This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
Minerals. | Wheat, 25 Bushels. | Barley, 40 Bushels. | Turnips, 20 Tons. | Hay, 1 1/2 Tons. |
Lbs. | Lbs. | Lbs. | Lbs. | |
Potassium....................... | 29.6 | 17.5 | 47.1 | 38.2 |
Sodium........................ | 3. | 5.2 | 8.2 | 12. |
Lime............................................... | 12.9 | 17. | 29.9 | 44.5 |
Magnesium...................... | 10.6 | 9.2 | 19.7 | 7.1 |
Oxide of Iron....................... | 2.6 | 2.1 | 7.1 | .6 |
Phosphoric Acid........................................ | 20.6 | 25.8 | 46.3 | 15 1 |
Sulphuric Acid................... | 10.6 | 2.7 | 13.3 | 9.2 |
Chlorine............................... | 2. | 16. | 3.6 | 4.1 |
Silicium....................................... | 118.1 | 129.5 | 247.8 | 78.2 |
Aluminium........................................... | 2.4 | |||
Total..................... | 210.00 | 213.00 | 423.00 | 209.00 |
 
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