Manures Employed. 21 



p^oi; o. Superphosphate of lime alone, composed of GOOlb. bone ash 

 and 4501b. sulphuric acid, sp. gr. 1'7 (also for three preceding years). 



P.ot 1. Mixed alkalies, composed of GOOlb. sulphate of potash, 4001b. 

 sulphate of soda, and 2001b. sulphate of magnesia (also for three pre- 

 ceding years) ; reduced to 4001b., 2001b., and 2001b., respectively, in the 

 sixteenth and succeeding seasons. 



Plots 5 (a and &). Mixed mineral manure, composed of 3001b. sulphate 

 of potash, 2001b. sulphate of soda, lOOlb. sulphate of magnesia, and 3501b 

 superphosphate of lime (consisting of 2001b. bone ash and 1501b. sulphuric 

 .acid, sp. gr. 1*7). In the sixteenth and succeeding seasons, the sulphate 

 of potash was reduced to 2001b., and the sulphate of soda to lOOlb. 



Plot 21. Mixed mineral manure, as plots 5, and lOOlb. muriate of 

 ammonia. 



Plot 22. Mixed mineral manure, as plots 5, and lOOlb. sulphate of 

 ammonia. 



Plots 6 (a and b). Mixed mineral manure, as plots 5, and lOOlb. each 

 sulphate and muriate of ammonia. 



Plots 7 (a and 6). Mixed mineral manure, as plots 5, and 2001b. each 

 sulphate and muriate of ammonia. 



Plots 8 (a and b). Mixed mineral manure, as plots 5, and SOOlb. each 

 sulphate and muriate of ammonia. 



Plots 16 (a and b). Mixed mineral manure, as plots 5, and 4001b. each 

 sulphate and muriate of ammonia. 



Plots 1 7 (a and b). 2001b. each sulphate and muriate of ammonia in 

 the ninth and every alternate season; and mixed mineral manure, as 

 plot 5, in every intermediate season. 



Plots 18 (a and b). Mixed mineral manure, as plots 5, in the ninth and 

 every alternate season ; and 2001b. each sulphate and muriate of ammonia 

 in every intermediate season. 



Plots 10 (a and b). 2001b. each sulphate and muriate of ammonia. 



Plots 11 (a and b). 2001b. each sulphate and muriate of ammonia, and 

 superphosphate of lime as plots 5. 



Plots 12 (a and b). 2001b. each sulphate and muriate of ammonia, 

 superphosphate of lime as plots 5, and 5501b. sulphate of soda (reduced to 

 3661b. in the sixteenth and subsequent seasons). 



Plots 13 (a, and b). 2001b. each sulphate and muriate of ammonia, 

 superphosphate of lime as plots 5, and 3001b. sulphate of potash (reduced 

 to 2001b. in the sixteenth and subsequent seasons). 



Plots 14 (a and b). 2001b. each sulphate and muriate of ammonia, 

 superphosphate of lime as plots 5, and 4201b. sulphate of magnesia 

 -(reduced to 2801b. in the sixteenth and subsequent seasons). 



Plot 9a. 5501b. nitrate of soda and mixed mineral manure as plots 5 

 (only 4751b. nitrate in the ninth, and 2751b. in the tenth and eleventh 

 seasons, and no mineral manure in the ninth, tenth, and eleventh seasons, 

 commencing only in the twelfth). 



