Elements of agriculture and vegetation. To which is added, an appendix, for the use of practical farmers / [George Fordyce].

  • George Fordyce
Date:
1796
Catalogue details

Licence: Public Domain Mark

Credit: Elements of agriculture and vegetation. To which is added, an appendix, for the use of practical farmers / [George Fordyce]. Source: Wellcome Collection.

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    found in Soils are. Their PROPERTIES. It is either free from Gas, or fixed Air, when it is called Cauftic; or Combined with Gas, or fixed Air, when it is called Mild. In both Cafes it unites with Firft, Vitriolic Acid, forming Vitriolated Tartar. Secondly, Nitrous Acid, forming Common Nitre. Thirdly, Muriatic Acid, forming Digeflive Salt of Sylvius. It attra&s Water from the Air. When Cauftic, it difiolves Firft, Oil, forming Soap. Secondly, Animal and Vegetable Subftances, forming a Soap. Both Mild and Cauftic, it attracts Acids ftronger than Volatile Alkali, Metals, or Earths.