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Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions — John Shaqi

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regionsHilgard, Eugene W. (Eugene Woldemar)

Science

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions

Name: Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions
Author: Hilgard, Eugene W. (Eugene Woldemar)

Hilgard, Eugene W. (Eugene Woldemar)

Soils

CHAPTER II.
     CHEMICAL PROCESSES OF SOIL FORMATION, 16.—2. _Chemical
        Disintegrations or Decomposition_, 16.—Ingredients of
        the Atmosphere, 16.—Effects of Water; of Carbonic Acid,
        17.—Carbonated water a universal solvent, 17.—Ammonic
        carbonate, effect on silicates, 18.—Action of oxygen;
        on ferrous compounds, 18.—_Action of Plants and their
        Remnants_, 19.—_A._ Mechanical; Force of Root Penetration,
        19.—_B._ Chemical; Action of Root Secretions, 19.—Bacterial
        Action, 20.—Humification, 20.—_Causes Influencing Chemical
        Action and Decomposition_, 21.—Heat and Moisture,
        21.—Influence of Rainfall on Soil-Formation, 22.—Leaching
        of the Land, 22.—Residual Soils, 22.—Drain Waters; River
        Waters. Tables of Solid Contents, 22.—Amount of Dissolved
        Matters Carried into the Sea; Amount of Sediment, 24.—Sea
        Water, Composition of; Waters of Landlocked Lakes,
        25.—Results of Insufficient Rainfall; Alkali Lands, 28.

                             CHAPTER III.
    ROCK-AND SOIL-FORMING MINERALS, 29.—Quartz, quartzite,
        jasper, hornstone, flint, 29.—Solubility of silica in
        water; absorption by plants, 30.—Silicate Minerals,
        31.—Feldspars, their Kaolinization, 31.—Formation of Clays,
        33.—Hornblende or Amphibole, Pyroxene or Augite, 33.—Their
        Weathering and its Products, 33.—Mica, Muscovite and
        Biotite, 35.—Hydromica, Chlorite, 35.—Talc and Serpentine;
        “Soapstone”, 36. The Zeolites; Exchange of Bases in
        Solutions, 36.—Importance in Soils, in Rocks, 38.—Calcite,
        Marble, Limestones; their Origin, 39.—Impure Limestones
        as Soil-Formers, 40.—Caves, Sinkholes, Stalactites, Tufa,
        41.—Dolomite; Magnesian Limestones as Soil-Formers,
        42.—Selenite, Gypsum, Land Plaster; Agricultural Uses,
        42.—Iron Spar, Limonite, Hematite, Magnetite, 44.—Reduction
        of Ferric Hydrate in Ill-drained Soils, 45.

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Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions

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