47 



^iicrease of seed cotton per acre ■when kainit was added: 



To unfertilized plot 20G Ibf. 



To cotton seed meal plot 123 lbs. 



To acid phosphate plot 58 lbs. 



To cotton seed meal and acid phosphate plot.. 163 lbs. 



Average increase with kainit ...; 137 lbs. 



m^ctumplia^ Tallassee, Notasulga and Auhiirn fertilizer ex- 

 periments. 



o 



o 



•sf 



9^ 



no 



FERTILIZER. 



We- 



TUMPKA 



1901 



LASSEE 

 1903 



Nota- 

 sulga 

 1904 



Auburn 

 1902 



0) 



u 



O 



a 



KFND. 



0) 



0) rt 



o 



U P4 



o a> 

 si, 0) 



A6j. 

 200 

 240 

 00 

 200 

 200 

 240 

 200 

 200 



240 

 200 



00 

 200 

 240 

 200 

 200 

 240 

 100 



Cotton seed meal 

 Acid phosphate . . 

 No fertilizer ...... 



Kainit 



Cotton seed meal 

 Acid phosphate . . 

 Cotton seed meal 



Kainit 



Acid phosphate . . 



Kainit 



No fertilizer 



Cotton seed meal 

 Acid phosphate . . 



Kainit 



Cotton seed meal 

 Acid phosphate . . 

 Kainit 



Lbs. 

 424 

 536 

 360 



I 432 



I 

 656 



504 



680 

 384 

 592 



664 



Lds. 



64 



170 



'Lbs. 



136 



40 



a '•- 



0) 



u 



;-! 



ft 



a 

 o 



> ^la B 



u ft 



O 4; 

 0.2 



c3 £ 



Lbs. 

 480 1 

 384 1 

 344! 



528 

 548 

 272 



Lbs. 

 256 

 276 



Lbs. 

 594 

 477 

 416 

 629 



580 

 662 



648 



475 



741 

 729 



Lbs. 



178 



63 



201 



140 



211 

 185 



266 



254 



ExrERIME^'T'OK STATION FaRM AT AUBURN. IN 1902. 



Light, sandy soil with porous sandy su'bsoil. 



This test was made on the poorest hilltop on the station 



