78 TiMRHRI. 
CERTIFICATE OF ANALYSIS. 
Composition of a sample of soil ; marked Surinam} Plant. Berlyn, 
surface soil, 12 inches deep, Coffee land ; sent by the Hon'ble the 
Government Secretary ; received November 15th, 1897. 
Moisture retained by air-dried soil, 26*3 0/0, 
1 Root residues and combined water ... ... ... 8*413 
2 Humus ... ... ... ... ... ... 24'426 
3 Phosphoric Anhydride ... ... ... ,., '133 
Sulphuric Anhydride ... ... ... ... '842 
Chlorine ... ... ... ... ... traces. 
Iron Peroxide ... ... ... ... ... 6*378 
Alumina ... ... ... ... ... 17*700 
Manganese Oxide ... ... ... ... '271 
Calcium Oxide ... ... ... ... ... '304 
Magnesium Oxide ... ... ... ... *8i8 
4 Potassium Oxide... ... ... ... ... '760 
Sodium Oxide ... «•. .•• ... ... '190 
Clay and Combined Silica... ... ... ... 31*693 
Quartz Sand ... ••• ••• ... ... 8*072 
100*000 
Remark ;— A " Pegass" soil of great fertility, would be improved by 
jndicious liming. 
I contains Nitrogen ... ... 
3 „ „ ... 
I and 2 contain total Nitrogen 
3 soluble in i 0/0 Citric Acid Solution 
4 i* » '* " 
... 
... 
•470 
... 
••• 
•19s 
... 
... 
•665 
*•• 
... 
*oi9 
ttt 
«.. 
'016 
