THE PRINCIPLES 



OF 



SOIL MANAGEMENT 



BY 



T. LYTTLETON LYON, Ph.D. 



AND 



ELMER 0. FIPPIN, B.S.A. 



Professors of Soil Technology, in the New York State College 

 of Agriculture at Cornell University 



LIBRARY 



FACULTY OF FORESTRY 



SECOND EDITION 



UNIVERSITY OF TORONTO 



THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO.. Ltd. 



1910 



11 rights reserved . X 



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