PRODUCTIVE FARMING 



BY 



KARY CADMUS DAVIS, Pn.D. (Cornell Univ.) 



PROFESSOR OF AGRICULTURE. KNAP? SCHOOL OF COUNTRY LIFE, GEORGE PEABOD1 

 COLLEGE FOR TEACHERS; FORMERLY PROFESSOR Of AGRONOMY, NEW JERSEY 

 COLLEGE OF AGRICULTURE (RUTGERS) ; INSTRUCTOR IN AGRICULTURE, UNI- 

 VERSITY OF VIRGINIA SUMMER SCHOOL; PROFESSOR OF HORTICULTURE, 



WEST VIRGINIA UNIVERSITY; PRINCIPAL, DUNN COUNTY (WIS.) 

 SCHOOL OF AGRICULTURE; DEAN, STATE SCHOOL OF VGRICUL- 



. TURE, CANTON N. Y . ; CONDUCTOR MANY SUMMER TRAINING 



SCHOOLS; INSTRUCTOR IN FARMERS' INSTITUTES 



FIFTH EDITION. REVISED AND ENLARGED 



PHILADELPHIA AND LONDON 



J. B. LIPPINCOTT COMPANY 



