xii CONTENTS 



PAGE 



117; Depth of plowing, 118; Subsoiling, 119; Subse- 

 quent tillage, 120; Ridging versus level preparation, 

 121; Forming the ridges, 122. Planting: Time of 

 planting, 123; Advantage of planting heavy seed, 

 124; Quantity of seed, 125; Methods of planting, 126; 

 Cultivation: Objects of interculture, 127; Broadcast 

 tillage for cotton, 128; Tillage by separate rows, 129; 

 The first cultivation, 130; Chopping, 131; The second 

 cultivation, 132; Subsequent culture, 133; Frequency 

 of tillage, 134; The value of late tillage, 135; Distance 

 between rows, 136; Distance between plants in the 

 row, 137. 



CHAPTER X 



HARVESTING AND MARKETING COTTON . . , *,/ . 117-126 



Picking, 138; Cotton-picking machines, 139; Gin- 

 ning, 140; Types of 'cotton gins, 141; Baling, 142; 

 Care of baled cotton, 143; Compressing, 144. Selec- 

 tion and Classification of Commercial Grades of Cotton: 

 Important points in cotton valuing, 145; Grade, 146; 

 Relative values of different grades, 147; Staple, 148. 



CHAPTER XI 



SOME IMPORTANT INSECT ENEMIES OF COTTON . . 127-140 



The Mexican Cotton Boll-weevil: Life history and 

 habits, 149; Food of the weevil, 150; Rate of increase, 

 151; Dissemination, 152; Hibernation, 153; Drain- 

 age, 154; Means of control, 155; Destroy cotton 

 stalks early in fall, 156; Destroy weevils in hibernat- 

 ing places, 157; Make provision for an early crop, 

 ' 158; Proper spacing of plants, 159. The Cotton Boll- 

 worm: Description, 160; Life history, 161; Food 

 plants, 162; Damage, 163; Means of control, 164. 

 The Cotton Leaf -worm: Life history and habits, 165; 

 Damage, 166; Means of control, 167. Insects of 

 Secondary Importance: The cotton leaf-louse, 168; 

 The cotton red-spider, 169; The cowpea pod-weevil, 

 170. 



