INDEX. 



ACCUMULATION, 61, 109, 123, 124, 196 

 Achillea Millefolium, 138, 155, 169 

 Acreage of wheat (United Kingdom), 78, 83 



barley, 131 



Agricultural results of the grass experiments, 133 

 Agricultural Holdings Act, 52 

 Agrostis vulgaris, 137, 146, 152, 160, 161, 163, 166, 169, 170, 174, 



177, 180, 183, 191, 204, 220, 221 

 Aira caespitosa, 137, 220, 221 

 Alopecurus pratensis, 137, 163, 166, 169, 170, 174, 177, 183, 220, 



221 

 Ammonia, quantity required for given increase in wheat crop, 56 



in barley crop, 103 

 Ammonia-salts, 8, 15, 16, 41, 43, 45, 60, 72, 91, 98, 145, 146, 159, 



161, 164, 169, 172, 175, 178, 181, 189, 200, 204, 205, 219, 224 

 " Ammonia-salts " defined, 22, 139 

 Analytic method, 88 

 Annual grasses, 223 



Anthoxanthum odoratum, 137, 160, 174, 204, 220, 221 

 Anthriscus sylvestris, 169 

 Arrhenatherum avenaceum (see Avena elatior) 

 Ash constituents, 89, 111, 184 

 Autumn manuring, 97, 98, 188, 197 

 Avena, 220 



Avena elatior, 137, 166, 174, 177, 180 

 Avena flavescens, 137, 163, 170, 177, 183, 191, 221 

 Avena pubescens, 137, 163, 177, 180, 183, 191 



BARLEY, composition of, 142, 188 

 cultivation of, 120, 132 

 Barley crop, nitrogen recovered in, 197 

 Battle for life, 223 

 Bean crop, nitrogen in, 189 



