Artichokes were planted in 1899 ^"<^ 1900? but the 

 crop oi the latter year is not reported. Plot 7, unfertilized 

 soil, made a crop of 2,640 pounds tubers per acre, while 

 the plot with no Nitrate, No. 3, gave a crop of 5,140 

 pounds. Adding to the fertilizer used on plot 3, 250 

 pounds of Nitrate of Soda for plot 4, increased the crop on 

 said plot 4 to 9,120 pounds, or nearly 100 per cent. 



Food for 

 Plants 



m 



(Plot 7.) Artichokes. No fertilizer. 



