. Elements of agriculture, southern and western. Agriculture; Agriculture. THE MAKING OF THE SOIL IS farther north the finest soil settled and made a silt or clay soil. Sedentary Soils. — While much soil has been trans- ported from where it was first made from rock, much of the earth's surface is covered by soil made from the rock. Fig. 5. — Trees assist in breaking Rock lying just under the surface. The soil of much of the black prairie land of Texas and other Southern States was formed in this way. The lime rock is only a few feet under the surface. White, grayish, or blue lime rock powdered
. Elements of agriculture, southern and western. Agriculture; Agriculture. THE MAKING OF THE SOIL IS farther north the finest soil settled and made a silt or clay soil. Sedentary Soils. — While much soil has been trans- ported from where it was first made from rock, much of the earth's surface is covered by soil made from the rock. Fig. 5. — Trees assist in breaking Rock lying just under the surface. The soil of much of the black prairie land of Texas and other Southern States was formed in this way. The lime rock is only a few feet under the surface. White, grayish, or blue lime rock powdered up and mixed with humus, or rotting vegetable matter, always turns black. These soils, lying where they were formed, are sometimes called sedentary soils. Those moved by ice and water and wind are called transported Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Welborn, W. C; Ness, H; Sanborn, Charles Emerson, 1877-; Marstellar, R. P. New York, The Macmillan company
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