30 



BULLETIN 270, L T . S. DEPARTMENT OF AGBICULTURE. 



The average annual yield of the four 6-rowed barleys has been 

 greater in each of the seven years than the average annual yield of the 

 two 2-rowed varieties (Table XVI). The average yield for the entire 

 period is 37 and 31.6 bushels, respectively. Quite different results 



Fig. 11.— Heads of three varieties of barley grown at the Williston substation: 1, Manchuria; 2, Svanhals; 



3, Hannchen. 



were obtained at the Dickinson substation, where the 2-rowed vari- 

 eties considerably exceeded the 6-rowed in yield. 1 



SIX-ROWED VARIETIES. 



All the 6-rowed varieties listed in Table XVI are very similar in 

 appearance. They all belong to the Manchuria group, which is the 

 barley commonly grown in Wisconsin and Minnesota. 



The highest average yield for the 7-year period (1908 to 1914), 39.9 

 bushels, has been produced by the Williston No. 170 (G. I. No. 882), 



1 Clark, J. A. Cereal Experiments at Dickinson, N. Dak. U. S. Dept. Agr. Bui. No. 33, 1914, p. 31-36. 



