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Excerpt from The Canaigre or Tanners Doc, And, Australian Salt Bush for Alkali Soils
This analysis shows that the chief ingredient of the alkali is sodium sulphate or Glauber's salt, still, sodium carbonate (black alkali) forms nearly 30 per cent. Of the alkali salts and more than one half of one per cent. Of the soil.
In column I, of Table VI, below, are given the amounts, in pounds per acre, of alkali salts in the crude ash of a crop of the salt bush, estimating the yield at five tons per acre. In column II, the number of pounds of the salts as they occur in the soil; assuming an acre one foot deep to weigh four million pounds. Column III expresses the percentage of the total quantity in the soil, which is extracted by the salt bush.
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