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Water Relations and Water use Patterns for Artemisia Tridentata Nutt. In Wet and Dry Years

Citation

Campbell, Gaylon S, and Harris, Grant A, Water Relations and Water use Patterns for Artemisia Tridentata Nutt. In Wet and Dry Years: .

Summary

Plant H"2O relations and soil moisture depletion and recharge were followed in a stand of Artemisia tridentata near Washtucna, Washington during 1973 and 1974. Precipitation during the 1972-73 recharge season was 14.5 cm, 11 cm below normal. The 1973-74 precipitation was 35.7 cm, or 10 cm above normal. The 2 yr were therefore ideal for comparing plant behavior on wet vs. dry years. Soil moisture was depleted to around -70 bars in 1973 and -60 bars in 1974 to depths of 2.5 m. Leaf H"2O potentials were -10 bars in the spring and decreased to -50 to -60 bars in the summer of 1973. In 1974, summer leaf H"2O potential was -30 bars. Osmotic potentials were around -20 bars in the spring of 1973 and throughout the spring and summer of 1974. [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:08:31 MDT 2012

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Title Citation Water Relations and Water use Patterns for Artemisia Tridentata Nutt. In Wet and Dry Years

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