\ 
UNITED STATES DEPARTMENT OF AGRICUlFBfe 
DEPARTMENT BUUETIN No. 1334 
Washington, D.C. ▼ November, 1925 
TESTS OF BARLEY VARIETIES IN AMERICA 
HARRY V. HARLAN, Agronomist in Charge, MARY L. MARTINI, Assistant Botanist, and 
MERRITT N. POPE, Associate Agronomist, Barley Investigations, Office of Cereal Investigations 
Bureau of Plant Industry 
CONTENTS 
P«ge 
Scope of tlie Bulletin 1 
Barley Growing in America 2 
Preparation of Material 13 
Discussion of Station Yields 17 
RegionalAdaptation of Varieties 154 
Weil-Known or Promising Varieties 159 
Accession Data of Cereal Investigations Numbers 175 
Botanical Comparison of Prominent Varieties 205 
Best Varieties of the Period from 1917 to 1921, Inclusive 207 
Distribution of Varieties by Experiment Stations 212 
213 
WASHINGTON 
GOVERNMENT PRINTING OFRCE 
1925 
