44 



This manure contains a little more potash and less phosphoric acid 

 and nitrogen than the average of those used in our experiments. It 

 should have proved exactly suited, as will be seen, to the require- 

 ments of tliis soil. 



WEATHER OBSERVATIONS, 

 June 1— Nov. 1, 1889. 



*153 days. 



These figures are the result of observations taken at the State 

 P^xperiment Station, the instruments of which are on the same level 

 as our field and quite near it. We also determined rainfall by means 

 of a gauge placed within a few yards of our field. Tiie results agree 

 substantially with those of the above table. 



RESULTS OF THE ADDITION OF NITROGEN TO 



Value of average net decrease, 

 Financial result. 



$ .19 

 4.19 



RESULTS OF THE ADDITION OF PHOSPHORIC ACID TO 



Hard Corn, bushels per acre, 



Soft '^ 



Stover, pounds " "• 



2.9 



—.6 



445 



Value of average'net increment, 

 Financial result. 



$1.93 

 2.87 loss 



