FARMING FOR PROFIT 



SOILS AND 

 SOIL CULTIVATION 



A NON-TECHNICAL MANUAL ON THE 

 MANAGEMENT OF SOIL FOR THE PRODUC- 

 TION AND MAINTENANCE OF FERTILITY 



BY 



FRANK D. GARDNER 



PROFESSOR OF AGRONOMY, PENNSYLVANIA STATE COLLEGE 

 AND EXPERIMENT STATION 



ASSISTED BY 



R. U. BLASINGAME 



Professor of Agricultural Engineering 

 Alabama Polytechnic Institute 



THE JOHN C. WINSTON COMPANY 



PHILADELPHIA CHICAGO 



