348 



INDEX 



Strawberries, relative behaviour of 

 varieties of, 334. 



, runners of different ages, 336. 



Stringfellow, method of planting, 



34- 



Sulphides, 147, 148, 149. 

 Sulphur, 145, 149, 150. 

 Swingle, on copper fungicides, 186. 



Temperature, earth, 122. 



, , of grassed soil, 278. 



records, 117. 



Testing varieties, 336. 



Thawing after frost, 128. 



Theobald, on psylla, 222. 



, on fumigation for woolly 



aphis, 219. 



Thinning fruits, 140. 



Tobacco, 147, 150. 



, mixture, 223 



Toxic action, different in different 

 cases, 293. 



, of plants on each other, 293. 



of a plant on itself, 313. 



, recovery from, 297. 



Toxin, formed by growing plants, 

 301. 



, decomposition of, 310. 



Treacle, addition to Bordeaux 

 mixture, 182. 



Tree-growth, as affected by trench- 

 ing, 27. 



Trees, arrangement of, in a planta- 

 tion, 54. 



, effect of grass on, 259 



, effect of, on crops under 



them, 300. 



, orientation of rows of, 56. 



Trenching, 25. 



Trimming roots on planting, 33. 



Turpentine on gall mite, 214. 



U.S. Weather Bureau, on frost- 

 fighting, 128. 



Van Slyke, analyses of fruits, 104. 

 Varieties, wearing out of, 323. 

 Vigour of trees, measurement of, 20. 



Washes, alkaline, 164, 167. 

 Water, action of towards heat- 

 radiation. 126, 131. 

 , distribution of, between soil 



and sand, 53. 

 , in grassed and tilled soil, 



281. 

 , in soil, effect of surface crop 



on, 282. 

 Weeds, effect of, compared with 



that of grass, 274, 304. 

 Wells, on dew, 126, 129. 

 West, orchard heating, 126, 127, 



128, 130. 

 Wheat, toxic action of, compared 



with that of mustard, 320. 

 Winter washing, 14, 160, 205. 



, for caterpillars, 228. 



Woburn Experimental Fruit Farm, 



analysis of soil at, viii. 81. 

 . meteorological records at, 



116. 



, plan of the ground, 82. 



, origin of, v. 



, scope of, viii. 



, situation of, vii. 



Wollny, on soil-gases, 276. 

 Woods, on manuring, 92. 

 Woolly aphis, 219. 

 , treatment of, with hot water, 



220. 



