32 



obtained upon the farm, we give below some tables indicating 

 their analyses. 



The following table shows the per centage of the substances 

 named, contained in the different varieties of leaves in their dry 

 state : 



Phosphoric Acid. 



Mulberry Leaves.. ..0.36 per cent. 

 ...061 



Horse-chestn't 



Walnut 



Beech 



Oak 



Fir ' 



Red Pine 



; 0.28 



: ....0.28 



: 0.40 



; 0.23 



[ 0.48 



0.09 



0.88 



The following table shows the amount of phosphoric acid and 

 potash cotained in one hundred pounds of the different varieties 

 of ashes named, together with their values: 



Phosphoric Value of 



Acid. Potash. 100 Ibs. 



Beech 5.3 Ibs. 16.1 Ibs. $151 



Birch 8.5 " 11.6 " 1.45 



Oak , 5.5. 100 1.05 



Walnut 12.2 ' 15.3 " 1-77 



Poplar 13.1 ' 140 " 1.71 



Apple 4.6 ' 12.0 " 1.16 



Ked Pine 5.1 < 5.2 .64 



Coal ashes (anthracite') 5 0.15 " .3 



Peat " 20 ' 0.2 " .11 



We shall now show the value of one thousand pounds of 

 well rotted and air-dried stable manure, calculated from the 

 analyses of Dr. Vcelcker : 



Water and organic ) 67Q ,, 



volatile matter | b7U bs> 



Ammonia 30 " $7.50 



Phosphoric Acid 18 " 2.25 



Potash 20 " 1.60 



Total $11.35 



We shall now give the value of the urine of different animals, 

 as shown by the fertilizing salts contained in one thousand 

 pounds of each : 



Potash. 



6.0 Ibs. 



Pig Urine. ..9.29 Ibs. 

 Horse " ...9.40 " 

 Cow " ...9.28 

 Sheep " ...9.65 

 Human" ...9.57 



Water. Phos'ric acid. 



trace, 

 trace, 

 trace, 

 1.3 Ibs. 

 4.0 " 



2.8 

 4.5 



7.2 

 2.0 



Nitrogen. 



11.8 Jbs. 

 15.4 

 4.4 " 

 13.1 " 

 1.42 



Ammonia. 



= 14.3 Ibs. 



= 18.7 " 



= 5.3 " 



= 15.9 " 



= 17.2 



