76 



Conecuh County_, 1-2 to 1 1-2 Miles North East of Betts. 



R. H. Betts, 1905-6-7. 



Gray sandy soil with red suhsoil. 



The land on which these tests were made had been cleared 

 for 30 or 40 years. The original growth was reported hard- 

 wood and short-leaf pine ; if so, probably this soil is deffer- 

 ent from the average soil of the long-leaf pine belt. 



In 1908 there was so much rain and such small yields that 

 all fertilizers were about equally inefifective and unprofit- 

 able. In 1906 when both fertilized and unfertilized plots 

 yielded well, complete fertilizer (on plots 9 and 10) offorded 

 the largest net profit. In 1905 a mixture of cotton seed 

 meal and acid phosphate was nearly as effective and quite 

 as profitable as a complete fertilizer. 



1905 1906 1907 



Lbs. Lbs. Lbs. 



Average yield of seed cotton per acre, unfertilized . .560 88.8 380 

 Average yield of seed cotton when cotton seed meal was added: 



To unfertilized plot 216 168 56 



To acid phosphate plot 78 9 34 



To kainit plot 134 130 67 



To acid phosphate and kainit plot 75 173 26 



Average increase with cotton seed meal 126 120 46 



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



To unfertilized plot 224 184 40 



To cotton seed meal plot 86 25 18 



To kainit plot 130 111 53 



To cotton seed meal and kainit plot 71 154 12 



Average increase with acid phosphate 127 119 3i 



Increase of seed cotton per acre when kainit was added: 



To unfertilized plot 13Q 36 9 



To cotton seed meal plot 57 — 2 20 



To acid phosphate plot 45 — 37 22 



To cotton seed meal and acid phosphate plot 42 127 14 



Average increase with kainit 71 31 16 



