172 EXPERIMENTS UPON GRASS LAND 



26/- 



Fig. 32.— Percentage of Anthoxaiithum odoratiim in the Herbage of the Grass 

 Plots. First Crop, Season 1903. 



Unmanured. 



Minerals only. 

 4-1. Superphosphate. 

 8. No Nitrate. 

 7. Complete. 



Nitrogen only. 

 5. Amm. -salts. 

 17. Nitrate Soda. 



Nitrogen and Minerals. 

 Amm.- 



4-2. No Potash \ 



9. Complete \ ,. 

 11. Excess N. J ^*'^' 

 14. Complete; Nit. Soda 



