10 BULLETIN 1405, U. S. DEPARTMENT OF AGRICULTURE 



Height Growth (inches) ^ 

 Letter/nan need/e gross\ 



Violet wheat grass 

 Mountain brome 

 Wild geranium 

 Mountain dandelion 



Series I Plots harvested June I and June 20 



I ' ■ * ; 5 — ■ — ' — ' — ^~ 



Series IF 



Plots harvested June JO ond June 30 



Letter man needJe grass \ 

 Violet wheat grass { 



Mountain brome 



Wild geranium < 



Mountain dandelion { 



Series IK 



Lejferman need/e grass k 

 Violet wheat grass 

 Mountain brome 

 Wild geranium 

 Mountain dandelion 



Averases 



Plots harvested June 20 and July 10 



Series I 

 Series H 

 Series M 



Legend 



■ Treated plots 

 U Plots not treated 



FIG. 4. — The effect of early harvesting on height growth 



