DEPARTMENT Of AGRICULTURE, 



NEW SOUTH WALES. 



SCIENCE BULLETIN, & September, IS/3. 

 No. 9. 



THE RELATION OF FERTILISERS 

 TO SOIL FERTILITY. 



By 

 F. B. GUTHRIE. 



Workers in the respective branches of Economic Science covered 



by this series of Science Bulletins will receive such of them as may 



be of use in their special branches of study upon application to the 



Under Secretary, Department of Agriculture, Sydney. 



157441 SYDNEY; WILLIAM APPLCGATE GULLICK, GOVERNMENT PRINTER. 



