsenic in, (39) 206. 

 gi-ain, detection, (28) 807. 

 Sulphuric acid- 

 assay, (28) 661. 



content of snow and rain, (40) 314. 

 creamery-waste, acid phosphate from, (40) 16. 

 destruction of stumps by, (28) 485; (31) 92. 

 destruction of weeds by, (31) 532; (36) 236. 

 detecting arsenic in, (39) 113. 

 determination, (26) 205; (32) 714. 

 determination in — 



foods, (29) 809. 



presence of alkali metals, (26) 109. 



presence of phosphates, (40) 13. 



soils, (27) 805. 

 displacement by water in leaves, (29) 219. 

 effect on — 



bread fermentation, (27) 268. 



germination of iespedeza seed, (35) 441. . 



germination of seeds, (27) 132, 524; (29) 628, 

 740. 



plants, (30) 130; (37) 224. 



rice production, (39) 537. 



soil organisms, (38) 420. 



sprouting of potatoes, (32) 829. 



wheat, (31) 34. 

 fertilizing value, (29) 25; (30) 441. 

 forcing plants with, (28) 837. 

 hydrometer readings, (27) 328. 

 industry, (36) 124. 

 industry — 



in Great Britain, (40) 816. 



in United States, (29) 517. 



notes, (31) 323; (39) 222, 522, 724. 

 larvicidal value, (37) 665. 

 manufacture. (34) 9; (38) 423; (40) 815. 

 manufacture in United States, (27) 22. 

 production and use in 1911, (29) 213. 

 solution, effect on potatoes, (27) 748. 

 titration, (36) 805. 

 use against weeds, (30) 441; (33) 139. 



in irrigation water, (29) 330. 



in soil disinfection, (33) 250. 



on alkali soils, (28) 814. 



on rice fields, (36) 332. 



volatility in vacuum drying, (30) 505. 



waste, utilization, (29) 418. 

 Sulphuric anhydrid, loss on incinerating organic 



substances, (33) 611. 

 Sulphuring — 



effect on hops, (33) 709. 

 machines, tests, (29) 347. 

 Sulphurous — 

 acid- 

 action on rock phosphate, (34) 220. 



as food preservative, (30) 364. 



effect on pollen, (27) 635. 



effect on white wines, (29) 264. 



fertilizing value, (29) 25. 



free, determination, (33) 611. 



in candies, (27) 868. 



in wine making, (28) 209; (32) 208; (34) 207; 

 (36) 801. 



physiological action, (2S) 269. 



preparation, (37) 205. 



titration, (32) 116. 



