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A Treatise, Shewing The Intimate Connection That Subsists Between Agriculture And Chemistry : Addressed To The Cultivators Of The Soil, To The Proprietors Of Fens And Mosses, In Great Britain And Ireland; And To The Proprietors Of West India Estates / By The Earl Of Dundonald
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AGRICULTURE WITH CHEMISTRY. 29

The insoluble matters consist of phosphoric, soreline,

or vegetable acid, combined with lime, or calcareous.

matter.

These last mentioned substances may likewise be pro- duced from vegetables which have not undergone the putrefactive process, by the tendency which pure air, vital air, or oxygen, has to. combine with such like, and

all other inflammable substances; a process here called OXYGENATION.

By the combination of pure air with inflammable sub- stances, particular acids are formed, with the peculiar bases of those acids contained in inflammable substances. The acids, as they are formed, combine either with the calcareous matter of the vegetables, or with other cal- careous matter in the soil, forming salts, which for the

most part are very insoluble.

The process of putrefaction is always accompanied by that of oxygenation: but oxygenation may be, and is to

a great extent, independent of putrefaction.

 
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