74 



Naftel experiment with cotton. 



o 

 o 



Fertilizebs. 



3 

 4 



8 



10 



no 



u 

 w 

 « 



p< 



a 

 a 

 o 



E 



<'1 



Lbs. 

 200 

 240 



00 

 200 

 2011 

 240 

 200 

 200 

 240 

 200 



00 

 200 

 240 

 200 

 200 

 240 

 100 



KIND. 





2 P. 

 o » 



Cottonseed meal. 

 Acid phosphate. . 



No fertilizer 



Kainit 



Cottonseed meal. 

 Acid phosphate. . 

 Cottonseed meal. 



Kaiuit 



Acid phosphate. . 



Kainit .... 



No fertilizer 



Cottonseed meal. 

 Acid phosphate . . 



Kainit 



Cottonseed meal. 

 Acid phosphate.. 

 Kainit 



79 

 76 



77 

 88 



88 

 84 



92 



79 



87 



88 



SEED COTTON 



cs 



Lbs 

 152 

 200 

 144 

 360 



344 



456 



408 

 148 



616 



488 



OS 



o 



S) 



^3 



Lbs. 



8 

 56 



215 



198 



310 

 261 



468 



340 



FINANCIAL RESULTS 



0) 



OS 



a 



o 

 to 



> 





$0.16 

 1.12 



.30 



3.9e 



6.20 

 5.22 





<u 



« 



o ^ 



$1.90 

 1.32 



1.38 

 3.22 



3.28 



2.70 



9.36 4 60 



6.80 



3.90 



S 

 p 



OQ 



<C ® 

 O N 



$ 



-1.74 

 — .20 



-1.08 

 .74 



2.92 



2.52 



4.76 



2.90 



Increase of s€ed cotton per acre when cottonseed meal 

 was added: 



To unfertilized plot 8 lbs. 



To acid phosphate plot 142 " 



To kainit plot 95 " 



To acid phosphate and kainit plot 207 " 



Average increase with cottonseed meal 113 " 



Increase of seed cotton per acre when acid phosphate 

 wa.s added: 



To unfertilized plot 56 lbs. 



To cottonseed meal plot 190 " 



To kainit plot 46 " 



To cottonseed meal and kainit plot 158 '' 



Average increase with acid phosphate 113 



i( 



