INDEX 



263 



Cyanides, 250 



in ammonium sulphate, 87 



in gas, 51 



in gas lime, 55 



in gas liquor, 85 



DAMP air and fertilizers, 196 



dissolved bone, 176 



fertilizers, 174 



superphosphates, 143, 155 



superphosphates, improvement 



of, 150 

 Davesi, 31 

 Davidson, 232 



Dearsenication of sulphuric acid, 86 

 De Beers, 65 

 Deep green colour of leaves, cause 



of, 9 



Defective superphosphates, 143 

 Deficiency of lime in soils, 212 

 Degreased bones, 74, 173 

 Dehydration, 4 

 Delayed ripening, 200, 217 

 Delattre, 31 

 De Luma, 33 

 Dens, mechanical, 152 



superphosphate, 141, 175, 177 

 Depillatorie?, 116 

 Depth of soil, 6 

 Deventer, 8 



Devonshire potato manure, 220 

 Diastase, 4 

 Di-calcium phosphate, 119, 142, 153, 



158 



Di-chlorethylene, use of, 108 

 Dicyanamide or Dicyanodiamide, 



106, 209, 214 

 Dietlas, 172 

 Dietrich, 31 

 Digging, benefits of, 2 

 Dingley, 65 



Dipping tanks, 243, 248 

 " Direct " sulphate of ammonia, 89 

 Discount in prices of manures, 195 

 Disinfectants, 239 

 Disinfection, 239 

 Disintegrators, 38, 116, 185 

 Di-calcium phosphate, 119, 175 

 Dissolved bones, 174 



leather, 117 

 Distribution of ammonia in coal 



products, 50 

 Dolomite, 63 

 Doors for dens, 141 

 Dorman, 125 

 Doryland, 82 

 Double salts, 163, 172 

 Drainage of peaty soils, 211 

 Drought, effect of, 213 



Dry fertilizers, 150, 175, 181 



soap, use of, 25 lj 



soils, 207 



superphosphates, 143, 150 



years at Rothamsted, 213 

 Drying dissolved bones, 175 



superphosphate, 147, 151, 152 



153, 159 

 Duchacek, 178 

 Duglere, 31 



Dunbar potato cultivation, 219 

 Durham lime, 45 

 Durion, 140 



Dust catching plant, 113 

 Dusting, 175 



superphosphates, 150 

 Dyer, 7, 8, 206, 214, 223, 258 



EARTHWORMS, activity of, 7 



East Lothian rotation, 205 



Economical use of fertilizers, 188 



Economy of labour, 152, 201 



Edge runner, 136 



Education on use of fertilizers, 

 result of, 234 



Efficiencies of extracting nitrate of 

 soda, 96 



Egg preservatives, 246, 248 



Egyptian manure, 1 

 phosphates, 38, 46, 182 



Electric arc nitric acid furnace, 97, 

 98, 224 



Electrical precipitating plant, 230 



Electric nitrates, 97 



Electro-magnetic separators, 73, 112 



Elements of plant food, 9 



Elevating barrows, 196 



Elevator, 149, 151, 179 



Ellis, 76 



Elschner, 37 



Emptying superphosphate dens, 149 



Emulsification, 74, 252 



Emulsions, 251 



Encyclopaedia Britannica, 257 



Engels, 82 



Engineering, chemical, 159 



English phosphates, 32 



Enzymes, 4, 8 



Equations for dissolving bones, 1 58 

 of the leaden chambers, 129 

 for superphosphate manufacture, 

 145 



Equilibrium law, 172 



Error in analysis, 192, 194 



Escombe, 8 



Evans, 59 



Evaporation of water from super- 

 phosphate, 144 



Ewan, 228 



