INDEX 



331 



Poterium sanguisotba, 154, 160, 179. 

 Practical conclusions : 



Barley, 91. 



Grass land, 185. 



Mangolds, 119. 



Potatoes, 126. 



Rotation, 214. 



Sugar-beet, 132. 



Turnips, 122. 



Wheat, 68. 

 Protozoa in soil, 278. 

 Pugh, experiments on nitrogen fixa- 

 tion, 6. 



Q 



Quality of barley crops, 83, 88. 



Wheat crops, 55. 



Quotient of purity in mangolds and 

 sugar-beet, 115, 131. 



R 



Rainfall, effect of, upon barley, 87, 285. 

 Effect of, upon grass land, 185. 

 Effect of, upon wheat, 60, 285. 

 Proportion evaporated, 28. 

 Records, 15. 



Wet and dry year, 58, 85. 

 Rain gauges, 15. 



Ranunculus acris and bulbosus, 160, 179. 

 Rape cake, as manure for barley, 76. 

 Character as manure, 101. 

 Recovery of nitrogen of, 114. 

 Residue left by, 205. 

 Recovery of manure nitrogen, 112, 209. 

 Removal of manure constituents in crop, 



209. 

 Residues, left by ammonium-salts, 52, 



226. 



Left by farmyard manure, 78, 156. 

 Left by feeding roots on the land, 206, 



207. 



Left by leguminous crops, 143, 203. 

 Left by nitrogenous manures, 198, 



226. 



Left by rape cake, 76, 205. 

 Nitrogenous, effect of, on quality of 



barley, 89. 



Respiration, losses by, during malting, 

 262. 



Ripening, effect of phosphoric acid, 81. 



Of mangolds, 106, 112. 



Of sugar-beet, 129. 

 Root crops, fed on the land, 207. 



Grown continuously, 94. 

 Roots, habits of roots induced by manur- 

 ing, 82, 107, 120, 163, 196. 



Root to leaf, proportion of, 112, 119, 



129. 

 Rotation, barley grown in, 75, 88, 194. 



Beans or clover grown in, 194, 200. 



Experiments on crops grown in, 190. 



Removal of manure constituents by 

 crops grown in, 214. 



Wheat grown in, 65, 194. 

 Rumex acetosa, 158, 159, 181. 



Sainfoin, 141. 



Salt as manure for mangolds, 105. 



Saussure, De, 1. 



Schloesing and Miintz on nitrification, 



217. 



Sclerotinia trifoliorum, 148. 

 Season, effect of, upon Barley, 85. 



Effect of, upon grass crops, 183. 



Effect of, upon nitrification, 222, 

 231. 



Effect of, upon wheat, 56. 

 Sewage, experiments with, 260. 

 Sheep, breeds, comparative fattening 

 power, 258. 



Composition of, 250. 



Experiments upon, 242. 

 Sick soils, 282. 



Silicate of soda, manurial effect of, 162. 

 Soda salts as economisers of potash, 82, 



108, 158. 

 Soil air, 283. 

 Soil, analyses of Rothamsted, 26, 27. 



Description of Rothamsted, 24. 



Nitrifying organisms in, 221. 

 Starch, as food, 258. 



Change during malting, 263, 265. 



In potatoes, 125. 

 Stones in Rothamsted soil, 26. 

 Straw chaff on grass land, 165. 

 Straw to grain, ratio of, 55, 84, 87. 

 Sugar-beet, 95, 127. 



