Productive Farming 



BY 



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



PROFESSOR OF AGRONOMT AND PRINCIPAL OF THE SHORT COURSES, NEW JERSEY 

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

 VERSITY OF VIRGINIA SUMMER SCHOOL; FORMERLY PROFESSOR OF 

 HORTICULTURE, WEST VIRGINIA UNIVERSITY; PRINCIPAL DUNN 

 COUNTY (wis.) SCHOOL OF AGRICULTURE; DEAN STATE 

 SCHOOL OF AGRICULTURE, CANTON, N. Y. ; 

 CONDUCTOR MANY SUMMER TRAIN- 

 ING schools; instructor in 

 farmers' institutes. 



SECOND EDITION 



PHIIADELPHIA AND LONDON 



J. B. LIPPINCOTT COMPANY 



