Bui. 1180. U. S. DeDt. of Agriculture. 
Plate IX. 
Fig. I. — Early Growth of Corn with Sulphate Mixed Salt. Field 2 
Season of 1921. 
At Left, mixed salt, 1,000 pounds 1-8-5 fertilizer per acre; yield 3S.5 bushels. At right, no fer- 
tilizer: Yield 3.5.7 bushels. 
Fig. 2. — Early Growth cf Corn with Ammonium Chlorid. Field 2, 
Season of 1921. 
At left, ammonium ehlorid, 1,000 pound- 1-8-4 fertilize! per acre; yield 17.7 bushels. At right, 
no fertilizer; yield 6.3 bushels. 
