INDEX 



Absorption of food constituents, 



332 

 in soil, 173 



chemical, 174 



physical, 176 

 Achroodextrin, 66 

 Acid humus, 148 

 phosphate, 225 



availability, 226 



effect of, on soil, 226 



with farm manure, 266 

 Acidity of soil, 241 



artificial, 242 



natural, 242 

 Active organic matter, 141, 149 

 Adipose tissue, 311 

 Adsorption, 176 

 Air, composition of, 133 



inspired and expired, 316 

 properties of, 132 

 Air-slaked lime as fertilizer, 249 

 Albite, 171 

 Alkali soils, 192 



reclamation of, 194 

 Alkaloids, 96 



Allyl cyanide in oil of mustard, 83 

 isothiocyanate in oil of mustard, 



83 

 Allyl-propyl-disulphide, 83 

 Aluminium minerals in the soil, 



171 

 Alunite, 236 

 Amber, 88 

 Amendments, 200 

 American cheese, 348 

 Amides in plants, 93 

 Amino-acetic acid, 93 

 Amino-acids in plants, 93 

 Amino-succinamide, 93 

 Ammonia, formation of, in soil, 151 



23 



Ammonia, loss of, from farm 

 manure, 261 



in plants, 93 

 Ammoniacal copper carbonate, 291 

 Ammonincation, 151 

 Ammonium sulphate, 211 

 availability of, 213 

 cause of soil acidity of, 242 

 effect of, on soil, 213 

 Amylases, 22 

 Amylodextrin, 66 

 Amyloid, 71 

 Amylopsin, 331 

 Analyses of crops, 111 



how expressed, 273 

 Anhydrite, 169 

 Animal, composition of, 307, 309 



compounds, 319 



starch, 319 

 Anorthite, 170 

 Antimony rubber, 92 

 Apatite, 164 

 Araban, 71 

 Arabinose, 71 

 Argenine, 94 

 Argon in air, 135 

 Arid soils, 187 

 Arsenous oxide, use in making 



Paris green, 285 

 Arteries, 313 

 Asafetida, 89 

 Ash in plants, 109 

 Asparagine, 94 

 Atropine, 97 

 Attar of roses, 84 

 Available plant food, 26 



B 



Bacteria in air, 136 

 in farm manure, 261 

 in intestines, 332 



