HOW INSECTS AFFECT THE COTTON PLANT. 

 BEST MEASURES TO FOLLOW DURING THE SUMMER. 



27 



1. Continue cultivation until tlio crop is made, or as long as 

 possible. 



2. Watch for the first appearance of worms. 



3. Dust the cotton with powdered arsenate of lead as soon as grass- 

 hoppers or "worms" begin to 

 attack, unless "worm" attack 

 starts late and would hasten 

 ripening. 



4. Keep down the weeds. 



WHAT TO DO IN THE FALL. 



1. Pick the cotton out as 

 soon as possible. 



2. Destroy the plants by 

 plowing under or grazing as 

 long' before frost as possible. 



3. Where practicable plow 

 the fields and plant a cover 

 crop. 



4. Where feasible follow a 

 three-year rotation with cotton 

 following some crop other than 

 corn. 



PRACTICAL MEASURES FOR THE WINTER 



Fig. 36.— a "sharpshooter," Homalodisca triquetra: 

 Adult at left; last-stage nymph, or young, at right, 

 above; young nymph at right below. Greatly en- 

 larged. (Sanderson.) 



1. Clean up all turn rows and fence rows. 



2. Cut and burn all weeds. 



3. Plow under all stubble fields that are not to be used otherwise. 



4. Grub up old stumps. 



