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Science 26 October 1962:
Vol. 138. no. 3539, pp. 522 - 523
DOI: 10.1126/science.138.3539.522
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Articles

Impedance to Water Movement in Soil and Plant

W. R. Gardner 1 and C. F. Ehlig 1

1 Salinity Laboratory, U.S. Agricultural Research Service, Riverside, California

The total impedance to water movement from the soil into the plant was compared with that predicted for the soil alone. When soil suction was below 0.6 bar, the impedance was largely in the plant. When suction was greater than 1 or 2 bars, the soil became the limiting factor. Water movement to the plant roots takes place primarily in the liquid phase.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Lower Limit of Water Availability to Plants.
W. R. Gardner and R. H. Nieman (1964)
Science 143, 1460-1462
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Science. ISSN 0036-8075 (print), 1095-9203 (online)