INDEX OF SUBJECTS 
51 
•Soil surveys — Continued. 
Iowa — 
JBoone Co., Iowa Soil Rpt. 34. 
Dickinson Co., Iowa Soil Rpt. 37. 
Dubuque Co., Iowa Soil Rpt. 35. 
Emmet Co., Iowa Soil Rpt. 36. 
Fayette Co., Iowa Soil Rpt. 30. 
Johnson Co., Iowa Soil Rpt. 32. 
Mahaska Co., Iowa Soil Rpt. 29. 
Mills Co., Iowa Soil Rpt. 33. 
Wright Co., Iowa Soil Rpt. 31. 
Montana, Sheridan Co., Mont. Bui. 158. 
"Tennessee, Rutherford Co., Tenn. Bui. 
130. 
Texas, Brazos, Camp, Ellis, and Wash- 
ington Counties, Tex. Bui. 316. 
Soils — 
acid, effect of aluminum, R. I. Bui. 
194. 
alkali. (See Alkali soils.) 
•calcareous and non-calcareous, phos- 
phorus in, Ohio Bui. 380. 
chemical analyses, Mont. Bui. 159 ; 
N. J. Bui. 406 ; W. Va. Bui. 184. 
•color, relation to organic matter, Iowa 
Res. Bui. 75. 
:muck, crops, Mich. Spec. Bui. 136. 
.muck, nitrification and acidity, N. C. 
Tech. Bui. 24. 
potash, effect of cropping, Tex. Bui. 
325. 
sandy, southern Michigan, Mich. Spec. 
Bui. 128. 
Sassafras silt loam, Del. Bui. 137, 138. 
sodium carbonate in, Calif. Tech. 
Paper 1, 3. 
•Solutes, effects on soil and plant, Calif. 
Tech. Paper 13. 
Sonchus arvensis, N. Dak. Bui. 181. 
-Sorghums — 
culture in Arizona, Ariz. Bui. 98. 
grain vs. corn for lambs, Tex. Bui. 306. 
water requirement, Kans. Tech. Bui. 12. 
South Mississippi , branch experiment sta- 
tion, report 1922-1924, Miss. Bui. 225. 
Sows, brood, feeding, Mont. Bui. 165. 
Soybean bay vs. alfalfa hay for milk, W. 
Va. Bui. 18L 
Soybean oilmeal, in dairy rations, Ind. Bui. 
289. 
Soybeans — 
culture, Pa. Bui. 187 ; Va. Bui. 235. 
ground, in dairy ration, Ind. Bui. 289. 
insects, Ohio Bui. 366. 
with corn, Mo. Bui. 220. 
Spinach growing, N. J. Bui. 385. 
Spraying and dusting — 
apples, Ind. Bui. 283; Md. Bui. 262. 
cantaloupe, Md. Bui. 263. 
celery, N. Y. Cornell Bui. 429. 
fruit trees, Mo. Bui. 216. 
materials, preparation, Oreg. Bui. 201. 
plants, stationary, Wash. Pop. Bui. 
125. 
potatoes, Mo. Bui. 198 ; N. J. Bui. 
383; N. Y. State Bui. 518. 
Spraying and dusting — Continued, 
truck crops. Md. Bui. 261. 
(See also specific diseases, insects, and 
crops.) 
Spraying calendar, Conn. State Bui. 244. 
Spraying vs. dusting, Conn. State Bui. 
245; N. Y. State Bui. 518. 
Sprays — 
for insect control, Wis. Bui. 366. 
lead arsenate and lime sulfur, N. Y. 
State Bui. 521. 
oil, preparation and use, Wash. Bui. 
184. 
Squash lady-bird beetle, Va. Bui. 232. 
Squash vine borer, Mass. Bui. 218. 
Standard of living on diversified farms, 
N. Y. Cornell Bui. 423. 
Starch, Hawaii tree fern, Hawaii Bui. 53. 
Starters, volatile acid production, Iowa Res. 
Bui. 80. 
Statistical study of plat yields, N. Y 
State Tech. Bui. 94. 
Steers — 
age, influence on fattening, Tex. Bui. 
309. 
feed levels, physiological effects, N. H. 
Tech. Bui. 26. 
feeding — 
corn, Mo. Bui. 218. 
cottonseed meal and cottonseed 
hulls, Tex. Bui. 309. 
experiments, Miss. Bui. 214, 222 ; 
Pa. Bui. 183. 
molasses, Mo. Bui. 223. 
silage, Miss. Bui. 222. 
winter, Ind. Bui. 281 ; W. Va. Bui. 
191. 
growth curves, Mo. Res. Bui. 62. 
range, utilization of feed, N. Mex. Bui. 
140. 
Stem rust of wheat, effects of environ- 
ment, Nebr. Res. Bui. 25. 
Stocks, double blooms, Md. Bui. 259. 
Stone removal from land, Minn. Bui. 208. 
Strawberries — 
breeding, Vt. Bui. 232. 
culture, Ohio Bui. 364; Wis. Bui. 360. 
hybrids, Nebr. Bui. 189. 
improved hardy, Alaska Bui. 4. 
insect pests, Mo. Bui. 215. 
marketing, Kentucky, Ky. Bui. 246. 
nutrition studies, Mo. Res. Bui. 57. 
profits from, Ky. Bui. 255. 
sterility, Vt. Bui. 232. 
varieties, Ohio Bui. 364. 
Strawberry crown borer, Tenn. Bui. 128. 
Strawberry false wire worm, Ark. Bui. 185. 
Strawberry industry, Ky. Bui. 255. 
Strawberry tiger moth, Ark. Bui. 183. 
Strawberry weevil, Ark. Bui. 185. 
Streptococcus lactis, Iowa Res. Bui. 80. 
Streptococcus lactis, cultures, ropiness in, 
Iowa Res. Bui. 74. 
Streptococcus paracitrovorus, studies, Iowa 
Res. Bui. 81. 
Stump removal, Minn. Bui. 208. 
