INDEX OF SUBJECTS. 



1001 



Sugar beets — Continued. Page. 



culture 298 



culture, Ohio 35 



culture experiments 333 



culture in Austria-Hungary 689 



culture under dry-land conditions, Utah. 429 



deterioration in quality 435 



fertilizer experiments 123, 



126, 133, 233, 328, 422, 733, 820, 821, 833 



fertilizer experiments, Ohio 430 



from same seed ball, characteristics 633 



insects affecting 58,232,649 



irrigation, Nebr 328 



irrigation experiments 732 



methods of analysis 806 



nitrogen content, fluctuation in 633 



pollination by thrips, U.S.D. A 549 



potash compounds in 325 



production in 1913, U.S.D. A 391 



radio-active fertilizer for 31, 129 



relation between weight and composition. 19 

 relation of foliage development to sugar 



content 233 



relation of tops to roots 733 



review of investigations 232 



second season, analyses 737 



seeding e.vperiments 334 



sulphur in 817 



varieties 133, 829 



varieties, Can 829 



Sugar cane — 



analyses 37, 336 



anatomical structure 834 



bacterial disease, description 745 



buying by test 233 



chlorosis, notes, P.R 644 



culture and implements in Hawaii 688 



culture experiments 226, 628, 733, 737, 829 



culture in Louisiana 137 



culture in southern Spain 737 



diseases, notes 452, 539,641, 746 



fertilizer experiments. . 133, 524, 628, 733, 737, 829 



fields, barren spots in 819 



growth on calcareous soils, P.R 627, 816 



insects affecting 452,548 



juices, clarification, La 117 



methods of analysis 806 



payment for 530 



production in Louisiana, U.S.D. A 391 



red rot, notes 841 



sampling, experimental error in 117 



seed, planting experiments 737 



seed, shipment of 530 



selection experiments 42 



thinning experiments 42, 530 



varieties 133, 336, 524, 628, 732, 733, 829 



water requirements 383 



Sulfoflcation in soils 318 



Sulla diseases, notes 841 



Sulphate of ammonia. (See Ammonium sul- 

 phate.) 



Sulphates, determination in water 502 



Sulphocyanid in ammonium sulphate 422 



Sulphur — 



and potassium hydroxid, reaction be- 

 tween 409 



Sulphur— Continued. Page. 



as a soil disinfectant 621 



atomic, analyses, N.J 142 



bacteria, purple, physiology of 32 



content of soils, U.S.D.A 720 



determination 109 



determination of fineness 15 



determination in plants 817 



determination in rice 110 



dioxid injurious to trees 146 



dusting V. spraying with 449 



effect on bacterial act ivity of soils 125 



effect on nitrification in soils 818 



effect on plant growth 623, 817 



effect on soil acidity 727 



fertilizing value 31, 218, 220, 424, 442, 530, 623 



for grapes 442 



importance in animal nutrition 663 



in milk 817 



in plant nutrition, Wis 817 



judging 15 



liberation from lime-sulphur, Oreg 408 



liver of, purchase and use 846 



methods of analysis 806 



mixture. (See Lime-sulphur mixture.) 



use against oak mildew 845 



Sulphuric acid- 

 destruction of stumps by 92 



destruction of weeds by 532 



effect on wheat 34 



industry, notes 323 



Sumac, poison, pollen of 280 



Sun-power plant in Egypt 688 



Sunflower seed — 



analyses 834 



cake, analyses 467 



meal, analyses 864 



Sunflowers — 



culture 834 



gi owth on calcareous soils, P.R 816 



insects affecting 548 



root systems 515 



varieties. Can 829 



Sun's rays, absorption and utilization of 



energy from, by animals 661 



Superphosphate — 



as a preservative for liquid manure 422 



drilling v. broadcasting 123 



effect on composition of prairie grass 864 



effect on decomposition of green manme. 722 



effect on germination of seeds 729 



effect on maturity of cotton, Miss 136 



effect on maturity of cotton, N.C 39 



effect on quality of sweet potatoes, Ga. . 437 



effect on the eye 29 



fertilizing value 139, 530, 738, 820, 829 



fertilizing value, Ala. College 40 



fertilizing value, Kans 37 



fertilizing value, N.C 630 



fertilizing value, Wis 823 



manufacture 725 



mixing with calcium cyanamid 822 



utilization by oats and lupines 733 



vinasseas a fertilizer 125 



Suprarenal bodies, cholesterol content during 



muscular work 465 



