44 



LIMESTONE COUNTY, 1 MILE SOUTHEAST OF 



ATHENS. 



Eighth District Agricultural School. 



Red clay loam, red clay subsoil. 



There was no damage from rust. There was very Httle dam- 

 age done by the cotton caterpillar. 



The highest profit was obtained on Plot 9, where a complete 

 fertilizer was used. Among the single fertilizers, cotton seed 

 meal used alone gave the highest profit. Kainit and acid phos- 

 phate were not profitable when used alone. The average esti- 

 mated increase of seed cotton per acre was 149 pounds for cot- 

 ton seed meal ; 82 pounds for acid phosphate, and 38 pounds 

 for kainit. 



Nitrate of soda applied June 27 was practically equal to cot- 

 ton seed meal. 



Increase of seed cotton per acre when cotton seed meal was added: 



To unfertilized plot 144 lbs. 



To acid phosphate plot 76 lbs. 



To kainit plot 132 lbs. 



To acid phosphate and kainit plot 244 lbs. 



Average increase with cotton seed meal 149 lbs. 



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



To unfertilized plot 16 lbs. 



To cotton seed meal plot 52 lbs. 



To kainit plot 74 lbs. 



To CO. ton seed meal and kainit plot 186 lbs. 



Average increase with acid phosphate 82 lbs. 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot —30 lbs. 



To cotton seed meal plot — 42 lbs. 



To acid phosphate plot 28 lbs. 



To cotton seed meal and acid phosphate plot 196 lbs. 



Average increase with kainit 38 I'ai. 



Increase from use of cotton seed meal 244 lbs. 



Increase from use of ni rate 248 lbs. 



Nitrate better by 4 lbs. 



