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

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PLAN OF THE EXPERIMENTS. 9 A series of beakers with paraffin partitions was made ready for an experiment by rinsing the beakers with water of known resistance, which was poured from one beaker into the next until it had passed through all. This process was repeated until the resistance of the waste water when poured from the last beaker was no lower than at the start.
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Fig. 2.—Seedlings of culture 6, experiment C. The solutions for each series of cultures were always made from the same supply of distilled water, by diluting stock solutions of tenth molecular concentration. For measuring, flasks of Jena glass were used; for storing water, use was made of glass bottles which had been long in service and were very insoluble. At the outset of the work it was found that peas grew well in water from an automatic laboratory still which discharged into a glass container. Comparative experi- 9427°—Bui. 231—12 2

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