THE FEEDING OF 

 CROPS AND STOCK 



AN INTRODUCTION TO THE 



SCIENCE OF THE NUTRITION OF 



PLANTS AND ANIMALS 



BY A. D. HALL, M.A., F.E.S. 



DIBKCTOB OF THE BOTHAHSTED SXPERIUENTAL STATION 



roREION UBHB£R OF THE ROYAL ACADEMY OF AGHI- 



CULTURK OP SWEDEN 



WITH ILLUSTRATIONS AND DIAGRAMS 



LONDON 



JOHN MURRAY, ALBEMARLE STREET, W. 



1912 



