SUBJECT INDEX 



67 



Baobab bark, fiber from (37) 534. 

 Barbarea barbarea, eradication, (37) 742. 

 Barberries, hybridization experiments, (30) 329. 

 Barberry- 

 Japanese, leaf hopper on, (33) 58. 

 pyralid, note.s, (26) 855. 

 relation to black stem rust of grains, (37) 552. 

 relation to grain rust, (26) 142; (30) 149. 

 Barbituric acid — 



as precipitant for furfural, (36) 318. 

 assimilation by plants, (26) 32. 

 Bareges water, sulphur in, (40) 779. 

 Baridius orchivora, notes, (40) 754. 

 Bans — 



lorala, notes, (27) 54. 

 portulacae n.sp., description, (35) 365. 

 spp., notes, (30) 3.57. 

 torquatus, notes, (36) 354. 

 traegardhi, notes, (27) 53. 

 Barlt, notes, (26) 361; (30) 230. 

 Barium — 



action on Spirogyra, (37) 130. 



arsenate, analyses, (26) 65. 



carbonate as cause of toxicity in flour, (33) 64. 



chlorid — 



absorption by Aragallus lamberti, (28) 527. 

 action on humus, (39) 514. 

 as coagulant for rubber latex,, (26) 141. 

 dosage, (26) 677. 

 detection, (28) 409. 

 detection in water, (34) 410. 

 effect on— 



guinea pigs, (26) 432. 

 nitrogen-fixing bacteria, (38) 428. 

 plant growth, (40) 819. 

 Spirogyra, (38) 27. 

 wheat, (40) 515. 

 hydrate, diffusion in soils, (29) 128. 

 hydroxid solutioiLS, handling, (36) 805. 

 in plants, (30) 502; (38) 409. 

 soils, (31) 720. 

 tobacco, (31) 715. 



tobacco and other plants, (36) 202. 

 weeds, (26) 432. 

 ions, effect on the heart, (27) 780- 

 oxid, fixation of nitrogen by, (29) 822. 

 phytate, composition, (31) 708. 

 polysulphid, fungicidal value, (33) 347. 

 removal from brines, (36) 809. 

 relation to loco-weed disease, (27) 580. 

 salts, effect on — 



activity of lipase, (31) 2G4. 

 nodule production in vetch, (32) 728. 

 separation from— 



calcium and magnesium, (26) 204. 

 calcium and strontium, (26) 204. 

 sulphate as soil disinfectant, (31) 621. 

 sulphur, insecticidal value, (34) 61. 

 sulphur preparation, tests, (33) 339, 340. 

 toxicity toward plants, (30) 128; (38) 628. 

 Bark- 

 beetle, European, notes, (28) 57. 

 beetles — 



identification, (29) 859. 

 injurioas to rubber, (27) 458. 

 injurious to tropical plants, (30) 660. 

 nematodes associated with, (33) 750. 

 notes, (32) 448, 552; (34) 857. 

 of Canada, (38) 163; (40) 552. 

 of Japan, (26) 560. 

 orchard, studies, (31) 852. 

 studies, (28) 561. 

 borers killing healthy fir trees, (37) 465. 

 ringing, effect on sap descent, (32) 523. 

 ringing, effect on trees, (38) 128. 

 structure, notes, (27) 347. 

 use for paper specialties, (36) 417. 

 Barley— 



acidity in, estimation, (40) 611. 

 amylase of, studies, (31) 609. 

 analyses, (26) 266, 363, 369, 770; (27) 170, 461,. 

 639; (28) 464; (29) 270, 367, 470; (30) 434; (31) 

 864; (34) 667; (36) 65. 

 and oats- 

 comparative growth in nutrient solutions, 



(40) 134. 

 comparative yields, (40) 135, 328. 

 and peas as hay crop, (39) 333. 

 and wheat, hybrid between, (34>339i 



Barley— Continued, 

 as affected by — 



aluminum, (40) 125. 



boron, (39) 429. 



cyanamid and dicyanodiamid, (40) 724. 



disinfectants, (26) 820. 



frost, (27) 560. 



greenhouse temperature, (37) 5.33. 



poisons, (39) 224. 



smelter wastes, (37) 526. 



soil disinfectants, (31) 621. 



soil volume and available plant food, (31) 



132. 

 water level, (26) 620. 

 as beriberi preventive, (28) 761. 

 green manure, (39) 31. 

 substitute for oats, (29) 36. 

 supplement for wheat in bread making, 

 (37) 263. 

 Asplund variety, (40) 626. 

 awned and awnless, transpiration, (29) 135. 

 bacteria affecting malting process, (27) 313. 

 bacterial blight- 

 dissemination, (37) 839. 

 notes, (35) 845. 

 studies, (38) 548. 

 bacterial disease, notes, (36) 845. 

 beardless, culture, (32) 598. 

 beer varieties, studies, (39) 232. 

 bleached with sulphur, notes, (27) 566. 

 blindness, notes, (36) 541. 

 blowings, analyses, (27) 774. 

 bran, analyses, (26) 266, 714, 770; (27) 570; (31) 



467; (36> 765; (38) 368. 

 bran, methods of analysis, ^29) 311. 

 bread, making, (36) 159. 

 breeding, (26) 434; (32) 38; (40) 523. 

 breeding — 



and improvement in Sweden, (39) 833. 

 experiments, (27) 734; (28) 828; (29) 138; 

 (30) 633; (33) .331, 4.32; (37) 33, 827; (39) 

 126; (40) 233, 524. 

 brewing, dissemination in Germany, (27) 639. 

 bushel weights, (37) 889. 

 by-products, analyses, (38) 67. 

 characteristics, (32) 38. 

 Chinese, varieties, (29) 530. 

 chop, analyses, (28) 464; (31) 863; (34) 169; (36) 



765; (39) 370; (40) .571. 

 classification, (27) 31 ; (38) 833. 

 cold resistance of, (30) 524. 

 coloring materials in, (.32) 39. 

 composition, (31) 431; (32) 760. 

 composition as affected by — 

 companion crop, (26) 617. 

 environment, (32) 431. 

 fertilization and soil preparation, (34) 230. 

 irrigation, (28) 332. 

 composition at different stages, (39) 836. 

 correlation in, (.30) 235, 830; (32) 433; (37) 141. 

 cost of production, (26) 94; (29; 690; (32) 530, 



594, 688; (33) 830; (35) 691. 

 cost of production in — 

 Austria, (28) 594. 

 Great Plains area, (33) ffll. 

 covered smut, description and treatment, (26) 



341. 

 critical period of growing season, (39) 811. 

 culture, (27) 337; (30) 434; (32) 132, 760; (34) 1»8, 



694; (38) 636; (39) 834. 

 culture— 



and use, (39) 533. 



continuous, (27) 831, 832; (29) 227; (30) 124; 



(35) 30; (37) 445; (39) 5.30, 635; (40) 824. 

 eiperiment?,. (26) 38, 329, 737; (27) 232, 233, 

 335,530, 638; (29) 138, 225, 426, 427, 630, 632, 

 735; (.30) 33, 133, 231; (31) 44; (32) 36. 132, 

 430, 431 , 526, 528; (33) 230, 323, 431, 633, 830; 

 (34) 137, 228; (35) 228; (36) 32, 33, 436, 830; 

 (37) 436, 438, 734, 823, 825; (38) 132, 133, 134, 

 334, 631, 632,. 634, 830; (39) 124, 125, 126, 128, 

 227, 437, 632; (40) 731, 734, 735. 

 experiments in Canada, (40) 228. 

 experiments in India, (40) 332, 523, 825. 

 experiments in Queensland, (40) 230. 

 experiments in Rhodesia, (40) 825. 

 for chicken feed, (38) 827. 

 for hay, (39) 125. 

 for winter forage, (38) 735. 

 in Argentina. (37) 823, 



