Elements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy.

  • Davy, Humphry, Sir, 1778-1829.
Date:
1813
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Licence: Public Domain Mark

Credit: Elements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy. Source: Wellcome Collection.

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    CONTENTS. LECTURE I. page Introduction. General Views of the Objects of the Course., and of the order in which they are to be discussed 3 LECTURE II. Of the general Powers of Matter which influence Vegetation; of Gravita- tion, of Cohesion, of Chemical Attraction, of Heat, of Light, of Electricity, ponderable Substances, Elements of Matter, particularly those found in Vegetables, Laws of their Combinations and Arrangements 28 LECTURE III. On the Organization of Plants. Of the Roots, Trunk, and Branches; of their Structure. Of the Epidermis. Of the cortical and alburnous Parts of Leaves, Flowers, and Seeds. Of the chemical Constitution of the Organs of Plants, and the Substances found in them. Of mucilaginous, saccha- rine, extractive, resinous, and oily Substances, and other vegetable Com- pounds, their Arrangements in the Organs of Plants, their Composition, Changes, and Uses - ----- 49 LECTURE IV. On Soils: their constituent Parts. On the Analysis of Soils. Of the Uses of the Soil. Of the Rocks and Strata found beneath Soils. Of the Improvement of Soils ----- 134 LECTURE V. On the Nature and Constitution of the Atmosphere, and its Influence on Vegetables. Of the Germination of Seeds. Of the Functions of Plants in their different Stages of Growth ; with a general View of the Progress of Vegetation ------- 180