XI0.I^3'3 
PORTO RICO AGRICULTURAL EXPERIMENT STATION 
MAYAGUEZ, PORTO RICO 
Under the supervision of the 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 32 
EFFECT OF TOPPING ON YIELD 
OF COFFEE IN PORTO RICO 
BY 
T. B. McCLELLAND, Horticulturist 
Issued June, 1928 
°£pos 
ITo 
UNITED STATES 
GOVERNMENT PRINTING OFFICE 
WASHINGTON 
1928 
