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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 XXII.
     ALKALI SOILS, THEIR NATURE AND COMPOSITION, 422.—Alkali
        Lands _vs._ Seashore Lands, 422.—Origin, 422.—Deficient
        Rainfall, 423.—Predominant Salts, 423.—Geographical
        Distribution, 424.—Their Utilization of World-wide
        Importance, 424.—Repellent Aspect, Plate, 424.—Effects
        of Alkali upon Culture Plants. Figures of Apricot Trees,
        426.—Nature of the Injury, External and Internal,
        426.—Effects of Irrigation, 428.—Leaky Irrigation Ditches,
        429.—Surface and Substrata of Alkali Lands, 429.—Vertical
        Distribution of the Salts in Alkali Soils, 429.—How
        Native Plants Live, 430.—Figures of various Phases of
        Reclamation, 431.—Upward Translocation from Irrigation,
        433.—Distribution of Alkali in Sandy Lands, 433.—In Heavier
        Lands, 436.—Salton Basin or Colorado Delta, 436.—Diagram of
        Alkali Distribution in Same, 438.—Horizontal Distribution
        of Alkali Salts in Arid Lands, 439.—Alkali in Hill
        Lands, 439.—Usar Lands of India, 440.—“Szek” Lands of
        Hungary, 440.—Alkali Lands of Turkestan, 441.—_Composition
        and Quantity of Salts Present_, 441.—Nutritive Salts,
        441.—Black and White Alkali. Tables, 442.—Estimation of
        Total Alkali in Land, 444.—_Composition of Alkali Soils
        as a whole._ Tables, 445.—Presence of much Carbonate
        of Soda, 448.—Cross Section of an Alkali Spot. Table,
        448.—_Reactions between the Carbonates and Sulfates of
        Earths and Alkalies._ Figure of Curve, 449.—Inverse
        Ratios of Alkali Sulfates and Carbonates. Diagrams,
        451.—Exceptional Conditions, 453.—Summary of Conclusions,
        453.

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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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