DEPARTMENT OE AGRICULTURE, 



NEW SOUTH WALES. 



SCIENCE BULLETIN, & July 1913i 



No. 10. 



The Effect of Superphosphate 



on the Wheat Yield in 



New South Wales. 



By. 



WALTER L. WATERHOUSE, 



Fairer Research Scholar, I9I2. 



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. 



ftYONCY; WILLIAM APPLCOATC OULLICK, QOVCflNMCNT PRINTER." 1V13. 



