34 



Lbs. 



Average yield of seed cotton per acre, unfertilized 376 



Increase of seed cotton when cotton seed meal was added: 



To unfertilized plot 144 



To acid phosphate plot 96 



To kainit plot 144 



Average increase with cotton seed meal 128 



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



To unfertilized plot 88 



To cotton seed meal plot 40 



To kainit plot —32 



Average increase with acid phosphate 24 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 72 



J cotton seed meal plot .' 72 



To acid phosphate plot — 48 



Average increase ivifh kainit 24 



