35 



ETOWAH COUNTY, 5 MILES SOUTHWEST OF 



ATTALLA. 



W. A. COLVIN. 



Gray gravley land zvitli ycllozc clay subsoil. 



This land has been cleared for 30 years. The preceding crop 

 was corn. Shedding was uniform. Damage from rust was 

 most on Plot 5 and least on Plot 10. There was a good stand, 

 and same number of plants on each plot. Complete fertilizers 

 were most profitable. Plot 9 gave a profit of $5.44 per acre, 

 or 89 per cent on the investment. The average increase of 

 seed cotton per acre was 115 pounds for cotton seed meal; 93 

 pounds for phosphate; and 129 pounds for kainit. 



Cotton seed meal was slightly more effective than nitrate of 

 soda. 



Increase of seed co'.ton per acre when cotton seed meal was added: 



To unfertilized plot 144 lbs. 



To acid phosphate plot 88 lbs. 



To kainit plot 96 lbs. 



To acid phosphate and kainit plot 132 lbs. 



Average increase with cotton seed meal 115 lbs. 



Increase of seed cotton per acre when acid phosphate was added: 



To unfertilized plot 136 lbs. 



To cotton seed meal plot 80 lbs. 



To kainit plot 60 lbs. 



To cotton seed meal and kainit plot 96 lbs. 



Average increase with acid phosphate 93 lbs. 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 168 lbs. 



To cotton seed meal plot 120 lbs. 



To acid phosphate plot 92 lbs. 



To cotton seed meal and acid phosphate plot 136 lbs. 



Average increase with kainit 129 lbs. 



Increase from use of different quantities of kainit: 



From use of 200 pounds kainit 133 lbs. 



From use of 100 pounds kainit 108 lbs. 



Increase from use of cotton seed meal 132 lbs. 



Increase from use of nitrate of soda 88 lbs. 



Cotton seed meal better by 44 lbs. 



