Table 9. Mean soil salinity, pH and extractable cations by study 
block, zone (U - upper, M - middle, L - lower) and depth. 
Samples collected on 24 May 1974. Data based on a mean 
value of three samples in Blocks I, II, and III and two 
samples in Block IV-Continued. 
Depth Salinity 
_ Zones (Inches) (ppm) 
Le a] EET] 
0 to 2 
U 2 to 4 
4 to 6 
0 to 2 
2 to 4 
4 to 6 
= 
a 
eS 
0 to 2 
2 to 4 
4 to 6 
0 to 2 
2 to 4 
4 to 6 
0 to 2 
2 to 4 
4 to 6 
0 to 2 
2 to 4 
4 to 6 
0 54.3 ° 
.51/108.4 | 880. 
c 92.4 | 761. 
-5{116.6 | 967. 
33 
