. Elements of forestry. Forests and forestry. SILVICS 5* of vegetable growth on top of the mineral soil, because on the effect of both together depends the reaction of the tree to the site. The component parts of forest soil may be described as follows:. Fig. 8. — Vertical Section of Forest Soil near Washington, D. C. Forest floor, humus, masses of superficial fibrous roots and soil proper are all shown. The " forest floor " lies on the top of the mineral soil in three distinct layers. The upper layer consists of the recently fallen leaves with little or no change in structure. Benea
. Elements of forestry. Forests and forestry. SILVICS 5* of vegetable growth on top of the mineral soil, because on the effect of both together depends the reaction of the tree to the site. The component parts of forest soil may be described as follows:. Fig. 8. — Vertical Section of Forest Soil near Washington, D. C. Forest floor, humus, masses of superficial fibrous roots and soil proper are all shown. The " forest floor " lies on the top of the mineral soil in three distinct layers. The upper layer consists of the recently fallen leaves with little or no change in structure. Beneath this we find partly decomposed matter, the leaves still showing traces of their original structure; and directly on top of the mineral soil is the humus proper. It is black. 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 Moon, Frederick Franklin, 1880-1929; Brown, Nelson Courtlandt, 1885-. New York J. Wiley
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
