FARM MANURES 



611 



Conserving Effect of Reinforcing Agents on Manure 

 Exposed for Three Months 



Treatments 



No treatment . 

 Gypsum . . 

 Kainit . 

 Floats . . . 

 Acid phosphate 



It is immediately evident that kainit and gypsum do not 

 conserve the manure, and, although acid phosphate and 

 floats show some influence, it is slight. The principal 

 benefit from reinforcing manure, if any, must therefore 

 be as a balancing agent. The figures from Ohio 1 over a 

 period of fourteen years in a rotation of corn, wheat, and 

 hay may be taken as evidence regarding this point. 

 The manure was added to the corn at the rate of 8 tons 

 to the acre. The reinforcing was 40 pounds to the ton 

 of manure in every case : — 



The Reinforcing of Fresh Manure 



1 Thome, C. E., and others. Plans and Summary Tables 

 of the Experiments at the Central Farm. Ohio Agr. Exp. Sta., 

 Cir. 120, p. 112. 1912. 



