PLATE I, 



CROP RESPONSE TO NITROGEN AND LIME. 

 Cabbages, Crop of 1917. 



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]^)ta^ll ami i ili i>| .Ij. .i ic a^-id vvithlime. Yield 

 per acre: good, 25,000 pound.s; poor, 7,720 

 pounds. 



Pota.^l], jihosphoric acid and nitrogen without 

 lime. Yield per acre: good, 26,040 pound.s; 

 poor, 7,320 pounds. 



A. Lime versus Nitrogen. 



A very fair crop was produced with potash and phosphoric acid plus lime, or with complete 

 fertilizer without lime. 



Potash and phosidiorie acid v.ithout lime. 

 Yield per acre: good, 6,320 pounds; poor, 

 7,560 pounds. 



Potash, phosphoric acid and nitrogen with 

 lime. Yield per acre: good, 42,480 pounds; 

 poor, 2,920 pounds. 



B. Nitrogen with a?id without Lime. 



The lower left compared with upper right indicates the effect of nitrogen without lime: 

 upper left compared with lower right the effect of nitrogen with lime. 



