72 



ANALYSES OF THK GRASSES. 



COMPOSITION OF THE PHOSPHATES. 



Phosphates - 



Phosphate of peroxide of iron 

 Lime - 

 Magnesia - 

 Phosphoric acid - 



3 385 



0-400 

 1-700 

 0-490 

 1-537 



The ash contained six per centum of organic matter, which is not noted in the work. 



From the foregoing analyses, there will be removed from the soil, in timothy hay, the 

 following amounts of the elements which the ash is found to have contained : 



Silica 

 Phosphates 

 Carbonate of lime 

 Magnesia - 

 Potash 

 Soda - 



Chloride of sodium 

 Soluble silica 

 Sulphuric acid 



In one ton. 



From an acre. 



26-292 lbs. 



65-730 lbs. 



10-155 



35-387 



0-120 



0-360 



0-300 



0-900 



18-456 



46-160 



0-612 



1-530 



1-492 



3-730 



0-120 



0-300 



2-476 



6- 190 



II. MIXED HAY. 



Fully ripe and bright : grown upon the clay loam of Albany county. 



ANALYSIS. 



Silica 53-950 



Phosphates 12-050 



Carbonate of lime 0-250 



Magnesia 0-045 



Potash 13-955 



Soda 5-635 



Sulphuric acid ...... 5-500 



Chlorine 1-315 



Soluble silica 0-400 



Organic matter ...... 5-350 



98-450 



The soil upon which this and several of the preceding substances grew, has been analyzed, 

 and found to be composed as follows : 



