46 BULLETIN 700, TJ. S. DEPARTMENT OF AGRICULTURE. 



/e 



/7 



/& 



/S 



/.3 



/2 



/O 





404 



\ 



/a 



s 



S 



991 



\ 



JOO 



Brush 



Temperature above 4O* 



Wafer r?es]uir&menr without heads expre.sse.af 



in percent of wate.r requirement with heads 

 ^ Wheat w/th Heads \ Wat&r ^ perpJanr 



WheCLt without Heads j 



fio. 24. Water requirement of wheat based on weight of plant including heads, compared 

 & water requirement; based on. weight without heads. (Experimental Series No, 1.) 



