Ws Trelease: Salt Requirements of Wheat Plants 563 
T3 
3 parts KCI 
S 
cP 
& 
@ 
§/\ 
T6 i 
6 parts KCI = ( Se 
ee an AN 
Wie 
1 part KH,PO, 
Fic. 6. Diagram for series II, showing relative dry weights of wheat roots. 
