32 BULLETllSr 40^, Ij. S. DEPAETMEKT OF AGEICULTtJEE. 



FLAX. 



Flax has been sown in each of the eight years during which experi- 

 ments have been conducted at Akron. In the three years, 1911, 

 1914, and 1915, the crop failed. Russian (C. I. No. 19) has been 

 grown throughout the 8-year test. The highest yield recorded 

 was 13.1 bushels per acre, produced in 1912. Other varieties have 

 been grown for shorter periods, but none has proved superior to the 

 Russian. The 8-year average yield of this variety is 4.4 bushels 

 per acre. 



PROSO. 



Proso, commonly called hog millet or broom-corn millet, has not 

 been given a very thorough test. It has been grown in nursery rows 

 and small plats, but continuous field-plat tests have not been made. 

 Black Voronezh (C. I. No. 16) or selections from it has been grown 



Fig. 11. — Plat of Black Voronezh proso at the Akron Field Station, with the station buildings in the back- 

 ground, in 1915. (From a photograph lent by the OfBce of Exhibits, U. S. Department of Agriculture.) 



during five years. A plat of this variety in 1915 is sho\^Ti in figure 

 11. It was first sown in field plats in 1909, when it produced a yield 

 of 22.9 bushels per acre. It was again sown in field plats in 1912 

 and each of the three years following. The highest yield recorded 

 was 36 bushels in 1912. The 5-year average is 23.1 bushels. 

 Except possibly as a catch crop, proso can not be recommended for 

 this district. 



GRAIN SORGHUMS. 



Grain sorghums have been grown in field plats for five years. On 

 account of the short growing season and cool nights, most varieties 

 fan to mature. Manchu Brown kaoHang (C. I. No. 328) is the only 

 variety of apparent value in the Akron district. The highest yield 



