UNITED STATES DEPARTMENT OF AGRICULTURE 



DEPARTMENT BULLETIN No. 1320 



Washington, D. C. T April, 1925 



BEHAVIOR OF COTTON PLANTED AT DIFFERENT DATES IN WEEVIL- 

 CONTROL EXPERIMENTS IN TEXAS AND SOUTH CAROLINA 



W. W. BALLARD, Senior Scientific Aid, and D. M. SIMPSON, Assistant Agronomist 



Office of Crop Acclimatization and Adaptation Investigations 



Bureau of Plant Industry 



CONTENTS 



Page 



Introduction 1 



Soil, Climatic, and Weevil Conditions at San Antonio, Tex 2 



Comparison of Successive Adjacent Plantings at San Antonio 3 



Yields from Successive Plantings at San Antonio 19 



Percentage of 5 -Lock Bolls on Early and Late Plantings at San Antonio . 22 



A Separate Late Planting at San Antonio 23 



Yields from Cotton Experiments at San Antonio 28 



Soil, Climatic, and Weevil Conditions at Charleston, S. C 29 



Comparison of Successive Adjacent Plantings at Charleston , 30 



Yields from Successive Plantings at Charleston 38 



Adverse Conditions at Gainesville, Fla 41 



Summary , , 41 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1925 



