596 



Bulletin 84 



Fig. 32. — Winter rye, Prescott Dry-farm, June 24, 1915. 



planted in early fall at the rate of about thirty pounds of seed 

 per acre. 



Emmer: The first plots of emmer and speltz were planted in 

 1914, one being destroyed by rabbits, while the other, a plot of 

 speltz planted April 20, yielded eighty pounds of grain per acre. 

 Black Winter emmer planted in 1915 was destroyed by prairie dogs, 

 while Red Winter speltz C. I. No. 1772 yielded 342 pounds of grain 

 per acre. 



SORGHUMS 



While sorghums were introduced into the Southwest compara- 

 tively recently, they are already recognized by many as the surest 

 producers of both grain and forage in times of drought. In the 

 following discussion, sorghums will be divided into the two usual 

 classes according to their special adaptation ; forage sorghums and 

 grain sorghums. 



Forage Sorghums: Amber and Club-top sorghums were 

 grown in 1912, the former satisfactorily maturing, the latter failing 

 to ripen seed. 



In 1913 African sorghum and Sudan grass were added to the 



