IJO SOILS AND FERTILIZERS 



Loss by leaching. 

 125 X 0.30 = 37.50 lbs. nitrogen 

 90 X 0.25 = 22.50 lbs. phosphoric acid 

 200 X 0.25 = 50 lbs. potash 



Total loss. 



Lbs. Per cent. 



Nitrogen 162.5 65 



Phosphoric acid 22.5 25 



Potash 250.0 62 



Present in final product, 

 manure from 1 ton timothy. 



Lbs. 



"Nitrogen 8.75 



Phosphoric acid 6.75 



Potash 15.00 



Relative money value $1.00 



Farm No. 2. 



In 10 tons mixed feed. 

 Lbs. 



Nitrogen 400 



Phosphoric acid 240 



Potash 300 



Loss, sold in milk and retained in body. 

 Lbs. Per cent. 



Nitrogen, 400 X 0.20 80 20 



Phosphoric acid, estimated .... 10 4 



Potash 12 4 



Present in final product, 

 manure from 1 ton feed. 



Lbs. 



Nitrogen 32.0 



Phosphoric acid 23.0 



Potash 26.0 



Relative money value #3-So 



207. Summary of Ways in which Stable Manure 

 May Be Beneficial. — 



1. By adding new stores of plant food to the soil. 



