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.

    94/122 (page 90)
    [ 9° ] A Soil, if it have all the Properties of a rich one, may have thele counterafted by its contain- ing poifonous Subftances, which are, Firft, Metallic Salts, or Pyrites. Secondly, Salts containing Earth of Allum, (or Pyrites.) Thirdly, Acids uncombined. Fourthly, Any other Salt in too large a Pro- portion. The firft, fecond and third may be destroyed by Quick Lime; the fourth is got the better of by Time, and the walking the Soil with Water, by the Rains, unlefs there be a frefh Supply from Springs. The Advantages of draining a Soil, are the preventing the Water from Rotting the Seeds. Rotting the Roots, efpecially at the Time of flowering. Taking off the Effefts of the Mucilage by too great Dilution. The Advantages of Fallowing are. The Convertion of the Vegetable Fibres into Mucilage, by deftroying their Life, and expofing them to the Air,