PRACTICAL 



AGRICULTURAL 



CHEMISTRY 



BY S. J. M. ^ULD 



D.Sc. (LOND.), Ph.D. (WOrzburg), F.I.C, F.C.S. 



PB0FES30R OP AGRICULTURAL CHEMISTRY AT UNIVERSITY COLLEGE, READING 



LATE OF THE SOUTH • EASTERN AGRICULTOBAl. COLLEGE, AND OF THE 



IMPERIAL INSTITUTE 



AND D. R. EDWARDES-KER 



B.A. (OXON.), B.Sc. (LOND.) 



LECTURKR ON AGRICULTURAL CHEMISTRY, AND HEAD OF THE CHEMICAL 



DEPARTMENT, SOUTH-EASTERN AGRICULTURAL COLLEGE (UNIVERSITY 



OF LONDON), WYE, KENT 



^i^_n^^^^ 



• • • '• » 



LONDON 

 JOHN MURRAY, ALBEMARLE STREET, W. 



1913 



