8 
Bui. 1180, U. S. Dept. of Agriculture. 
Plate I 
Fig. I. — Field of Cotton Showing Injury Caused by a Heavy Appli- 
cation of Cyanamid Used in Mixture with Acid Phosphate. Field 
I, Season of I9I9. 
At left, cyanamid, 1,00J pounds 8-8-0 fertilizer per acre; vield 54S pounds of seed cotton. At 
right, no nitrogen, 1,000 pounds 0-8-0 fertilizer per acre; yield 980 pounds of seed cotton. 
Fig. 2.— Cotton Grown the Following Year on the Same Area 
Shown Above, Using Cyanamid with Acid Phosphate Applied Sepa- 
rately. Field I, Season of 1920. 
At left, cyanamid, 1,000 pounds 8-8-4 fertilizer per acre; vield 1,908 pounds of seed col l on. At 
right, no nitrogen, 1,000 pounds 0-8-4 fertilizer per acre; yield 1,204 pounds of seed cotton. 
