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Absorption and excretion of salts by roots, as influenced by concentration and composition of culture solutions (1912) (16562045277)

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Absorption and excretion of salts by roots, as influenced by concentration and composition of culture solutions (1912) (16562045277)

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Title: Absorption and excretion of salts by roots, as influenced by concentration and composition of culture solutions
Identifier: absorptionexcret231true (find matches)
Year: 1912 (1910s)
Authors: True, Rodney H. (Rodney Howard), 1866-1940; Bartlett, Harley Harris, 1886-1960; United States. Bureau of Plant Industry
Subjects: Roots (Botany); Peas
Publisher: Washington, D. C. : Government Printing Office
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library



Text Appearing Before Image:
RECOED OF THE EXPERIMENTS. 15 No. 1 (- 1^ Mg(X03)o). Primary roots alive; laterals noue. No. 2 (^rp; Mg(X03)2). Primary roots dead; solution discolored. Xos. 3 (5-^Mg(X03,U+Jj5Ca(X03y to 12 (J^XC^).^ Ca(X03)2). Root system finely developed; laterals long and flexuous. Xo. 13 (^QCa(X03)2). Roots as in Xos. 2 to 12. Xo. 14 (distilled water). Root system well developed; laterals rigid, divaricate, and thicker than in Xos. 3 to 13.
Text Appearing After Image:
Fig. 8.—Seedlings of culture 14, experiment C. The solutions of this series were made up with triple-distilled water (water from the laboratory still redistilled from alkaline and then from acid KMnOJ. Significant points to be noted are (1) that -z-^ Mg(X03)2 is extremely toxic, and (2) that the substitution of calcium for one-tenth of the magnesium in an -^ solution makes it as good a 231

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1912
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U.S. Department of Agriculture, National Agricultural Library
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absorption and excretion of salts by roots as influenced by concentration and composition of culture solutions 1912
absorption and excretion of salts by roots as influenced by concentration and composition of culture solutions 1912