140 INDEX TO YEAEBOOKS, 1901-1905. 



Snow melting, effect of forest, with attending benefits, 1902, 629-630. 

 relation of tree planting to drifts, 1904, 267. 



to flood in rivers, 1901, 478. 

 surfaces, evaporation, rapidity and effect of wind, 1903, 282. 

 water equivalent, remarks, 1905, 237-238. 

 Snowfall in Lake region, remarks, 1902, 132. 



relation to river-stage forecasting, 1905, 237. '"" 



Snyder, Harry, and Charles D. Woods, article on "Wheat flour and bread," 1903, 



347-362. 

 Soap, use of agave for manufacture, note, 1902, 317. 

 residue from cotton-seed oil, 1901, 287. 

 whale-oil, use against San Jose scale, 1905, 338. 

 Societies, agricultural, lists, 1901, 620-641; 1902, 670-693; 1903, 519-526; 1904, 549-556; 



1905, 573-580. 

 Sod, use in growing roses, 1902, 554. 

 Soda, nitrate, value in increase of production of wheat, supply of nitrogen, 1902, 



334, 335. 

 Sodium chlorid in water, meaning, 1902, 283. 



nitrate and phosphate and suspended matter in irrigation waters, 1902, 289. 

 Soil and climate, relation to plant breeding, remarks, 1902, 381. 



climatic conditions, adaptation of tobacco, 1904, 437-439. 

 environment, effects in breeding beet seed, 1904, 347-348. 

 artificial inoculation with nitrogen-gathering bacteria, 1902, 339-341. 

 binders, remarks, 1902, 29; 1903, 38; 1904, 38. 

 central Guatemala, note, 1904, 481. 

 changes, effect on varieties of corn, 1902, 551. 



climatology, importance and relation to work of Division of Soils, 1901, 51. 

 conditions, effect on plant growth, discussion, 1901, 157. 



study, discussion, 1903, 441^44. 

 erosion. See Soil washing, 

 fertility, maintenance and restoration, 1905, 71. 



two essentials, 1902, 349. 

 filling with water by irrigation and consequent injury, 1902, 236. 

 foods necessary to plant growth, discussion, 1901, 160. 

 for'growing sisal, remarks, 1903, 395. 

 lettuce as special crop, 1902, 569. 

 peach orchard, preparation and character, 1902, 607. 

 roses, kinds for different varieties, etc., 1902, 554. 

 the home fruit garden, improvement, etc., remarks, 1901, 435. 

 violets, 1902, 560. 

 grape growing, location, etc., 1902, 409. 

 Guatemala, notes, 1904, 479, 481. 

 heavy, danger in use of chemical fertilizers, 1902, 558. 

 improvement, use of forage crops, note, 1902, 227. 

 in peach orchard, relation to use of fertilizers, remarks, 1902, 622, 623. 

 influence of chemical and of physical characteristics on crops, 1902, 69. 

 kind for vegetable growing, 1904, 166. 

 laboratories, work, 1903, 67-68. 

 management, discussion, 1901, 131. 



investigations, 1902, 67. 



some results of investigations, article by F. H. King, 1903, 159-17*4. 

 map of California, for sugar-beet areas, 1901, 300. 

 maps and reports, req^uirements of Soil Bureau, 1901, 123. 

 mechanical characteristics, study, 1903, 445. 

 model farm, improvement, 1903, 363. 

 moisture, conservation, note, 1902, 598. 



effect of cultivation and of cropping, 1902, 69. 

 importance and nature of study, 1901, 52. 



of retaining, in corn growing, discussion, 1903, 180-181. 

 requirement in dry climate, 1905, 428. 

 view in light of recent investigations, 1902, 68. 

 observations in potato growing at Greeley, Colo., 1904, 312. 

 Philippine Islands, remarks, 1901, 519. 



physics and soil chemistry, study and solution of problems, 1901, 58. 

 home study by farmer; necessity for teacher, 1903, 444, 445. 

 practical application to crop rotation, 1903, 449. 

 poor, possible usefulness in intensive farming, 1904, 172. 



