Bui. 1018, U. S. Dept. of Agriculture. 



Plate I. 



Fig. I. — Plat I on August 10. Irrigated on June 10, June 26, and 



July 28. 



Fig. 2. — Plat 2 on August 10. Irrigated on June 10 and July 28. 





Fig. 3. — Plat 3 on August 10. Lightly Irrigated on June 26. 

 Notice the Contrast in the Size of Leaves on Plats I and 3. 



PLATS OF COTTON IRRIGATED ONCE, TWICE, AND THREE TIMES. 



