~ Washington, D. C. | Vv : “April, 1927 
COTTON-SPACING EXPERIMENTS AT. 
GREENVILLE, TEXAS 
By 
HOMER C. McNAMARA, Assistant Agronomist 
Office of Cotton, Rubber, and Other Tropical Plants, Bureau of Plant industry 
CONTENTS 
Introduction 
Spacing Experiments in 1921 
Spacing Experiments in 1922 
Spacing Experiments in 1923 
Spacing Experiments in 1924 
Spacing Experiments in 1925 
Summary of Yields from Spacing Experiments 
Chopping and Its Relation to Yields 
Relation of Spacing to Flower Prodaction 
Relation cf Spacing to Boll and Lint Characters 
Relation of Spacing to Weevil Resistance 
Conclusions 
UNITED STATES 
GOVERNMENT “PRINTING OFFICE 
WASHINGTON 
1927 
