259 
ANALYSIS OF SOIL FROM TYPICAL CACAO LAND INTERPLANTED WITH 
RUBBER. 
NO. I. 
Mechanical Composition. 
Per Cent. 
Fine soil passing 90 mesh 48.00 
Fine soil passing 60 mesh 42.00 
Medium soil passing 30 mesh 8.00 
Coarse sand and small stones 2.00 
100.00 
Chemical Composition. 
Moisture 3.600 
Organic matter and combined water 4.600 
Oxide of iron and manganese 7.200 
Oxide of alumina 6.786 
Lime o. 160 
Magnesia 0.216 
Potash 0.077 
Phosphoric acid 0.064 
Soda 0.233 
Sulphuric acid 0.048 
Chlorine 0.016 
Sand and silicates 77.000 
100.000 
Containing nitrogen 0.100 
Equal to ammonia 0.122 
Lower oxide of iron Trace 
Acidity Fair 
Citric soluble potash 0.008 
Citric soluble phosphoric acid Nil 
ANALYSIS OF SOIL FROM TYPICAL TEA LAND INTERPLANTED WITH 
RUBBER. 
Xo. I 
Mechanical Composition. 
Per Cent. 
Fine soil passing 90 mesh 34. 00 
Fine soil passing 60 mesh 25.00 
Medium soil passing 30 mesh 10.00 
Coarse sand and small stones 3 T -00 
100.00 
