CONTENTS. 



PAGE 



Description of the experiment, ......... 231 



Summary, ........... 246 



Comments and conclusions, ......... 247 



Plant food taken from the land annually, ...... 248 



The amounts of fertilizer used by good growers, ..... 249 



Plan of the hom? fertilizer experiment, ...... 250 



The Concord Investigations, ........ 250 



Breeding investigations, ........ 251 



Fertilizer investigations, . . . . . . . .251 



The humus content of the soil in asparagus growing, .... 252 



The relation of variations in fertilizer application to rust, . . . 254 



Conclusions, ........... 255 



Bibliography, ........... 257 



