55 



ANALYSIS OF MANURE USED. 



Moisture at 100° C, 60.61 per cent. 



Potassium oxide, .303 " 



Phosphoric acid, .244 " 



Nitrogen, .393 



Insoluble matter, 23,168 " 



This manure weighed 51 1 pounds per cubic foot, and by calcula- 

 tion the amount applied to the plot weighed 165C pounds. At this 

 rate it supplied per acre : nitrogen, 128.2 pounds; phosphoric acid, 

 80.8 pounds; potash, 100.4 pounds. 



North Half Acre, 

 results of the addition of nitrogen to 



Muriate Phospboric 

 Phosnhoric 

 Nothing. 



Hard corn, bushels per acre, 14.6 

 Soft corn, " " -.3 



Stover, pounds " 867 



Value of net average increment 



Financial result. 



RESULTS OF THE ADDITION OF PHOSPHORIC ACID TO 



Nothing. 



Hard corn, bushels per acre, -3.1 

 Soft corn, " " 2.7 



Stover, pounds " -327 



Value of net average increment, 



Financial result. 



RESULTS OF THE ADDITION OF POTASH TO 



Nitrate Nitrate 



of Phosphoric andPhos- Average 



Nothing. Soda. Acid. ph'cAcid. Result. 



Hard corn, bushels-per acre, 21.9 -12.9 32.6 32.6 18.6 



Soft corn, '' " -.1 .1 -5.3 -4.1 -2.4 



Stover, pounds " 1845 2548 2107 1710 1928 



Value of net average increment, $17.12 



Financial result, 13.92 gain 



