Table III. Composition of reprosentative sot] types from Rongelap Atoll (after Kemdy 1962). _ Kabelle Sand, a young soil Sell Depth « inahes Per Cont Material => 2 mm Fer Cont Nitrogen Per Cent Organise Matter *Wohange Capacity * Sedtum * Magnesium 9-1 bi 0.02 1-57 4.01 G1 603 3.02 © Doe eeium epherus (pe) pH 8 9.22 1437 * Colosum 1.11 0.57 30.0 8.3 ~063 1.04 2.88 0.15 12,0 Sel 12-38 2 0.01 2.6 Oel 1.87 1.16 2.65 0.20 12.0 9.2 Lomuiial Sand, an old evi Soil Depth =inohes Por Cent Per Cont Per Cent * Exohange © Sodium Material >> 2 om Nitrogen Organio Matter Capacity * Magnesium © Calofum * Potassium 9-3 0 0,29 2.8 14,2 5 0.07 2.3 2.3 10-12 18 0.08 2.2 2.6 2573 4.66 0.73 8.36 0.62 1.05 1,99 0.18 0.19 5.02 hroepherus (ypa) 4219 105.9 Bu 1.87 151 8.6 2,50 Wael 8.3 12-21 12 218 2 0.0% 1.9 lel 0.02 1.7 006 2.32 2035 0.82 0.85 0.16 5.0 8.8 .- ' 0.84 0.83 0.16 5.0 9.2 Gogan Gravelly Sandy Loam, an old soil Depth Por Cent Per Cent Per Cent * Ixchange * Sodium Material => 2 ms Nitregen Organic Matter Capacity * Magnenium © Calcium © Petasedizn - Pheaphopus (ppm) pu * if Q-) 1-5 5n12 12-20 20-26 10 1.54 20 1.96 20 Oke 27 0.18 39 0.07 56 0205 6.8 2.6 2.6 6.2 707 7.8 21.4 -_ 5.9 20.5 2.0 79 49.6 3.0 7.4 17.9 0.6 4.0 =e le eae 10.3 Med 14.2 72 0.4 202 =e 1930.4 692.8 428.5 216.3 o4 Jel 709 8.2 2.6 Od 1.2 aon 150.6 8. 17 04 1.1 ae 2502 ° meq per 100 gm dry soil 1S