Henry County, 1 Mile East of Headland. 

 W. F. Covington. 1907-8. 



Gray sandy soil icith yellow loam siibsoil. 



In 1907. — The experiment in 1907 was made on land that 

 had been cleared about 40 years and was very poor, but 

 otherwise representative. 



The crop in 1906 was cotton fertilized with 500 to 600 

 pounds of a 9-3-3 guano. This probably explains 

 in part why there was such poor response in 1907 to applica- 

 tions of phosphate. A further explanation is doubtless 

 found in the observed fact that rust was worse on plot 2, 

 fertilized with acid phosphate alone, than on other plots. 

 Cotton seed meal and kainit both profitably increased the 

 yield in whatever combination they were applied. The 

 largest vield was made bv a mixture of cotton seed meal and 



