U. S. DEPARTMENT OF AGRICULTURE. 
OFFICE OF EXPERIMENT STATIONS— BULLETIN NO. 132. 
A. C. TRUE, Director. 
INVESTIGAT1 
CALIFORNIA AGRICULTURAL EXPERIMENT STATION. 
1901-1902. 
By M. E. JAFFA, M. S., 
Assistant Professor of Agriculture, University of California. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1903. 
