BY SIR A. D. HALL, M.A ., F.R.S. 



THE SOIL : An Introduction to the Scientific 

 Study of the Growth of Crops. Third 

 Edition. [Eighth Impression.] 



FERTILISERS AND MANURES. Eighth 

 Impression. 



THE FEEDING OF CROPS AND STOCK. 

 With Illustrations. Fourth Impression. 



A PILGRIMAGE OF BRITISH FARMING, 

 1910-1912. Second Impression. 



AGRICULTURE AFTER THE WAR. 

 Third Impression. 



THE BOOK OF THE ROTHAMSTED 

 EXPERIMENTS. Second Edition, 



Revised by E. J. Russell, D.Sc, F.R.S., 

 Director of the Rothamsted Experimental 

 Station. Issued with the authority of the 

 Lawes Agricultural Trust Committee. With 

 Illustrations. 



LONDON: JOHN MURRAY 



