SUBJECT INDEX 



453 



Plow- 

 bottom, studies, (38) 791. 

 ditching, construction and cost, (.27) yo. 

 mold board, theory of, (32) 281. 



Plowing— . 



and diskmg experiments, (39) 336. 



animal v. mechanical power for, (29) 18o. 



by electricity in Italy, (31) 591. 



by steam in Bombay Presidency, (29) 592. 



competition in Kent, (32) 789. 



cost of, (32)688. . „„, o,o 



deep, in the Great Plains, (39) 812. 



deep, notes, (31) 131. 



deep V. ordinary, (34) 124. 



depths, comparison, (38) 229. 



depths, eflect on soil moisture, (40) 430. 



depths for wheat, (39) 840. 



depths, tests, (40) 32, 624. 



eflect on soU bacteria, (29) 221. 



eflect on soil moisture, (29) 211. 



exDerimen?s^t27) 638; (30) 190; (31) 785; (32) 

 'li^'^mU (36) 2^8. 3S9; (37) 227; (40) 773. 

 experiments in Australia, (28) 486, 685. 

 fall, (36) 195. 



mechanical, notes, (26) 893. 

 mechanical power f9r, (28) 892. 

 spring V. fall, for moisture conservation, (32) 525. 

 technical instruction in, (30) 299. 

 tractor and disking, (40) 733. 

 tractor, cost of, (39) 591. 

 tractors and cable systems for, (32) 48b. 

 windlass and cable system, (31) 487. 

 windlass and rope method, (39) »». 

 with power, (31) 187. 

 Plowrightia— 



morbosa— , , ^„,^ ,„„ 



as affected by cold, (34) 538. 

 notes, (26) 853; (30) 542, 651, 750; (38) 853, 



(40) 53. 

 studies, (32) 52. 

 ribesia, notes, (37) 251. 

 virgultorum, notes, (32) 646. 



and harrows, care and repair, (39) 292. 

 construction and operation, (29) 292. 

 development and utilization, (35) 391. 

 draft of, (28) 85, 199, 891; (32) 86, 687; (34) 125, 



(39) 88. 

 draft tests, (36) 389. 

 eflect of hitch on draft, (27) 689. 

 . electric, description, (27) 588. 

 engine, adjustment and operation, (35) 189. 

 engine gang, development, (27) 9U. 

 fortractoruse, (35)294, 391. 

 hitches for, (28) 891. 

 moldboard, draft of, (3o) 494. 



calculating work of, (31) 291. 

 dicription, (28) 84, 685; (_30) 590. 

 descriptions and tests, (2') 90- 

 hitches and adjustments, (38) »». 

 in Germany, (27) 689. 

 management, (35) 494. 



S#7?C90;'(29)'8M85; (30)388,789; (31) 

 487- (32) 188, 189, 281, 789; (33) 190, 589; 

 (34) 686 788, 891; (35) 87, 585, 688; (36) 189, 

 588, 589; (37) 591. 

 use in Uruguay, (29) 87 

 power, driving wheel for, (27) 48o. 

 power for, treatise, (26) 89. 

 specifications, (37) 886. 

 steam, dvnamometer lor, (3U) doa. 

 tests, (29) 390; (33) 291, 891 

 tractor-drawn, notes, (31) 188. 

 wooden v. iron for rice culture, (28) 5Ji. 

 Plowsole in citrus groves, (40) 417. 

 Plum— 



cat-tail as a summer host, (37) 461. 

 leaf curling, remedies, (33) 555. 

 mealy, in Egypt, (38) 158. 

 reddish-brown, notes, (37) 562. 

 southern, alternate hosts, (39) 464. 

 bacterial canker, notes, (30) 245, 537. 



black knot— ^ ^ ^ » ria\ aw 



description and treatment, (38) soa. 



Plum— Continued. 



black knot— continued, 

 notes, (37) 555; (40) 53. 

 notes and treatment, (29) 155. 

 studies, (32) 52. 

 black spot, notes, (40) 638. 

 blotch, notes, (39) 857. 

 borer, studies, (33) 454. 

 brown bark spot on, (39) 251. 

 brown rot, notes, (34) 241; (35) 351; (37) 457, 



(39) 452. 

 brown rot, studies, (31) 749. 

 buds, resistance to frost, (30) 839. . „ .„, 



butter, Servian, composition and character- 

 istics, (31) 06. . 

 Coccomyces disease, wild hosts, (39) 457. 

 curculio — 



notST6)'§vf9;(27)53,755;(28)752; 



reSS§6r86V(28)57;(30)355;(33) 



59; (37) 262. 

 studies, (27) 863. . 



die-back or winterkiUing, notes, (30) .537, (3/) 



246. 

 diseases— 



iSit^e^ni)^' ^4; (27) 349; (33) 349. 741; 



(36 751 (38) 50; (40) 749, 844 845. 

 studies, (28) 240; (30) 451; (33) 544. 

 fire blight, notes, (29) 848. 

 flowers, polymorphism in, (28) 540. 

 foliage, studies, (26) 407 

 fruit gumimng, notes, (40) 249, 251. 

 iam, Servian, analyses, (26) 261. 

 'juice, osmotic pressure, (28) 262 

 kernels, hydrocyanic acid content, (28) 477. 

 leaf gall, control, (40) 459 

 leaf gall mite, remedies, (39) 2o2 

 leaf miner. European, notes, (26) 558. 

 leaf miner, studies, (26) 557. 

 leaf spot or shot hole disease, notes, (32) 49. 

 leaf spot, studies, (36) 149; (37) '^5, (39) Sdd. 

 louse, mealy, remedies, (40) 161. 

 nematode root disease, notes, (28) 23a 

 oil, composition, (36) 803. 

 pocket, control, (39) 252. 

 pocket, studies, (40) 452 

 pocket! treatment, (36) 849; (40) 449. 

 rot, treatment, (27) 143. 

 rust, life history, (27) 48. 

 rust, notes, (39) 850. 

 scale, notes and remedies, (27) 455. 

 seed oil, composition, (37) 41U. 

 silver leaf, notes, (26) 449, /49; (29) 845, (•«) 



650; (36) 541; (40) 844. 

 silver leaf, studies, (34) 648. 

 slug caterpillar, notes, (36) bbi. 

 slug, studies, (26) 152 

 stigmonose, studies, (33) 349. 

 stones, histological characteristics, (27) 112. 

 stones hvdrocvanic acid content, (2^/1. 11- 

 tree trunks, introduction of solutions into, (3d) 



740. 

 twigs, composition, (26) 407 

 wilt, studies, (34) 747; (36) 51. 

 wine, preparation, (27) 412- 

 wither tip, studies, (40) 8o0. .^ 



yellow leaf, description and treatment, (30) sw- 

 yellow leaf, investigations, (33) 347. 

 Plumage patterns in fowls, (33) 7o. 

 Plumaria sp., notes, (28) /45. 

 Plumbago scandens, notes, (2J) mi- „ 



PlZber's blowlamp, use against weeds, (32) 133. 



'''TounfrVpractice in, treatise (33) 590. 

 fixtures, water testing for, (31) 190. 

 for country homes, (2/) 389, (30) bau, (..j^; <" 



for farm kitchens, (36) 390. 

 household, notes, (30) 893. 

 ^s^.Xm'rSenc"'ini Imall institutions. 



(31) 190. . ,„,, „o, 



systems, local vents in, (31) 893. 

 treatise, (35) 690. 

 Plume grass, analyses, (28) 463. 



^^"Sty, (32) 110; (37) 714. .^ 



adaptation and variety tests, (2»j a. 



