51 



Tuscaloosa experiment with cotton. 



o 

 o 



1 



2 

 3 

 4 



7 

 8 



10 



Fertilizer. 



a. 



a « 



i6s 

 200 

 240 



00 

 200 

 200 

 240 

 200 

 200 

 240 

 200 



00 

 200 

 240 

 200 

 200 

 240 

 100 



Kind. 



Cottonseed meal . 

 Acid phosphate . . 



No fertilizer 



Kainit 



Cottonseed meal . 

 Acid phosphate. . 

 Cottonseed meal. 



Kainit 



Acid phosphate . . 



Kainit 



No fertilizer 



Cottonseed meal. 

 Acid phosphate. . 



Kainit 



Cottonseed meal. 

 Acid phosphate. . 

 Kainit 



SEED COTTON 



o 

 u 

 o 



u 



73 



Lbs. 



648 

 896 

 592 



mQ 



1,064 



904 



1,016 

 608 



1,168 

 1,168 



a «> 



O <o 



56 

 304 



101 

 466 



303 



413 



560 



560 



FINANCIAL, RESULTS 



O 



> 



u 



o 



11.12 

 6.08 



2.02 

 9.32 



6.06 



8.26 



11.20 



11.20 



OD 



U 



o 



.-s 



ft 



Or 



11.90 

 1.32 



1.38 

 3.22 



3.28 



2.70 



4.60 



3.90 





o 



Si 



o 



u ' 



f 



— .79 

 4.76 



.64 

 6.10 



2.78 



6.J56 



6.60 



7.30 



Increase of seed cotton, per acre when cottonseed meal 

 was added: 



To unfertilized plot 56 lbs. 



To acid phosphate plot 162 " 



To kainit plot 202 " 



To acid phosphate and kainit plot 147 " 



Average increase with cottonseed meal 142 " 



Increase of seed cotton per acre when acid phosphate 



waiS added: 



To unfertilized plot 304 lb». 



To cottonseed meal plot 362 " 



To kainit plot 360 



To cottonseed meal and kainit plot 257 



» 



Average increase with acid phosphate 321 



>» 



