4 8 



THE BOOK OF ENSILAGE. 



SULPHURIC ACID. 



"The role of sulphur in vegetation is nearly unknown : all that we 

 know is that it is absolutely necessary. It is generally found in less pro- 

 portion than phosphorus, in corn as 88 to 180. 



Table No. 10. 



CHLORINE. 



"By the conclusive experiments of Prince de Salon- Horstman we 

 know that chlorine is indispensable to the regular operations of the 

 different phases of vegetation ; but the most complete obscurity rests 

 upon its real action. 



Table No. n. 



POTASH. 



"Berthier's saying, 'No plant without potash,' has become a maxim. 



