Table 14. Comparison of soil pH and extractable cations by depth. 
Data based on a mean value of 12 samples. 
Extractable Cations 
Depth 
(Inches) 
*Soil samples collected 24 May 1974. 
Table 15. Comparison of soil pH and extractable cations by zone 
(U - upper, M - middle, L - lower) in all study blocks. 
Data represent the mean of 12 samples. 
Extractable Cations 
*Soil samples collected 24 May 1974. 
39 
