11
Table III.
Composition of representative soil types from Rongelap Atoll (after Kemady 1962),
Kabelle Sand, a young soil
Soil Depth - inohes
Per Cent Material —> 2 mm
£ nent
Per Cent Nitrogen
Per Cent Organic Matter
Exohange Capacity
0-1]
34
0,22
8.1
6.3
1-11
8
0.02
~~
0.3
Sodium
1.57
3.01
Magnesium
1.37
1.04
Caloium
3.01
Potassium
Phosphorus
pH
0. 57
(ppm)
30.0
8.9 ©
2.68
Oo 15
12.0
941
11-38
2
0.01
2.6
0.1
1.37
1.16
2.65
0,20
12.0
9.2
Lomuilal Sand, an old soil
anit
Soil Depth - insheas
Per Cont Material >> 2 me
Per Cant Nitrogen
Per Cent Organio Matter
Exchange Capacity
Soditun
Magnesium
Caloium
Potassium
Phosphorus (ppm)
pH
0-3
0
0.29
2.8
14.2
2.73
4.66
5.02
1.09
105.9
8.4
3-10
10-12
5
0.07
2.3
2.3
0.73
8.36
1.87
0.18
15.1
8.6
18
0.08
2.2
2.6
0.82
1.05
2.50
0.19
14.1
8.3
12-21
21 48
12
0.04
1G
lel
0.82
0.85
2.31
0.16
5.0
8.8
2
0.02
1.7
0.6
0.84
0.83
2.35
0.16
5.0
9.1
Gogan Gravelly Sandy Loam, an old soil
Soil Depth - inehes
* Re E
Per Cont Material —> 2 mm
Per Cent Nitrogen
Per Cent Organio Matter
Exchange Capacity
Sodium
Magnesium
Caloium
Potassium
Phoaphorus (prin)
pH
*
10
0-1
1-5
5-12
12-20
20-26
10
1.54
20
1.96
20
0.42
27
0.18
39
0,07
56
0.05
21.4
20.5
2.0
-43.6
9.0
549
17.9
0.8
6.8
Fe2
0.4
2.6
2.6
o.4
246
1.7
0.4
740
74
4.0
2.2
1.2
1.1
10.3
24,2
14.1
6.2
Fef
7.8
1990.4
892.8
415.5
216.3
150.6
2541
74
Fel
79
8.2
8.6
8.8
--
1.80
--
~o
--
--
meq per 100 gm dry soil
nay are!
,
4
np,
Tt
Vit