PRESERVATION OF POULTRY MANURE 



399 



phosphate and kianite prevents, at least to a certain extent, the 

 loss of nitrogen. 



The above gives a balanced food for plants, as hen manure 

 in itself does not provide the proper balanced plant ration. 



The Michigan Agricultural Experiment Station gives the 

 following analyses: 



Table 2. — Value of Fertilizing Constituents in One Ton of 



Manure 



Table 3. — Amount and Value of Manure Produced in One Year 



Amount, 

 pounds 



Value 



Horse . . . . 



Cow 



Sheep . . . . 



Hog 



100 hens. 



14,900 



24,800 



1,460 



2,550 



3,100 



$23.70 



29.50 



4,10 



2,55 



6,90 



