i
*
pH
8.1
3.36
4.19
1.95
81.7
7.8
4.01
11.06
1.80
985.2
8.4
2.68
3.21
0.79
54.2
8.6
1.16
2.55
0.37
32.8
0.0
4.5
3.7
0.26
6.4
12.6
1.71
35.6
37.7
0.57
16.7
22.2
meq per 100 grams of oven dry soil
*Sodium
*Magnesium
*Potassium
Phosphorus (ppm)
Beach
Ridge
Sand
Lomuilal
Sand
Gogan
Gravelly
Sandy Loam
Kabelle
Sand
(from Kenady 1962).
Rongelap
Gravelly
Sand
of the five most extensive soil series
A, horizon
Nutrient levels and soil reaction in the surface
Per Cent Nitrogen
Per Cent Organic Matter
*Exchange Capacity
Soil Series
Table I.