Bean Plant in Jar

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“The bean with its roots in unboiled water will grow for a considerable time, as long as the mineral matter in the water will provide it with food materials. The roots of the plant in the boiled water will quickly die and the whole plant will then wither, because the roots no longer send the water up to the leaves.” — Ritchie, 1918


Plant Growth


John W. Ritchie Primer of Physiology (New York: World Book Company, 1918) 53


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