152 INDEX TO YEABBOOKS, 1901-1905, 



Tobacco, adaptation to soil and climatic conditions, 1904, 437-439. 



and sulphur sheep dip tor scab disease, approval, 1903, 500. 



Argentine, 1904, 284-285. 



auction of Sumatra leaf in Connecticut, remarks, 1902, 70-71. 



breeding investigations, remarks, 1904, 46. 



change of type by change of soil, example, 1904, 438-439. 



Connecticut, heed of vetch for soil improvement, 1905, 295. 



Sumatra record and progeny notes, 1904, 450, 451. 

 crop and weather, notes, 1902, 703, 705; 1903, 529-542; 1904, 563, 570, 571, 

 573; 1905, 586,598. 

 rotations in several States, 1902, 524. 

 value, 1905, 11. 

 crossing, effects, 1905, 386. 

 Cuban and other, soil survey in Texas, California, and other States, 1901, 125. 



See also Cuban tobacco, 

 cultivation, Virginia, opportunities for improvement, 1905, 227. 

 culture improvements, curing, etc., 1905, 416-417. 

 cur^d, damage by insects, 1904, 473^74. 

 curing, relation of weather, 1905, 229. 

 Virginia, discussion, 1905, 228. 

 dark fire-cured, of Virginia, possibilities for improvement, article by 



George T. McNess and E. H. Mathewson, 1905, 219-230. 

 disease, new, remarks, 1904, 37. 



diseases, 1901, 671; 1902, 718; 1903, 554; 1904, 585; 1905, 608. 

 disease-resistant strains, 1904, 450-451. 

 dust, use against peach aphis, 1905, 344. 

 effect of common salt on soil, 1901, 165. 



lack of phosphoric acid, note, 1901, 166. 

 experiments in Hawaii, 1903, 90, 699. 

 experts, conference, 1902, 75. 



offers of liberal pay, 1901, 114. 

 exports, 1901, 805; 1902, 869; 1903, 699; 1904, 740; 1905, 781. 



remarks, 1903, 482, 485. 

 farms, increase in value, 1905, 20. 

 fertilization, note, 1905, 385. 



remarks, 1905, 382. 

 filler, districts, investigations, 1902, 75. 

 flowers, selection for seed production, 1904, 448. 

 growers, proposed soil survey in Florida, 1902, 53. 



soil survey in Pennsylvania, 1902, 62. 

 growing, conditions, 1904, 436-437. 



in Hawaiian Islands, 1901, 511, 514. 

 imports, 1901, 798; 1902, 861; 1903, 689; 1904, 730; 1905, 771. 

 improvement by breeding and selection, article by Archibald D. Shamel, 

 1904, 435^52. 

 crossing varieties, 1904, 452. 

 seed plant selection, 1905, 296. 

 methods of selection, 1904, 447-448. 

 improvements, some possible, 1904, 442-447. 

 in New York, soil survey, results, 1902, 74. 

 inbreeding, beneficial effect, 1905, 386-388. 

 insect damage, note, 1904, 469. 

 investigations. Soils Bureau, remarks by Secretary, 1901, 40, 41, 47, 53, 56; 



1902, 70-77; 1903, 65-67; 1904, 75-78; 1905, 64, 65, 73-74. 

 leaf, importance of size, 1904, 445-446. 

 leaves, variations in number, shape, and size, 1904, 443-445. 

 manufacturers, influence of requirements, 1904, 446. 

 marketing, 1905, 230. 

 mosaic disease, notes, 1901, 171, 176. 



plant, fertilization, importance in seed selection, 1904, 447-448. 

 planting, etc., 1903, 1903, 529, 530, 533, 534, 536, 537, 538, 541. 

 plants, selection in seed bed, 1904, 442. 

 Porto Rico crop, 1901, 506. 

 notes, 1904, 103. 

 production and sale under government monopoly in the Philippines, 1901, 



521. 

 regions, soil survey, discussion, 1901, 124. 

 relation of potash to burning quality, 1901, 164 



