180 



EXPERIMENTS UPON GRASS LAND 



50^- 



Plot 3 4-18 7 



S 17 4-2 9 II 14- 



Fig. oi3.— Percentage of IIulcus lanatus in the Herbage of the Grass Plots. 

 First Crop, Season 1903. 



Unmamired. 



Minerals only. 

 -1. Superphosphate. 

 8. No Potash, 

 7. Complete. 



Nitrogen only Nitrogen and Minerals. 



5. Amra. -salts. 4-2. No Potash \ /. 

 17. Nitrate Soda. 9. Complete 



j salts. 



14. Complete ; Nit. Soda. 



11. Excess N. 



