1920] 



INDEX OF .SUBJECTS. 



927 



Apples — Continued. 



effect of handling on cold storaRo. 39. 



eflfect ot .self and crosa pollination on 

 yield, Me., 645. 



export trade in United States, 37. 



fertilizer e.xperinients, 833 ; Ohio, 340, 

 648; Oreg., 145. 



fruit setting as affected by fertilizers, 

 Oreg., 145. 



fruit spurs, yearly yield, 646. 



grafting experiments, ind., 338. 



In Great Britain, life histories, 744. 



keeping qualities, factors affecting, 238. 



Malinda, open-pollinated seedlings, 539. 



notching experiments, 743. 



odorous constituents, 711. 



physiology of, N. H., 28, 29. 



pollination experiment.^, 744 ; Me., 646. 



pruning experiments, 744 ; Ind., 338 ; 

 Ohio. 341. 



pruning in.structlons, Mo., 146. 



pruning time in Minnesota, G46. 



ringing experiments, 742. 



scion root production by, 540. 



size of fruit, factors affecting, 647. 



sprayed, arsenic content, 798. 



spraying, Ohio, 340. 



spraj-ing experiments, 358 ; Ind., .338 ; 

 N. Mex., 358 ; N. Y. Cornell, 455 ; 

 U.S.D.A., 843. 



spraying schedule, 743 ; N. J., 37. 



sterility in. Me., 645. 



storage tests. Wash., 744. 



sun drying, 808. 



thinning experiments, 646; Ohio, 341. 



use in bread making, 64. 



varieties for Canada and United States, 

 438. 



varieties for Ohio, Ohio, 744. 



varieties in England, 238. 



varieties unsuited to southern Indiana, 

 237. 



vitamin B in, 765. 



winter injury, U.S.D.A.. 435. 



winterkilling, Minn., 833. 



yield in relation to growth, 647. 

 Apricot — 



orchard survey, Colo., 144. 



shot hole, notes, 243. 

 Apricots — 



sun drying, 808. 



variety tests, U.S.D.A., 144. 

 Arccuthobium spp., biology and signifi- 

 cance, 821. 

 Archipn spp., notes, Mont., 758. 

 Ardi8ia crixpa, symbiosis studies, 133. 

 Areca — 



nuts, preparation for market, 745. 



palm, culture and uses, 745. 



palm mahali disease, notes, 445. 

 .Arglnin determination, 615. 

 Arithmetic, rural, problems, 495. 

 Arizona — 



Station, report, 798. 



University, notes, 398. 

 ArmiUaria tnrllca, notes, 155, 243. 

 Armillaria root rot on mushrooms, 347. 



Army — 



agricultural committee, Briti.-ih, report 



95. 

 rations, graphic method for balancing 



167. 

 worm, fall, on rice, control, U.S.D.A. 



253. 

 worm, notes, 52, 4.'50 ; Conn. State 



251 ; Ind., 352 ; N. C, 450. 

 worm, semitropical, biology and con 



trol, 557. 

 worm, western wheat-head, life his 



tory and control, 54. 

 worms of Minnesota, key, 55. 

 Arotes, notes, 858. 

 Arrow grass, poisonous to live stock, Nev., 



77, 27.3. 

 Arsenates — 



for holl weevil control, 162. 

 toxicity, Oreg., 755. 

 Arsenic — 



du.st, notes, 850. 

 sprays, effect on bees, Ind., 856. 

 white, use in Bordeaux mixture, 850. 

 Arsenicals, poisoning of bees by, Ind., 351. 

 (jS'ee also Calcium arsenate and Lead 

 arsenate.) 

 Arsenious acid, disinfecting power, 78. 

 Artemisia spinescens, poisonous to live 



stock, Nev., 273. 

 Arvicole in Itlay, biology of, 250. 

 Ascarids in man and hog, differentiation, 



380. 

 Ascaris — 



auoura, notes, U.S.D.A., 276. 

 lumbricoides in man and hog, 380. 

 lumbricmdeSji life history, U.S.D.A., 



275. 

 lumhricoideK , relation to pulmonary 



disease, 80. 

 suum or suilla, life history, U.S.D.A., 

 275. 

 Ascaris — 



eggs, resistance of, 80, 381. 

 larva;, migration of, U.S.D.A., 276. 

 Asclepia-s mexicana, poisonous to live stock, 



Nev., 273. 

 Ascochyta species on tomato, 346. 

 Ash— 



translocation In apple trees, N. H., 28. 

 wood, water conductivity, 31. 

 Ashes. (See Wood ashes.) 

 .\sparagus — 



culture. Wash., 397. 



edible portion and waste, analyses, 63. 



fertilizer experiments, Mass., 537 ; Md., 



144 ; I'a., 537. 

 resistance to alkali, Ariz., 724. 

 root rot, notes, 347. 

 rust, control, Mass.. 538. 

 rust, notes, 151. 

 variety tests. Pa., 537. 

 Afipergillus — 



fumaricu8, fermentation of sugar by, 



15. 

 niyer, autotoxicity in, 524. 

 niger, effects of acids on, 523. 



