72 



Lbsi 



Average yield of seed cotton per acre, unfertilized 94 



Increase of seed cotton when cotton seed was added: 



To unfertilized plot 785 



To acid phosphate plot 96 



To kainit plot 254 



To acid phosphate and kainit plot 148 



Average increase with cotton seed uneal 144 



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



To unfertilized plot 35 



To cotton seed meal plot 54 



To kainit plot 74 



To cotton seed meal and kainit 32 



Average increase with acid phosphate 48 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 33 



To cotton seed meal plot 209 



To acid phosphate plot 72 



To cotton seed meal and acid phosphate plot 124 



Average increase with kainit 109 



