28 



Auburn experiment tvlth cotton on J. J). Foster farm, 



Fertilizers. 



1809. 



1900. 



Kind. 



09 



■*^ 



> 



CO 



(V N 

 CO • — 



•^ 3 



9 



200 

 240 



00 

 200 

 200 

 240 

 200 

 200 

 240 

 200 



00 

 200 

 240 

 200 

 200 

 240 

 100 



Cotton seed meal 

 Acid phosphate. . . 



No fertilizer 



Ivainit 



Cotton seed meal. 

 Acid phosphate. . . 

 Cotton seed meal. 



Kainit 



Acid i)hosphate. . . 



Kainit 



No fertilizer 



Cotton seed meal. 

 Acid phosphate . . 



Kainit 



Cotton seed meal, 

 Acid phosphate. . . 

 Kainit. 



JM. 

 240 



128 



'7» 

 397 



347 



194 



398 

 360 



Increase of seed cotton per acre when cotton seed meal 

 was added: 



1899. 1900. 



To unfertilized plot 280 lbs. 240 lbs. 



To acid phosphate plot 213 lbs. 269 lbs. 



To kainit plot 124 lbs. 268 lbs. 



To acid phosphate and kainit plot. ... 95 lbs. 204 lbs. 



Average increase with cotton seed meal, 178 lbs. 245 lbs. 



Increase of seed cotton per acre when acid phosphate 



was added : 



To unfertilized plot 192 lbs. 128 lbs. 



To cotton seed meal plot 125 lbs. 157 lbs. 



To kainit plot 42 lbs. 115 1'bs. 



To cotton seed meal and kainit plot . . 13 lbs. 51 lbs. 



Average increase with acid phosphate, 93 lbs. 113 lbs. 



