17 



SUMMARY OF WEATHER OBSERVATIONS. 



June 12 to September 29, 1890. 



*109 days. 



These observations indicate an unusually low range of temperature 

 and a very light rainfall, conditions which must have seriously aggra- 

 vated the other unfavorable conditions already mentioned. 



RESULTS OF THE ADDITION OF NITROGEN TO 



Phosphoric 



Nothing. Acid. 



Hard corn, bushels per acre, 1.2 -1.5 



Soft corn, '^ " 1.1 -1.1 



Stover, pounds, " 133 -267 



Value of average net increment, 



Financial result, 



Muriate Phosphoric 



Acid and Average 



of 

 Potash. 



5.3 

 2.4 



340 



Potash. 

 6. 

 1.4 

 570 

 $2.75 

 1.25 1 



ige 

 Result. 



2.8 



1. 



194 



RESULTS OF THE ADDITION OF PHOSPHORIC ACID TO 



Nothing, 



Hard corn, bushels per acre, 1.7 

 Soft corn, " " . .7 



Stover, pounds " 167 



Value of average net increment. 



Financial result, 



Nitrate 



of 



Soda. 



1. 



-1.5 

 -233 



Muriate 



of 

 Potash. 



5.4 

 1.1 



550 



Nitrate 



and Average 

 Potash. Result. 



6.1 3.1 



.1 .1 



780 316 



$2.99 



1.81 loss 



RESULTS OF THE ADDITION OF POTASH TO 



Nothing. 



Hard corn, bushels per acre, 3.6 

 Soft corn, " " 



Stover, pounds " 120 



Value of average net increment, 



Financial result, 



Nitrate 

 of 

 Soda. 



1.3 

 327 



Phospho- 

 ric Acid. 



7.3 



.4 



503 



Nitrate 



and 

 Phospho- 

 ric Acid. 



14.8 



2.9 

 ' 1340 

 $7.67 

 4.47 gain 



Aver. 

 Result. 



8.4 



1.2 

 573 



