AVERAGE OF FOUR YEARS' CROPS, 



1896-1899. 



EACH ROW OF POCKETS SHEWS THE AVERAGE ANNUAL PRODUCE 



OF ONE ACRE. 



Plot 



Phosphates and Potash. 

 A No Nitrate. 



Produce : 12 cwt. 



B 



Phosphates, Potash and 

 2 cwt. Nitr. of Soda. 



Produce : 14 cwt. 



c 



Phosphates, Potash and 

 4 cwt. Nitr. of Soda. 



Produce : 16 cwt. 



Phosphates, Potash and 

 6 cwt. Nitr. of Soda. 



Produce : 16 cwt. 



Phosphates, Potash and 

 8 cwt. Nitr. <jt Soda. 



Produce: 16f cwt. 



15 tons Dung per acre. 

 Produce: 13| cwt. 



