Index 



365 



Tennessee phosphate, 71. 



Tetracalcic phosphoric acid, 83. 



Thomas phosphate powder, 72. 



Timothy, 226; fertilizer constit- 

 uents in, 16. 



Tobacco, 338; influence of fer- 

 tilizer upon quality, 339 ; Con- 

 necticut experiments, 339 ; mu- 

 riate of potash, 95. 



Tobacco stems, 103 ; salts, 104. 



Tomatoes: field truck, 248; mar- 

 ket garden, 298. 



Ton basis of purchase of fertilizer, 

 157. 



Trade values of fertilizers, 179; 

 how obtained, 181 ; schedule of, 

 182. 



Tricalcic phosphoric acid, 82. 



Truck crops, see Field truck crops, 

 237. 



Tuber crops, 282, 289. 



Turnips : for forage, 281 ; for 

 market garden, 289. 



Uniformity of manufactured 

 brands, 189. 



Unit basis of purchase of fertilizers, 

 157. 



Use of fertilizers : conditions which 

 modify usefulness of fertilizers, 

 191 : derivation of soil, 192 ; 

 physical imperfections of soil, 

 194; previous treatment of soil, 

 195 ; character of crop, 197 ; 

 kind of farming, 199. 



Variations of plants, 199 ; cere- 

 als, 200 ; grasses and clovers, 200 ; 

 root crops, 202 ; market garden, 

 202 ; fruit crops, 203. 



Systems suggested based on : 



1. influence of single element, 

 204; 2. abundant supply of 

 minerals, 205 ; 3. needs of plant 

 as determined by chemical analy- 

 sis, 207 ; 4. stimulation of the 

 "money crop" in the rotation, 

 209. 



Irrational system, 210. 



Value of a fertilizer, 178, 189. 



Variable materials, 155. 



Vegetable matter in fertilizers, 

 effect upon physical character of 

 the soil, 21. 



Vegetable nitrogenous products, 

 43 ; pomaces, 44. 



Vegetables (see Market garden 

 crops), 202, 283; fertilizer con- 

 stituents in, 16. 



Vetch : spring, 272 ; hairy or 

 winter, 272. 



Ville George: his system of fer- 

 tilizing, 204. 



Wages, in regard to fertilizers, 29, 

 205. 



Wagner system, 205. 



Waste: calcium carbide, 117; wool 

 and hair, 43, 106; powder, 116. 



Water, its influence upon soil fer- 

 tility, 3. 



Watermelons, 299. 



Wheat: fertility content of, 14; 

 fertilization, 224; for green 

 forage, 263. 



Wiborgh phosphate, 74. 



Winter vetch, 272. 



Wolter phosphate, 74. 



Wood ashes, 111. 



Wool waste, 43, 106. 



Printed in the United States of America. 



