POTASH PAYS 



15 



EXPERIMENT ON ORANGES 



The results of the following experiments made at four 

 different farms, near Porterville and Riverside, should be 

 carefully studied by the practical grower. These trials 

 show large increases produced by using potash fertilizers in 

 conjunction with nitrogen and phosphoric acid. 



Experiment by W. H. Grant, Porterville, Cal., Oranges 

 on black adobe over clay subsoil. 



Average increase from about $3.50 spent for Potash 

 4,112 pounds Oranges. See photo page 17. 



Experiment by H. C. Carr, Porterville, Cal., Navel 

 Oranges, on deep loam soil (clay subsoil). 



The increase from about $5.00 worth of Potash, was 

 108 boxes. See photo page 18, 



