510 Philippine Journal of Science 1919 
TABLE VII.—Ceylon soils. * 
Alluvial 
capoors| Bee | gama | TeSa™4 | Swampy 
Sky | nent inter- planted land, 
soil. station, planted with black 
Pera- with rubber. seit, 
deniya: rubber. 
Moisture SS ee 3.300} 3.000; 3.600| 3.000} 5.600 
Organic matter and combined water------ ---- 8.000 11. 000 4, 600 6.000 | 20.400 
Oxide of iron and manganese --.-.----.-.------- 7. 400 8.000 7.200 5. 200 1. 200 
Gite ie Be ooo ene nn n= - 5 8. 200 9.717 6. 786 13. 049 5. 232 
Tames Siseonches 0. 060 0. 130 0. 160 0. 160 0. 050 
Sane Ss ee 0. 054 0.259 0. 216 0. 490 0.115 
Pubenh sso oa cnc; 0.085 0. 162 0.077 0. 401 0. 061 
Phosphorie acid... =... os. ce eee 0.010 0. 076 0. 064 0. 089 0. 064 
BOOS ceeded wae science ldan ns BR esa el eid 0.074 0. 188 0. 233 0.187 0. 182 
Sulphtrie 6018 ooo soca Sr ooucces 0.008 0.054 0. 048 0. 068 0. 048 
CMIORING 6S Soc is see atest ee 0.003 0.014 0, 016 0. 006 0. 048 
Sands-and silichtes 5. i600. 52st 72. 806 67. 400 77. 000 71.400 | 67.000 
100.000 | 100.000 | 100.000 | 100.000 ; 100.000 
Containing nitrogeii...2020- 53.2 aS 0. 128 0. 230 0. 100 0. 162 0, 448 
Ruel te ammonia 26552525 co Se eke 0. 156 0. 280 0. 122 0. 195 0. 554 
Lower oxide of iron_-....-----_- Scat ae eee trace much trace trace much 
ROA oe ee much | neutral fair much much 
Citeie soluble potaslis. o.oo: 2c oe 0. 006 0,018 0. 008 0. 025 0. 009 
Citric soluble phosphoric acid --_....-.-.------ nil trace nil trace nil 
Fine soil passing 90 mesh __.__----...---------- 11.50 53. 90 48, 00 34.00 | 59.00 
Fine soil passing 60 mesh -...----.-..--..------ 9.50 43. 00 42, 00 25.00 | 36.00 
Medium soil passing 30 mesh ____-_-___-_____-- 4.00 3.00 8.00 10. 00 1.00 
Coarse sand and small stones -__-_.-__-__-____. 75.00 0.10 2.00 81.00 4.00 
100. 00 100. 00 100. 00 100.00 | 100.00 
« From Circulars and Agr. Journ. Roy. Bot. Gard. Ceylon 3 (1905) 67-72. 
