24 



These measuremeuts seem to indicate uo relative falling off in the 

 plots receiving nitrate of soda with the advance of the season. They 

 further serve to confirm the favorable estimate placed upon the plots 

 receiving potash. 



ANALYSIS OF MANURE USED. 



Moisture at 100° C. 56.710 per cent. 



Organic and volatile matter, 87.526 " " 

 Ash, 12.474 " " 



Phosphoric acid, 0.399 '^ " 



Calcium oxide, 0.386 '■'■ '• 



Magnesium oxide, 0.223 " " 



Potassium oxide, 0.489 " " 



Nitrogen, 0.419 " " 



Iiisoluble matter, 9.873 '' " 



Thift is a little below the average of manures used and the increase 



in hard corn is likewise below the average, viz. : 19.1 bushels, while 



the average is 22.4 bushels per acre. 



SUMMARY OF WEATHP:R OBSERVATIONS, 



June 9,— Nov. 1, 1889. 



*145 days. 



This summary shows that at this station the temperature is more 

 variable than at any other. It has the highest absolute maximum, 

 99.5 degrees; the lowest minimum, 31 degrees; the highest average 

 daily range, 24.7 degrees, and the highest total range 68.5 degrees. 



