OTHER WORKS BY 

 A. D. HALL, F.R.S. 



THE SOIL. 



An Introduction to the Scientific Study 

 of the Growth of Crops. 5s.net. 



FERTILIZERS AND MANURES. 



53. net. 



THE FEEDING OF CROPS AND 

 STOCK. 



An Introduction to the Science of the 

 Nutrition of Plants and Animals. With 

 Illustrations and Diagrams. 5s. net. 



A PILGRIMAGE OF BRITISH 

 FARMING, 1910-12. 5s.net. 



THE BOOK OF THE ROTHAM- 

 STED EXPERIMENTS. 



Issued with the Authority of the Lawes 

 Agricultural Trust Committee. With 

 Illustrations. los. 6d. net. 



