

Autauga and Montgomery {Sandy Land) Experiments. 



1905 1908 1907 

 Lbs. Lbs. Lbs. 



A verage yield of seed cotton, unfertilized 592 656 784 



Increase of seed cotton when cotton sesd meal was added: 



To unfertilized plot 184 296 156 



To acid phosphate plot 40 27 49 



To kainit plot 144 67 90 



To acid phosphate and kainit plot 96 234 151 



Average increase with cotton seed meal 116 156 112 



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



To unfertilized plot 120 160 60 



To cotton seed meal plot —24—109 —47 



To kainit plot , 152 —4—105 



To cotton seed meal and kainit plot 104 163 — 34 



Average increase with acid phosphate 88 53 — 32 



