71 



The superiority of the plots where potash had been used became 

 apparent early in the season. 



Results of Measurements, 1891. 



No. ! 



of 



Plot. 



FERTILIZERS USED. 



Average Measurements. 



July 16. I Aug. 20. 



Nothhia:, 



Nitrate of soda, 



Dissolved bone-blaclv, 



Nothing, 



Muriate of potash, 



Nitrate and bone-blaclc, 



Nitrate and potash, 



8 Nothing, 



9 Bone-blaclv and pota.sh, 



10 Nitrate, bone-black and potash, 



11 Land plaster, 



12 Nothing, 



13 Barn-yard manure, 



14 Lime, 



15 Nothing, 



7.4 

 7.7 

 7.6 

 7.7 

 8.9 

 9.4 

 8.5 

 6.4 

 7.5 



10.8 

 8.2 

 7.2 



13.1 

 8.4 

 9.1 



11.1 

 12.3 

 11.5 

 11.1 

 13.9 

 13.0 

 12.2 

 10.6 

 11.9 

 14.8 

 11.0 

 9.9 

 17.9 

 10.8 

 12.4 



14.3 

 15.8 

 14.4 

 15.2 

 21.6 

 17.6 

 20.6 

 15.3 

 20.5 

 22.1 

 15.5 

 15.6 

 29.8 

 15.6 

 16.3 



These measurements afford no evidence that the beneficial effect of 

 the nitrate of soda was any less toward the close than at the begin- 

 ning of the season of growth. 



Summary of Weather Observations, April 17 to Sept. 30, 1891. 



These figures bring out two prominent facts : the dryness of the spring, 

 and the low temperature experienced during April and May. The retarding 

 effect upon growth was serious. 



analysis op manure used. 

 iMoisture at 100° C, 75.75 per cent. 



Phosphoric acid, .32 •' " 



Potassium oxide, .57 "• " 



Nitrogen, .47 " " 



Insoluble matter, 1.37 '• " 



