36 
Bulletin 65. 
TABLE IX.—WATER-SOLUBLE, SOIL A, FIRST TWO INCHES. 
Per cent. 
Silicic Acid. 0.574 
Sulfuric Acid. 49.411 
Phosphoric Acid. None 
Carbonic Acid. 0.721 
Chlorin. 5.557 
Potassic Oxid. 1.223 
SodicOxid... 14.301 
Calcic Oxid. 16.189 
Magnesic Oxid. 7.635 
Aluminic and Ferric Oxids... Trace 
Manganic Oxid. 0.297 
Ignition. 5.058 
Sum.100.966 
Oxygen Equivalent to Chlorin. 1.252 
Total. 99.714 
Combined. Per cent. 
Calcic Sulfate.3d.289 
Magnesic Sulfate.22 924 
Potassic Sulfate. 2.263 
Sodic Sulfate.17.728 
Sodic Chlorid. 9.167 
Sodic Carbonate. 1.737 
Sodic Silicate. 1.165 
Aluminic and Ferric Oxids ... .Trace 
Manganic Oxid. 0.297 
Ignition. 5.058 
Sum.99.628 
Excess of Sodic Oxid. 0.081 
Total 
99.709 
The percentage of water-soluble equalled 3.93. 
TABLE X.—WATER-SOLUBLE, SOIL A, SECOND TWO INCHES. 
Per cent. 
Silicic Acid. 1.999 
Sulfuric Acid. 51.740 
Phosphoric Acid. 0.129 
Carbonic Acid. 3.092 
Chlorin. 0.939 
Potassic Oxid. 1.490 
Sodic Oxid. 4.429 
Calcic Oxid. 26.617 
Magnesic Oxid. 7.591 
Aluminic and Ferric Oxids ... 0.161 
Manganic Oxid. 0.209 
Ignition. 2.173 
Sum.100.569 
Oxygen Equivalent to Chlorin. 0.212 
Total.100.357 
Combined. Per cent. 
Calcic Sulfate . 64.594 
Magnesic Sulfate. 20.642 
Magnesic Phosphate. 0 229 
Magnesic Carbonate. 1.285 
Potassic Carbonate. 2 185 
Sodic Carbonate. 4.157 
Sodic Chlorid. 1.549 
Sodic Silicate. 2.312 
Aluminic and Ferric Oxids ... 0.161 
Manganic Oxid. 0.209 
Ignition. 2.173 
Sum. 99.496 
Excess of Silicic Acid. 0.861 
Total.100.357 
The percentage of water-soluble equalled 2.55. 
TABLE XI.—WATER-SOLUBLE, SOIL B, FIRST TWO INCHES. 
Per cent. 
Silicic Acid. 1.348 
Sulfuric Acid... 47.649 
Phosphoric Acid. None 
Carbonic Acid. 1.311 
Chlorin. 4.008 
Potassic Oxid. 2.048 
Sodic Oxid. 18.632 
Calcic Oxid. 13.900 
Magnesic Oxid. 5.365 
Aluminic and Ferric Oxids ... 0.113 
Manganic Oxid. 0.266 
Ignition. 6.281 
Sum.100.921 
Oxygen Equivalent to Chlorin. 0.903 
Total.100.018 
Combined. Per cent. 
Calcic Sulfate. 33.733 
Magnesic Sulfate. 16.108 
Potassic Sulfate. 3.789 
Sodic Sulfate. 27.229 
Sodic Chlorid. 6.612 
Sodic Carbonate. 3.158 
Sodic Silicate . 2.714 
Aluminic and Ferric Oxids ... 0.113 
Manganic Oxid. 0.266 
Ignition. 6.281 
Sum.100.003 
Excess of Silicic Acid. 0.012 
Total.100.015 
The percentage of the water-soluble equalled 0.75. 
