1903.] 



PUBLIC DOCUMENT — No. 33. 



129 



grain this year. The crop, however, is not yet sufficiently 

 dried to shell ; and calculation, allowing 90 i)Ounds of ears, 

 as weighed November 22, to a bushel, shows that the averao-o 

 apparent yield is at the rate of 9.7 bushels per acre. The 

 actual yield of grain is believed to be under 4 bushels per 

 acre. The table shows the manuring of the several plots 

 the rate of yield, and the gain or loss per acre compared 

 with the nothing plots : — 



Corn.— South Acre Soil Test, 1902. 



Fertilizer used. 



Nitrate of soda, 



Dissolved boue-black, . 



Nothing, 



Muriate of potash, . 



Lime, 



Notliing, 



IManiire 



Nitrate of soda aud dissolved 



boue-black. 

 Nothing, 



Nitrate of soda and muriate 



of potash. 

 Dissolved bone-black and 



muriate of potash. 

 Nothing 



Plaster 



Nitrate of soda, dissolved 

 boue-black aud mimate of 

 potash. 



Yield per Acre. 



Corn 



(Bushels, 



90 Pounds) 



7.3 

 11.4 

 10.4 

 47.7 



4.9 

 10.4 

 68. 7 

 11.2 



9.2 

 53.4 

 55.9 



8.8 

 14.6 

 56.2 



Stover 

 (Pounds) 



1,180 

 1,780 

 1,480 

 4,760 

 SCO 

 800 

 6,220 

 1,380 

 1,360 

 3,540 

 4,640 

 1,.300 

 1,880 

 4,540 



Gain or Loss per Acre, 



compared 



with Nothing Plots. 



Corn 



(Bushels, 90 



Pounds). 



-3.1 

 1.0 



37.3 



—5.5 



58.3 

 2.0 



44.3 



47.0 



5.8 

 47.4 



Stover 

 (Pounds). 



—300 

 300 



3,507 

 —167 



5,420 

 20 



2,200 

 3,320 



580 

 3,240 



The effect of each of the three elements of plant food — 

 nitrogen, phosphoric acid and potash — is more clearly 

 broui^ht out in the tables which follow : — 



Value of decrease, $0 45 



Financial result (loss), 365 



