2Dcu 
Bu!. 1180. U. S. Dept. of Aericulture. 
Plate III. 
*" 
I 1 
5 
Fig. I. — Early Growth of Cotton with Sulphate Mixed Salt. Field 2, 
Season of 1921. 
At left, no nitrogen, 1,000 pounds 0-8-5 fertilizer per acre: yield 540 pounds of seed cotton. A1 
right, mixed salt, l,0J0 pounds 4-8-5 fertilizer per acre; 'yield 872 pounds of seed cotton. 
Fig. 2. — Yields of Cotton from Plats Receiving Different Amounts 
of Ammonium Nitrate. Field I, Season of 1921. 
Left to right: No fertilizer; yield 64 pounds of seed cotton per acre. No nitrogen, 1,000 pounds 
0-8-4 fertilizer per acre; yield 718 pounds. Ammonium nitrate, 1,000 pounds 2-8-4 fertilizer per 
acre; yield 872 pounds. Ammonium nitrate, 1,000 pounds 4-8-4 fertilizer per acre; yield 1,222 
pounds. Ammonium nitrate. 1,000 pounds 8-8-4 fertilizer per acre; yield 1,520 pounds. 
