MANUAL OF AGRICULTURE 



FOR SECONDARY SCHOOLS 



BY 



LELAND E. vCALL, M.S. 



ASSOCIATE PROFESSOR OF SOILS IN THE KANSAS 

 STATE AGRICULTURAL COLLEGE 



AND 



E. G. SCHAFER, M.S. 



INSTRUCTOR IN FARM CROPS IN THE KANSAS 

 STATE AGRICULTURAL COLLEGE 



fforfc 



THE MACMILLAN COMPANY 

 1912 



All rights reserved 



