U. S. DEPARTMENT OF AGRICULTURE 



UFF1CI-: OF EXPERIMENT STATIONS 



A. C. TIUTK, DIRECTOR 



EXPERIMENT STATION 

 RECORD 



Voluriae XVIII, 1906-1907 



if»* 



WASHINCITON 



GOVEKNMKNT rUINTINCi OFTICE 

 190 7 



