




Without soda 
Without 
Without 
Complete 
fertilizer. 
or potash. 
1898-99: 
potash. 
soda. 
PLATE XXVITI.—BARLEY 
EXPERIMENTS, 
IN POTASH-SODA 
AT HARVEST. 
9 
= 
FIG. 
Fiag. 1, EARLY GROWTH; 
