344 



INDEX 



Burgundy mixture, scorching action 



of, 184. 

 Burrill, on green manuring, no. 



Calcium arsenate, 170. 



chloride, 168, 206. 



sulphide, 148. 

 , on gall mite, 214. 



California wash, 147. 

 Carbolic acid, 148. 



, on gall mite, 214. 

 Carbon dioxide, action of, on cop- 

 per compounds, 175. 



, in grassed soil, 276. 



Caterpillars, 13, 14. 



, insecticides used for, 225. 



ChalcididfS, on mussel scale, 196, 



201. 

 Church, on frost prevention, 124, 



129, 130. 



Clark, on copper fungicides, 186. 

 Clay, action of frost on, 327. 

 , effect of rainfall on, 326. 

 , flocculation of, 323, 326. 

 Collier, analyses of fruit trees, 104. 

 Colouring, effect of grass on, 272. 

 Copper, absorption of, by plant 



leaves, 188. 



, basic carbonates of, 183, 185. 

 , basic sulphates of, 173, 177. 



, , action of air on, 174. 



, , decomposition by iron, 



174. 

 , electronegative, action of, 



182, 194. 



, fungicidal and scorching ac- 

 tion of, 186, 192. 



fungicides, 172. 



, ammoniacal, 182. 

 , dried, 182. 

 , on potatoes, 241. 

 , minimum fungicidal dose of, 



189. 



, preservative action of, 192. 

 , retention of, by soil, 189. 

 , scorching action of, 190. 

 , scorching and fungicidal ac- 

 tion of, 1 86. 



, toxic action of, 189. 



Cousins, on big bud, 216. 



Crops, measurement of value of, 19. 



Currant gall mite, 212. 



, cutting down bushes for, 215. 



, fumigation for, 216. 



, rate of increase of, 214. 

 , treatment with hot water, 216. 

 Cutting back trees, 73. 

 , at different times, 75. 



Daubeny, on toxin formation, 303. 

 De Candolle, on toxin formation, 

 303. 



De-emulsification, 158. 

 Dew, formation of, 126. 

 Dickens, on pruning, 78. 

 Drainage and toxic action, 300, 



308. 



of air, 127 

 Drinkard, on pruning, 78. 

 Dyer and Shrivel, on manuring, 



97- 



Dyer, on the Rothamsted results, 

 103. 



Ebermayer, on forest tree require- 

 ments, 103. 

 Edlefsen, on frost fighting, 126, 128, 



130. 



Emulsifiers, solid, 158. 

 Emulsions, action of, on mussel 

 scale, 202. 

 caustic, 1 60. 



-, on mussel scale, 204. 



damage by, 155. 



introduction of, 152. 



nature of, 156. 



on caterpillars, 226. 



recipes for, 152, 160. 

 Eriophyes ribis, 212. 

 Eutypella pvunastri, 341. 

 Experimental plots, size of, 16, 17. 

 Exposure before planting, 49. 



Fibrous roots, removal of, on 

 planting, 35. 



Fletcher, on plants in masses, 320. 



Flocculation, 323. 



Flowering of apples, 141. 



Flowers of plants, 8. 



Food, available supply in soil, 103. 

 - Production Dep., on potato- 

 spraying, 241. 



supply, as influenced by grass, 

 287. 



Forest trees, effect of grass on, 268. 



, requirements of, 103. 



Formalin, for gall mite, 215. 



Frosts, injury by, 125. 



, prevention of, 128. 



, radiation, 124. 



, wind, 124. 



Fruit, development of, 8. 



Fruiting, effect of pruning on, 64. 



, dependent on antecedent 



factors, 136. 



, in consecutive seasons, 132. 



Fruits, affected by antiseptics, 162. 



Fumigation of plants, 150, 220. 



, for gall mite, 216. 



, for mussel scale, 206. 



, for woolly aphis, 219. 



Fungi, i, 12, 231. 



, excretions from, 187. 



Fungicides, 145, 149. 



